Star System Generated (Seed: 1766532223)

Star Details

Spectral Class: M5V

Temperature: 3,050 K

Mass: 0.3 sol

Luminosity: 0.01 lux

Habitable Zone (HZ)

Inner Boundary: 0.1 AU

Outer Boundary: 0.14 AU

Physical Limits

Snow Line: 0.48 AU

Max System Radius: 11 AU

Planetary System (6 Planets)

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.5

Radius: 11.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.62 AU - 0.84 AU

Year: 416 Days

Day: 11.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.3 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (36)

Outer Limit: 65,871,937 km

  • M1: 148,700 km (0.07 R)
  • M2: 236,065 km (0.071 R)
  • M3: 319,840 km (0.078 R)
  • M4: 394,490 km (0.099 R)
  • M5: 491,728 km (0.098 R)
  • M6: 656,435 km (0.063 R)
  • M7: 816,356 km (0.078 R)
  • M8: 910,901 km (0.106 R)
  • M9: 994,078 km (0.111 R)
  • M10: 1,107,922 km (0.094 R)
  • M11: 1,185,264 km (0.082 R)
  • M12: 1,277,117 km (0.109 R)
  • M13: 1,432,848 km (0.101 R)
  • M14: 1,595,312 km (0.033 R)
  • M15: 1,836,015 km (0.104 R)
  • M16: 1,928,915 km (0.096 R)
  • M17: 2,003,265 km (0.099 R)
  • M18: 2,088,835 km (0.09 R)
  • M19: 2,165,429 km (0.096 R)
  • M20: 2,253,393 km (0.058 R)
  • M21: 2,374,417 km (0.105 R)
  • M22: 2,551,840 km (0.106 R)
  • M23: 2,672,716 km (0.095 R)
  • M24: 2,750,656 km (0.08 R)
  • M25: 2,886,042 km (0.115 R)
  • M26: 3,046,860 km (0.105 R)
  • M27: 3,175,364 km (0.102 R)
  • M28: 3,323,616 km (0.081 R)
  • M29: 3,461,994 km (0.115 R)
  • M30: 3,577,783 km (0.097 R)
  • M31: 3,664,101 km (0.065 R)
  • M32: 3,775,850 km (0.092 R)
  • M33: 3,870,097 km (0.097 R)
  • M34: 4,118,429 km (0.063 R)
  • M35: 4,254,414 km (0.096 R)
  • M36: 4,352,550 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.4

Radius: 14.3

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.19 AU - 1.99 AU

Year: 1337 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (53)

Outer Limit: 65,871,937 km

  • M1: 198,666 km (0.099 R)
  • M2: 340,634 km (0.103 R)
  • M3: 469,737 km (0.084 R)
  • M4: 600,336 km (0.081 R)
  • M5: 717,023 km (0.077 R)
  • M6: 848,968 km (0.085 R)
  • M7: 944,262 km (0.082 R)
  • M8: 1,057,358 km (0.068 R)
  • M9: 1,210,995 km (0.113 R)
  • M10: 1,335,460 km (0.104 R)
  • M11: 1,550,283 km (0.09 R)
  • M12: 1,686,417 km (0.082 R)
  • M13: 1,776,924 km (0.114 R)
  • M14: 1,997,431 km (0.115 R)
  • M15: 2,102,448 km (0.105 R)
  • M16: 2,428,871 km (0.119 R)
  • M17: 2,674,960 km (0.106 R)
  • M18: 2,830,541 km (0.039 R)
  • M19: 2,939,449 km (0.097 R)
  • M20: 3,326,309 km (0.066 R)
  • M21: 3,451,971 km (0.069 R)
  • M22: 3,686,540 km (0.034 R)
  • M23: 3,893,434 km (0.117 R)
  • M24: 4,273,413 km (0.097 R)
  • M25: 4,537,303 km (0.109 R)
  • M26: 4,747,638 km (0.041 R)
  • M27: 4,865,970 km (0.115 R)
  • M28: 5,105,476 km (0.086 R)
  • M29: 5,214,683 km (0.11 R)
  • M30: 5,521,807 km (0.104 R)
  • M31: 5,771,935 km (0.107 R)
  • M32: 6,025,802 km (0.101 R)
  • M33: 6,205,768 km (0.111 R)
  • M34: 6,322,305 km (0.12 R)
  • M35: 6,492,099 km (0.083 R)
  • M36: 6,650,224 km (0.073 R)
  • M37: 6,769,603 km (0.071 R)
  • M38: 6,876,266 km (0.05 R)
  • M39: 7,186,383 km (0.027 R)
  • M40: 7,281,676 km (0.088 R)
  • M41: 7,391,032 km (0.109 R)
  • M42: 7,625,452 km (0.102 R)
  • M43: 7,722,691 km (0.1 R)
  • M44: 7,820,378 km (0.116 R)
  • M45: 7,946,489 km (0.025 R)
  • M46: 8,101,622 km (0.082 R)
  • M47: 8,243,591 km (0.097 R)
  • M48: 8,457,964 km (0.1 R)
  • M49: 8,573,155 km (0.102 R)
  • M50: 9,364,079 km (0.032 R)
  • M51: 9,453,389 km (0.05 R)
  • M52: 10,101,895 km (0.096 R)
  • M53: 10,393,162 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 10.9

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.05 AU - 3.09 AU

Year: 2747 Days

Day: 9.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (78)

Outer Limit: 65,871,937 km

  • M1: 141,220 km (0.101 R)
  • M2: 276,008 km (0.113 R)
  • M3: 378,632 km (0.119 R)
  • M4: 473,178 km (0.074 R)
  • M5: 568,472 km (0.09 R)
  • M6: 720,613 km (0.109 R)
  • M7: 791,822 km (0.092 R)
  • M8: 876,344 km (0.089 R)
  • M9: 1,032,375 km (0.088 R)
  • M10: 1,398,590 km (0.093 R)
  • M11: 1,583,344 km (0.117 R)
  • M12: 1,776,176 km (0.063 R)
  • M13: 1,918,742 km (0.102 R)
  • M14: 2,292,288 km (0.114 R)
  • M15: 2,416,604 km (0.092 R)
  • M16: 2,511,449 km (0.078 R)
  • M17: 2,672,267 km (0.096 R)
  • M18: 2,853,280 km (0.091 R)
  • M19: 3,038,333 km (0.088 R)
  • M20: 3,349,796 km (0.063 R)
  • M21: 3,910,488 km (0.045 R)
  • M22: 4,442,010 km (0.066 R)
  • M23: 4,716,372 km (0.1 R)
  • M24: 4,835,751 km (0.099 R)
  • M25: 5,158,883 km (0.04 R)
  • M26: 5,699,080 km (0.053 R)
  • M27: 6,105,239 km (0.109 R)
  • M28: 6,235,538 km (0.116 R)
  • M29: 6,410,718 km (0.026 R)
  • M30: 6,810,593 km (0.081 R)
  • M31: 7,059,075 km (0.066 R)
  • M32: 7,472,114 km (0.099 R)
  • M33: 7,635,027 km (0.087 R)
  • M34: 7,893,083 km (0.076 R)
  • M35: 8,297,895 km (0.073 R)
  • M36: 8,539,046 km (0.114 R)
  • M37: 8,807,126 km (0.097 R)
  • M38: 9,401,628 km (0.088 R)
  • M39: 9,678,384 km (0.059 R)
  • M40: 9,805,243 km (0.064 R)
  • M41: 10,240,273 km (0.094 R)
  • M42: 10,343,496 km (0.118 R)
  • M43: 10,499,078 km (0.084 R)
  • M44: 10,629,378 km (0.097 R)
  • M45: 11,102,705 km (0.083 R)
  • M46: 11,235,398 km (0.108 R)
  • M47: 11,961,247 km (0.118 R)
  • M48: 12,179,211 km (0.078 R)
  • M49: 12,316,093 km (0.057 R)
  • M50: 12,398,522 km (0.068 R)
  • M51: 12,563,828 km (0.107 R)
  • M52: 13,204,406 km (0.083 R)
  • M53: 13,486,248 km (0.109 R)
  • M54: 13,970,048 km (0.111 R)
  • M55: 14,084,640 km (0.049 R)
  • M56: 14,199,680 km (0.102 R)
  • M57: 14,604,492 km (0.043 R)
  • M58: 14,954,551 km (0.077 R)
  • M59: 15,396,014 km (0.047 R)
  • M60: 15,484,876 km (0.057 R)
  • M61: 15,603,507 km (0.072 R)
  • M62: 15,752,207 km (0.092 R)
  • M63: 16,021,334 km (0.097 R)
  • M64: 16,291,807 km (0.112 R)
  • M65: 16,594,144 km (0.094 R)
  • M66: 16,685,249 km (0.106 R)
  • M67: 17,204,503 km (0.085 R)
  • M68: 17,636,093 km (0.113 R)
  • M69: 17,759,960 km (0.098 R)
  • M70: 18,227,453 km (0.107 R)
  • M71: 18,793,831 km (0.093 R)
  • M72: 20,169,982 km (0.056 R)
  • M73: 20,397,071 km (0.068 R)
  • M74: 20,886,705 km (0.08 R)
  • M75: 21,943,913 km (0.107 R)
  • M76: 22,311,326 km (0.105 R)
  • M77: 22,412,005 km (0.095 R)
  • M78: 22,512,684 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.4

Radius: 10.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.58 AU - 3.46 AU

Year: 3500 Days

Day: 15 Hours

Environment

Temp: -214 °C

Axial Tilt: 106.8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (75)

Outer Limit: 65,871,937 km

  • M1: 161,715 km (0.118 R)
  • M2: 337,942 km (0.077 R)
  • M3: 428,299 km (0.032 R)
  • M4: 564,882 km (0.091 R)
  • M5: 658,829 km (0.101 R)
  • M6: 779,255 km (0.119 R)
  • M7: 1,020,706 km (0.119 R)
  • M8: 1,102,686 km (0.076 R)
  • M9: 1,187,059 km (0.078 R)
  • M10: 1,273,826 km (0.086 R)
  • M11: 1,375,702 km (0.092 R)
  • M12: 1,507,199 km (0.097 R)
  • M13: 1,840,054 km (0.1 R)
  • M14: 2,045,003 km (0.054 R)
  • M15: 2,272,990 km (0.102 R)
  • M16: 2,655,362 km (0.108 R)
  • M17: 3,462,293 km (0.084 R)
  • M18: 3,570,602 km (0.116 R)
  • M19: 3,753,560 km (0.081 R)
  • M20: 3,977,359 km (0.104 R)
  • M21: 4,052,906 km (0.071 R)
  • M22: 4,282,538 km (0.062 R)
  • M23: 4,418,523 km (0.086 R)
  • M24: 4,496,912 km (0.115 R)
  • M25: 4,875,395 km (0.101 R)
  • M26: 5,599,598 km (0.079 R)
  • M27: 5,855,709 km (0.033 R)
  • M28: 6,006,953 km (0.084 R)
  • M29: 6,357,461 km (0.119 R)
  • M30: 6,557,473 km (0.093 R)
  • M31: 6,714,551 km (0.079 R)
  • M32: 7,055,484 km (0.028 R)
  • M33: 7,309,053 km (0.117 R)
  • M34: 8,426,100 km (0.114 R)
  • M35: 8,621,624 km (0.066 R)
  • M36: 8,793,812 km (0.076 R)
  • M37: 9,292,272 km (0.115 R)
  • M38: 9,621,237 km (0.047 R)
  • M39: 10,160,837 km (0.077 R)
  • M40: 10,578,514 km (0.102 R)
  • M41: 10,815,926 km (0.12 R)
  • M42: 11,135,168 km (0.112 R)
  • M43: 11,349,841 km (0.115 R)
  • M44: 12,304,874 km (0.076 R)
  • M45: 12,638,327 km (0.061 R)
  • M46: 12,778,052 km (0.099 R)
  • M47: 12,862,275 km (0.025 R)
  • M48: 13,342,484 km (0.114 R)
  • M49: 13,427,755 km (0.112 R)
  • M50: 13,742,360 km (0.118 R)
  • M51: 13,828,528 km (0.045 R)
  • M52: 14,117,252 km (0.102 R)
  • M53: 14,262,362 km (0.038 R)
  • M54: 14,995,242 km (0.098 R)
  • M55: 15,232,354 km (0.074 R)
  • M56: 15,321,515 km (0.087 R)
  • M57: 15,590,342 km (0.098 R)
  • M58: 15,830,596 km (0.109 R)
  • M59: 15,920,953 km (0.054 R)
  • M60: 16,345,213 km (0.08 R)
  • M61: 16,650,393 km (0.057 R)
  • M62: 17,984,506 km (0.101 R)
  • M63: 18,394,554 km (0.099 R)
  • M64: 18,999,378 km (0.09 R)
  • M65: 20,065,562 km (0.078 R)
  • M66: 20,261,386 km (0.098 R)
  • M67: 20,589,305 km (0.105 R)
  • M68: 20,786,923 km (0.072 R)
  • M69: 20,886,107 km (0.113 R)
  • M70: 21,550,321 km (0.11 R)
  • M71: 21,650,701 km (0.098 R)
  • M72: 21,851,611 km (0.091 R)
  • M73: 22,086,929 km (0.058 R)
  • M74: 22,627,725 km (0.087 R)
  • M75: 22,729,601 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.9

Radius: 12.3

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.01 AU - 3.91 AU

Year: 4292 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.1 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (68)

Outer Limit: 65,871,937 km

  • M1: 154,684 km (0.11 R)
  • M2: 275,110 km (0.062 R)
  • M3: 357,988 km (0.104 R)
  • M4: 475,871 km (0.086 R)
  • M5: 679,174 km (0.117 R)
  • M6: 769,232 km (0.072 R)
  • M7: 1,035,068 km (0.043 R)
  • M8: 1,206,806 km (0.116 R)
  • M9: 1,543,252 km (0.061 R)
  • M10: 1,805,347 km (0.045 R)
  • M11: 2,123,093 km (0.094 R)
  • M12: 2,302,760 km (0.096 R)
  • M13: 2,473,152 km (0.066 R)
  • M14: 2,736,743 km (0.118 R)
  • M15: 3,102,660 km (0.112 R)
  • M16: 3,371,338 km (0.095 R)
  • M17: 3,468,127 km (0.112 R)
  • M18: 3,614,883 km (0.075 R)
  • M19: 3,864,412 km (0.093 R)
  • M20: 3,965,690 km (0.046 R)
  • M21: 4,345,070 km (0.111 R)
  • M22: 4,433,034 km (0.116 R)
  • M23: 5,325,684 km (0.09 R)
  • M24: 5,514,626 km (0.116 R)
  • M25: 5,610,070 km (0.099 R)
  • M26: 5,783,005 km (0.109 R)
  • M27: 5,860,497 km (0.106 R)
  • M28: 6,654,412 km (0.095 R)
  • M29: 6,817,325 km (0.102 R)
  • M30: 6,960,939 km (0.117 R)
  • M31: 7,064,161 km (0.093 R)
  • M32: 7,188,626 km (0.099 R)
  • M33: 7,545,417 km (0.112 R)
  • M34: 7,672,725 km (0.108 R)
  • M35: 7,908,043 km (0.06 R)
  • M36: 8,254,661 km (0.117 R)
  • M37: 8,739,358 km (0.12 R)
  • M38: 8,873,248 km (0.114 R)
  • M39: 9,007,737 km (0.043 R)
  • M40: 9,142,823 km (0.105 R)
  • M41: 9,736,577 km (0.092 R)
  • M42: 10,389,722 km (0.049 R)
  • M43: 10,697,893 km (0.079 R)
  • M44: 10,985,121 km (0.04 R)
  • M45: 11,347,597 km (0.079 R)
  • M46: 11,469,370 km (0.053 R)
  • M47: 11,665,044 km (0.025 R)
  • M48: 12,010,166 km (0.085 R)
  • M49: 12,584,472 km (0.116 R)
  • M50: 13,167,605 km (0.11 R)
  • M51: 13,269,930 km (0.12 R)
  • M52: 14,360,648 km (0.105 R)
  • M53: 15,023,366 km (0.12 R)
  • M54: 15,533,794 km (0.075 R)
  • M55: 15,614,876 km (0.104 R)
  • M56: 15,750,412 km (0.097 R)
  • M57: 15,886,396 km (0.12 R)
  • M58: 16,378,872 km (0.11 R)
  • M59: 16,461,450 km (0.094 R)
  • M60: 16,654,581 km (0.06 R)
  • M61: 16,737,758 km (0.081 R)
  • M62: 17,127,011 km (0.073 R)
  • M63: 17,632,054 km (0.096 R)
  • M64: 17,744,851 km (0.115 R)
  • M65: 18,255,877 km (0.034 R)
  • M66: 19,263,419 km (0.119 R)
  • M67: 19,408,828 km (0.11 R)
  • M68: 19,554,536 km (0.031 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.5

Radius: 3.7

Gravity: 64.97 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.42 AU - 7.9 AU

Year: 14138 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (96)

Outer Limit: 65,871,937 km

  • M1: 56,847 km (0.04 R)
  • M2: 93,050 km (0.066 R)
  • M3: 204,949 km (0.119 R)
  • M4: 354,397 km (0.113 R)
  • M5: 716,723 km (0.111 R)
  • M6: 759,957 km (0.117 R)
  • M7: 872,006 km (0.117 R)
  • M8: 1,062,294 km (0.113 R)
  • M9: 1,425,219 km (0.118 R)
  • M10: 1,764,357 km (0.093 R)
  • M11: 1,912,908 km (0.092 R)
  • M12: 2,034,681 km (0.1 R)
  • M13: 2,782,371 km (0.039 R)
  • M14: 3,274,847 km (0.031 R)
  • M15: 3,457,356 km (0.097 R)
  • M16: 4,417,775 km (0.045 R)
  • M17: 4,700,664 km (0.116 R)
  • M18: 4,741,654 km (0.034 R)
  • M19: 4,823,783 km (0.091 R)
  • M20: 4,947,800 km (0.074 R)
  • M21: 5,241,461 km (0.064 R)
  • M22: 5,757,872 km (0.11 R)
  • M23: 5,801,705 km (0.1 R)
  • M24: 6,654,113 km (0.086 R)
  • M25: 7,449,376 km (0.1 R)
  • M26: 7,497,097 km (0.106 R)
  • M27: 7,737,202 km (0.112 R)
  • M28: 8,274,258 km (0.115 R)
  • M29: 8,323,626 km (0.064 R)
  • M30: 9,538,809 km (0.098 R)
  • M31: 10,272,886 km (0.051 R)
  • M32: 10,325,993 km (0.072 R)
  • M33: 10,485,913 km (0.115 R)
  • M34: 10,700,436 km (0.077 R)
  • M35: 11,739,095 km (0.099 R)
  • M36: 13,153,842 km (0.108 R)
  • M37: 13,269,331 km (0.119 R)
  • M38: 13,910,508 km (0.091 R)
  • M39: 13,969,300 km (0.038 R)
  • M40: 14,028,092 km (0.075 R)
  • M41: 14,681,086 km (0.083 R)
  • M42: 14,740,925 km (0.075 R)
  • M43: 15,041,468 km (0.103 R)
  • M44: 15,343,954 km (0.096 R)
  • M45: 15,770,907 km (0.038 R)
  • M46: 16,949,289 km (0.073 R)
  • M47: 17,327,173 km (0.035 R)
  • M48: 18,671,759 km (0.078 R)
  • M49: 20,049,406 km (0.111 R)
  • M50: 20,918,569 km (0.092 R)
  • M51: 21,120,975 km (0.118 R)
  • M52: 21,527,433 km (0.041 R)
  • M53: 24,871,843 km (0.103 R)
  • M54: 25,229,382 km (0.097 R)
  • M55: 25,516,610 km (0.025 R)
  • M56: 25,660,672 km (0.108 R)
  • M57: 25,732,779 km (0.107 R)
  • M58: 25,877,140 km (0.096 R)
  • M59: 26,749,446 km (0.089 R)
  • M60: 28,299,130 km (0.102 R)
  • M61: 28,448,129 km (0.113 R)
  • M62: 29,423,657 km (0.057 R)
  • M63: 30,029,379 km (0.07 R)
  • M64: 31,561,560 km (0.086 R)
  • M65: 31,870,929 km (0.046 R)
  • M66: 32,026,062 km (0.036 R)
  • M67: 32,415,016 km (0.048 R)
  • M68: 33,748,831 km (0.094 R)
  • M69: 33,986,093 km (0.097 R)
  • M70: 35,260,817 km (0.068 R)
  • M71: 35,581,854 km (0.056 R)
  • M72: 36,388,934 km (0.082 R)
  • M73: 38,432,591 km (0.106 R)
  • M74: 40,345,499 km (0.117 R)
  • M75: 43,315,315 km (0.082 R)
  • M76: 44,349,635 km (0.112 R)
  • M77: 44,869,787 km (0.119 R)
  • M78: 44,956,703 km (0.101 R)
  • M79: 46,794,364 km (0.052 R)
  • M80: 47,147,265 km (0.028 R)
  • M81: 47,766,750 km (0.102 R)
  • M82: 48,122,045 km (0.073 R)
  • M83: 48,478,088 km (0.071 R)
  • M84: 49,731,419 km (0.093 R)
  • M85: 49,821,327 km (0.081 R)
  • M86: 50,814,058 km (0.081 R)
  • M87: 50,904,715 km (0.116 R)
  • M88: 54,293,555 km (0.072 R)
  • M89: 56,155,600 km (0.1 R)
  • M90: 56,906,132 km (0.045 R)
  • M91: 58,797,199 km (0.072 R)
  • M92: 58,892,343 km (0.101 R)
  • M93: 60,229,000 km (0.096 R)
  • M94: 62,640,518 km (0.115 R)
  • M95: 62,932,084 km (0.118 R)
  • M96: 65,674,512 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 18,324 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit