🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.7

Radius: 10.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.7 AU - 1.06 AU

Year: 542 Days

Day: 12.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 44,704,492 km

• M1: 139,724 km (0.092 R)
• M2: 215,870 km (0.114 R)
• M3: 338,690 km (0.096 R)
• M4: 438,920 km (0.111 R)
• M5: 520,451 km (0.093 R)
• M6: 616,343 km (0.098 R)
• M7: 688,449 km (0.079 R)
• M8: 777,460 km (0.111 R)
• M9: 856,448 km (0.085 R)
• M10: 933,640 km (0.069 R)
• M11: 1,033,572 km (0.052 R)
• M12: 1,111,063 km (0.101 R)
• M13: 1,228,647 km (0.106 R)
• M14: 1,361,789 km (0.035 R)
• M15: 1,464,862 km (0.097 R)
• M16: 1,541,157 km (0.059 R)
• M17: 1,612,665 km (0.118 R)
• M18: 1,753,137 km (0.1 R)
• M19: 1,853,368 km (0.108 R)
• M20: 2,013,887 km (0.115 R)
• M21: 2,119,054 km (0.073 R)
• M22: 2,192,506 km (0.092 R)
• M23: 2,314,578 km (0.096 R)
• M24: 2,424,981 km (0.042 R)
• M25: 2,509,055 km (0.061 R)
• M26: 2,644,142 km (0.088 R)
• M27: 2,730,760 km (0.082 R)
• M28: 2,810,944 km (0.104 R)
• M29: 3,094,282 km (0.108 R)
• M30: 3,285,768 km (0.043 R)
• M31: 3,418,162 km (0.101 R)
• M32: 3,728,877 km (0.106 R)
• M33: 3,826,414 km (0.105 R)
• M34: 3,957,761 km (0.097 R)
• M35: 4,040,638 km (0.073 R)
• M36: 4,157,474 km (0.1 R)
• M37: 4,515,313 km (0.052 R)
• M38: 4,610,606 km (0.072 R)
• M39: 4,706,648 km (0.073 R)
• M40: 4,829,917 km (0.072 R)
• M41: 5,206,006 km (0.095 R)
• M42: 5,306,087 km (0.063 R)
• M43: 5,498,919 km (0.093 R)
• M44: 5,647,469 km (0.099 R)
• M45: 5,731,693 km (0.101 R)
• M46: 5,806,791 km (0.088 R)
• M47: 5,901,187 km (0.028 R)
• M48: 5,977,033 km (0.073 R)
• M49: 6,062,903 km (0.072 R)
• M50: 6,149,071 km (0.118 R)
• M51: 6,380,948 km (0.108 R)
• M52: 6,449,164 km (0.108 R)
• M53: 6,576,322 km (0.105 R)
• M54: 6,674,907 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.3

Radius: 11.2

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.15 AU - 1.35 AU

Year: 917 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 44,704,492 km

• M1: 139,575 km (0.104 R)
• M2: 212,878 km (0.116 R)
• M3: 331,210 km (0.083 R)
• M4: 434,881 km (0.115 R)
• M5: 506,838 km (0.095 R)
• M6: 671,096 km (0.106 R)
• M7: 799,301 km (0.058 R)
• M8: 930,050 km (0.062 R)
• M9: 1,109,418 km (0.104 R)
• M10: 1,242,710 km (0.056 R)
• M11: 1,315,115 km (0.071 R)
• M12: 1,411,456 km (0.113 R)
• M13: 1,510,340 km (0.077 R)
• M14: 2,057,569 km (0.083 R)
• M15: 2,153,162 km (0.098 R)
• M16: 2,223,623 km (0.062 R)
• M17: 2,303,807 km (0.101 R)
• M18: 2,375,913 km (0.116 R)
• M19: 2,476,443 km (0.113 R)
• M20: 2,625,143 km (0.1 R)
• M21: 2,961,140 km (0.098 R)
• M22: 3,079,472 km (0.111 R)
• M23: 3,149,185 km (0.085 R)
• M24: 3,229,668 km (0.056 R)
• M25: 3,321,073 km (0.089 R)
• M26: 3,454,514 km (0.087 R)
• M27: 3,600,372 km (0.104 R)
• M28: 3,790,810 km (0.064 R)
• M29: 3,984,689 km (0.106 R)
• M30: 4,060,984 km (0.087 R)
• M31: 4,137,728 km (0.075 R)
• M32: 4,270,570 km (0.079 R)
• M33: 4,449,789 km (0.12 R)
• M34: 4,897,236 km (0.117 R)
• M35: 5,108,767 km (0.076 R)
• M36: 5,419,482 km (0.099 R)
• M37: 5,492,187 km (0.066 R)
• M38: 5,589,425 km (0.072 R)
• M39: 6,147,724 km (0.034 R)
• M40: 6,261,419 km (0.098 R)
• M41: 6,388,727 km (0.118 R)
• M42: 6,671,766 km (0.032 R)
• M43: 6,893,320 km (0.089 R)
• M44: 7,183,690 km (0.074 R)
• M45: 7,330,445 km (0.078 R)
• M46: 7,437,857 km (0.099 R)
• M47: 7,735,706 km (0.119 R)
• M48: 7,831,299 km (0.105 R)
• M49: 8,078,883 km (0.077 R)
• M50: 8,371,198 km (0.105 R)
• M51: 8,652,741 km (0.104 R)
• M52: 8,723,650 km (0.09 R)
• M53: 9,181,869 km (0.095 R)
• M54: 9,370,362 km (0.108 R)
• M55: 9,736,428 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394

Radius: 9.5

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.19 AU - 1.33 AU

Year: 928 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 44,704,492 km

• M1: 121,025 km (0.107 R)
• M2: 197,619 km (0.108 R)
• M3: 276,906 km (0.103 R)
• M4: 504,294 km (0.062 R)
• M5: 590,612 km (0.115 R)
• M6: 652,845 km (0.091 R)
• M7: 795,561 km (0.108 R)
• M8: 870,959 km (0.093 R)
• M9: 1,012,030 km (0.103 R)
• M10: 1,161,029 km (0.088 R)
• M11: 1,369,120 km (0.079 R)
• M12: 1,454,390 km (0.087 R)
• M13: 1,521,410 km (0.066 R)
• M14: 1,637,498 km (0.11 R)
• M15: 1,728,454 km (0.092 R)
• M16: 1,806,843 km (0.031 R)
• M17: 1,915,601 km (0.028 R)
• M18: 1,989,352 km (0.102 R)
• M19: 2,049,042 km (0.1 R)
• M20: 2,155,107 km (0.108 R)
• M21: 2,239,630 km (0.045 R)
• M22: 2,372,622 km (0.09 R)
• M23: 2,564,855 km (0.093 R)
• M24: 2,737,342 km (0.054 R)
• M25: 2,863,004 km (0.108 R)
• M26: 2,973,407 km (0.08 R)
• M27: 3,277,689 km (0.112 R)
• M28: 3,357,724 km (0.111 R)
• M29: 3,537,541 km (0.098 R)
• M30: 3,683,848 km (0.034 R)
• M31: 3,767,024 km (0.034 R)
• M32: 3,944,746 km (0.084 R)
• M33: 4,077,440 km (0.112 R)
• M34: 4,347,314 km (0.118 R)
• M35: 4,484,495 km (0.072 R)
• M36: 5,026,937 km (0.112 R)
• M37: 5,295,615 km (0.055 R)
• M38: 5,410,805 km (0.072 R)
• M39: 5,836,262 km (0.104 R)
• M40: 5,933,500 km (0.091 R)
• M41: 6,031,337 km (0.071 R)
• M42: 6,107,782 km (0.093 R)
• M43: 6,350,130 km (0.08 R)
• M44: 6,427,921 km (0.081 R)
• M45: 6,494,792 km (0.104 R)
• M46: 6,663,239 km (0.033 R)
• M47: 7,199,996 km (0.115 R)
• M48: 7,281,228 km (0.116 R)
• M49: 7,514,750 km (0.044 R)
• M50: 7,608,847 km (0.097 R)
• M51: 7,750,815 km (0.118 R)
• M52: 7,822,173 km (0.114 R)
• M53: 8,001,392 km (0.052 R)
• M54: 8,073,348 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.2

Radius: 11.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.12 AU - 1.64 AU

Year: 1063 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 44,704,492 km

• M1: 162,762 km (0.067 R)
• M2: 271,520 km (0.106 R)
• M3: 574,755 km (0.098 R)
• M4: 654,640 km (0.108 R)
• M5: 763,548 km (0.108 R)
• M6: 846,574 km (0.12 R)
• M7: 974,181 km (0.111 R)
• M8: 1,310,777 km (0.104 R)
• M9: 1,436,588 km (0.078 R)
• M10: 1,734,737 km (0.082 R)
• M11: 1,998,628 km (0.082 R)
• M12: 2,098,709 km (0.116 R)
• M13: 2,275,683 km (0.099 R)
• M14: 2,380,551 km (0.083 R)
• M15: 2,486,915 km (0.078 R)
• M16: 2,575,178 km (0.086 R)
• M17: 2,826,203 km (0.086 R)
• M18: 2,991,060 km (0.079 R)
• M19: 3,276,493 km (0.096 R)
• M20: 3,384,652 km (0.069 R)
• M21: 3,931,282 km (0.119 R)
• M22: 4,069,511 km (0.093 R)
• M23: 4,209,385 km (0.064 R)
• M24: 4,374,541 km (0.057 R)
• M25: 4,833,657 km (0.037 R)
• M26: 5,232,485 km (0.062 R)
• M27: 5,321,047 km (0.068 R)
• M28: 5,603,039 km (0.062 R)
• M29: 5,693,845 km (0.077 R)
• M30: 5,772,084 km (0.032 R)
• M31: 6,128,426 km (0.116 R)
• M32: 6,302,558 km (0.105 R)
• M33: 6,505,563 km (0.058 R)
• M34: 7,001,629 km (0.102 R)
• M35: 7,155,565 km (0.069 R)
• M36: 7,282,424 km (0.061 R)
• M37: 7,552,897 km (0.086 R)
• M38: 7,667,639 km (0.101 R)
• M39: 7,768,617 km (0.116 R)
• M40: 8,059,436 km (0.054 R)
• M41: 8,147,399 km (0.096 R)
• M42: 8,502,545 km (0.113 R)
• M43: 8,667,102 km (0.092 R)
• M44: 8,847,667 km (0.116 R)
• M45: 9,366,323 km (0.025 R)
• M46: 9,474,332 km (0.054 R)
• M47: 9,675,990 km (0.107 R)
• M48: 9,785,197 km (0.095 R)
• M49: 9,894,852 km (0.09 R)
• M50: 10,131,067 km (0.11 R)
• M51: 10,867,388 km (0.079 R)
• M52: 10,980,933 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.1

Radius: 13.5

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.56 AU - 1.96 AU

Year: 1532 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,704,492 km

• M1: 176,376 km (0.113 R)
• M2: 267,481 km (0.077 R)
• M3: 368,759 km (0.056 R)
• M4: 479,611 km (0.065 R)
• M5: 601,383 km (0.118 R)
• M6: 882,029 km (0.053 R)
• M7: 996,023 km (0.087 R)
• M8: 1,137,692 km (0.105 R)
• M9: 1,269,188 km (0.071 R)
• M10: 1,363,884 km (0.105 R)
• M11: 1,504,506 km (0.058 R)
• M12: 1,592,619 km (0.115 R)
• M13: 1,781,112 km (0.114 R)
• M14: 1,908,570 km (0.089 R)
• M15: 2,130,722 km (0.097 R)
• M16: 2,405,683 km (0.079 R)
• M17: 2,562,761 km (0.1 R)
• M18: 2,974,604 km (0.061 R)
• M19: 3,111,187 km (0.104 R)
• M20: 3,217,102 km (0.052 R)
• M21: 3,424,295 km (0.105 R)
• M22: 3,704,642 km (0.114 R)
• M23: 4,081,479 km (0.092 R)
• M24: 4,260,847 km (0.082 R)
• M25: 4,424,806 km (0.111 R)
• M26: 4,618,535 km (0.054 R)
• M27: 4,843,530 km (0.091 R)
• M28: 4,928,951 km (0.099 R)
• M29: 5,197,628 km (0.057 R)
• M30: 5,304,591 km (0.11 R)
• M31: 5,422,025 km (0.111 R)
• M32: 5,540,357 km (0.091 R)
• M33: 7,037,981 km (0.115 R)
• M34: 7,243,230 km (0.077 R)
• M35: 7,362,908 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.7

Radius: 13

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.37 AU - 4.27 AU

Year: 4898 Days

Day: 10.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 44,704,492 km

• M1: 172,786 km (0.117 R)
• M2: 257,458 km (0.113 R)
• M3: 350,209 km (0.107 R)
• M4: 524,041 km (0.113 R)
• M5: 886,816 km (0.119 R)
• M6: 996,920 km (0.072 R)
• M7: 1,111,961 km (0.095 R)
• M8: 1,216,679 km (0.073 R)
• M9: 1,602,343 km (0.079 R)
• M10: 1,704,817 km (0.033 R)
• M11: 2,118,605 km (0.04 R)
• M12: 2,327,892 km (0.118 R)
• M13: 2,705,477 km (0.098 R)
• M14: 3,038,931 km (0.113 R)
• M15: 3,474,411 km (0.083 R)
• M16: 3,564,020 km (0.115 R)
• M17: 3,768,221 km (0.086 R)
• M18: 3,976,611 km (0.096 R)
• M19: 4,117,532 km (0.109 R)
• M20: 4,797,604 km (0.1 R)
• M21: 4,998,364 km (0.065 R)
• M22: 5,253,428 km (0.102 R)
• M23: 5,617,699 km (0.076 R)
• M24: 5,829,530 km (0.078 R)
• M25: 6,017,126 km (0.085 R)
• M26: 6,179,439 km (0.104 R)
• M27: 6,759,430 km (0.12 R)
• M28: 6,843,654 km (0.077 R)
• M29: 6,956,600 km (0.042 R)
• M30: 7,213,011 km (0.066 R)
• M31: 8,179,712 km (0.037 R)
• M32: 8,390,047 km (0.047 R)
• M33: 8,541,440 km (0.099 R)
• M34: 9,374,401 km (0.112 R)
• M35: 9,531,479 km (0.107 R)
• M36: 10,265,555 km (0.118 R)
• M37: 10,984,822 km (0.038 R)
• M38: 11,383,949 km (0.113 R)
• M39: 11,518,138 km (0.052 R)
• M40: 11,889,740 km (0.11 R)
• M41: 12,402,860 km (0.056 R)
• M42: 12,575,496 km (0.084 R)
• M43: 12,783,736 km (0.093 R)
• M44: 13,028,179 km (0.117 R)
• M45: 13,203,658 km (0.118 R)
• M46: 13,380,034 km (0.115 R)
• M47: 13,521,553 km (0.068 R)
• M48: 13,985,307 km (0.076 R)
• M49: 14,273,282 km (0.11 R)
• M50: 14,454,296 km (0.066 R)
• M51: 16,381,565 km (0.067 R)
• M52: 16,533,108 km (0.032 R)
• M53: 17,298,151 km (0.097 R)
• M54: 18,035,519 km (0.048 R)
• M55: 19,061,162 km (0.091 R)
• M56: 19,340,611 km (0.08 R)
• M57: 20,268,268 km (0.097 R)
• M58: 20,390,339 km (0.11 R)
• M59: 21,168,996 km (0.113 R)
• M60: 21,292,863 km (0.102 R)
• M61: 22,166,664 km (0.072 R)
• M62: 23,094,620 km (0.112 R)
• M63: 23,179,592 km (0.079 R)
• M64: 23,307,199 km (0.098 R)
• M65: 23,477,890 km (0.056 R)
• M66: 23,563,310 km (0.057 R)
• M67: 23,777,385 km (0.03 R)
• M68: 24,250,712 km (0.103 R)
• M69: 24,596,882 km (0.074 R)
• M70: 26,042,147 km (0.102 R)
• M71: 26,752,886 km (0.101 R)
• M72: 27,380,001 km (0.037 R)
• M73: 27,966,574 km (0.086 R)
• M74: 28,284,170 km (0.086 R)
• M75: 28,694,218 km (0.065 R)
• M76: 29,566,523 km (0.097 R)
• M77: 30,400,830 km (0.071 R)
• M78: 30,680,728 km (0.07 R)
• M79: 30,867,725 km (0.09 R)
• M80: 31,195,943 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.7

Radius: 8.2

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.98 AU - 6.74 AU

Year: 9306 Days

Day: 6.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 44,704,492 km

• M1: 122,670 km (0.085 R)
• M2: 237,711 km (0.052 R)
• M3: 345,421 km (0.102 R)
• M4: 556,504 km (0.1 R)
• M5: 841,189 km (0.103 R)
• M6: 1,054,964 km (0.115 R)
• M7: 1,207,255 km (0.037 R)
• M8: 1,491,341 km (0.106 R)
• M9: 1,956,142 km (0.088 R)
• M10: 2,026,004 km (0.093 R)
• M11: 2,265,361 km (0.085 R)
• M12: 2,413,462 km (0.084 R)
• M13: 2,590,138 km (0.115 R)
• M14: 2,771,301 km (0.096 R)
• M15: 3,010,208 km (0.088 R)
• M16: 3,283,673 km (0.032 R)
• M17: 3,622,363 km (0.056 R)
• M18: 4,061,433 km (0.113 R)
• M19: 4,302,584 km (0.095 R)
• M20: 4,363,620 km (0.043 R)
• M21: 4,455,773 km (0.093 R)
• M22: 4,517,407 km (0.091 R)
• M23: 5,053,865 km (0.117 R)
• M24: 5,577,308 km (0.056 R)
• M25: 6,429,268 km (0.116 R)
• M26: 7,175,911 km (0.102 R)
• M27: 9,616,002 km (0.103 R)
• M28: 9,937,487 km (0.074 R)
• M29: 10,059,110 km (0.105 R)
• M30: 10,549,941 km (0.119 R)
• M31: 10,632,669 km (0.119 R)
• M32: 10,756,835 km (0.08 R)
• M33: 10,923,337 km (0.079 R)
• M34: 11,006,963 km (0.118 R)
• M35: 11,940,154 km (0.11 R)
• M36: 12,722,401 km (0.096 R)
• M37: 12,854,496 km (0.059 R)
• M38: 13,208,594 km (0.105 R)
• M39: 14,017,320 km (0.099 R)
• M40: 14,290,486 km (0.102 R)
• M41: 14,565,447 km (0.11 R)
• M42: 14,795,828 km (0.111 R)
• M43: 15,307,004 km (0.113 R)
• M44: 16,060,977 km (0.051 R)
• M45: 16,298,987 km (0.113 R)
• M46: 16,634,236 km (0.09 R)
• M47: 17,262,996 km (0.12 R)
• M48: 17,751,882 km (0.102 R)
• M49: 18,146,222 km (0.057 R)
• M50: 18,993,993 km (0.03 R)
• M51: 19,905,493 km (0.103 R)
• M52: 20,007,668 km (0.096 R)
• M53: 20,058,830 km (0.097 R)
• M54: 20,110,143 km (0.12 R)
• M55: 20,263,929 km (0.084 R)
• M56: 22,405,273 km (0.079 R)
• M57: 24,453,418 km (0.113 R)
• M58: 24,562,774 km (0.098 R)
• M59: 25,444,204 km (0.096 R)
• M60: 25,777,508 km (0.063 R)
• M61: 26,335,957 km (0.078 R)
• M62: 26,560,504 km (0.098 R)
• M63: 26,729,400 km (0.067 R)
• M64: 29,536,903 km (0.079 R)
• M65: 30,414,893 km (0.103 R)
• M66: 30,473,834 km (0.108 R)
• M67: 30,768,542 km (0.104 R)
• M68: 31,005,056 km (0.108 R)
• M69: 31,837,568 km (0.115 R)
• M70: 33,524,584 km (0.044 R)
• M71: 33,707,093 km (0.089 R)
• M72: 34,073,009 km (0.052 R)
• M73: 34,134,045 km (0.1 R)
• M74: 34,256,416 km (0.054 R)
• M75: 35,178,687 km (0.107 R)
• M76: 35,302,255 km (0.111 R)
• M77: 35,487,906 km (0.114 R)
• M78: 36,358,566 km (0.109 R)
• M79: 37,173,276 km (0.12 R)
• M80: 37,362,068 km (0.054 R)
• M81: 37,804,130 km (0.055 R)
• M82: 38,057,399 km (0.074 R)
• M83: 39,204,366 km (0.088 R)
• M84: 40,233,300 km (0.077 R)
• M85: 40,491,955 km (0.108 R)
• M86: 40,686,282 km (0.12 R)
• M87: 41,727,932 km (0.113 R)
• M88: 42,120,926 km (0.076 R)
• M89: 42,252,123 km (0.071 R)
• M90: 42,449,144 km (0.089 R)
• M91: 43,306,938 km (0.103 R)
• M92: 43,439,332 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 14,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit