🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.5 AU - 0.58 AU

Year: 172 Days

Day: 34.4 Hours

Environment

Temp: 26 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.94 AU - 1.48 AU

Year: 577 Days

Day: 29.6 Hours

Environment

Temp: -85 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,882,996 km

• M1: 179,368 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.14 AU - 2.92 AU

Year: 1744 Days

Day: 15.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.4

Radius: 10.6

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.58 AU - 3.02 AU

Year: 2031 Days

Day: 9 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 40,882,996 km

• M1: 214,673 km (0.109 R)
• M2: 304,880 km (0.103 R)
• M3: 396,135 km (0.103 R)
• M4: 527,183 km (0.074 R)
• M5: 628,760 km (0.059 R)
• M6: 836,850 km (0.075 R)
• M7: 958,474 km (0.094 R)
• M8: 1,590,824 km (0.1 R)
• M9: 1,733,241 km (0.041 R)
• M10: 1,925,923 km (0.111 R)
• M11: 2,369,780 km (0.088 R)
• M12: 2,533,290 km (0.111 R)
• M13: 2,726,870 km (0.1 R)
• M14: 2,858,516 km (0.116 R)
• M15: 2,925,237 km (0.057 R)
• M16: 2,992,406 km (0.118 R)
• M17: 3,101,014 km (0.098 R)
• M18: 3,197,206 km (0.102 R)
• M19: 3,364,307 km (0.108 R)
• M20: 3,520,187 km (0.078 R)
• M21: 3,692,823 km (0.111 R)
• M22: 3,853,791 km (0.101 R)
• M23: 4,182,457 km (0.078 R)
• M24: 4,692,586 km (0.114 R)
• M25: 4,803,438 km (0.089 R)
• M26: 4,883,174 km (0.116 R)
• M27: 5,108,618 km (0.054 R)
• M28: 5,403,475 km (0.056 R)
• M29: 5,569,828 km (0.064 R)
• M30: 5,670,358 km (0.04 R)
• M31: 5,958,782 km (0.056 R)
• M32: 6,321,557 km (0.12 R)
• M33: 6,409,072 km (0.051 R)
• M34: 6,942,388 km (0.08 R)
• M35: 7,123,402 km (0.095 R)
• M36: 7,214,507 km (0.096 R)
• M37: 7,324,312 km (0.104 R)
• M38: 8,203,648 km (0.054 R)
• M39: 8,279,943 km (0.042 R)
• M40: 8,472,027 km (0.117 R)
• M41: 8,568,517 km (0.114 R)
• M42: 8,704,352 km (0.118 R)
• M43: 9,155,689 km (0.089 R)
• M44: 9,434,240 km (0.093 R)
• M45: 9,654,897 km (0.114 R)
• M46: 10,163,081 km (0.042 R)
• M47: 10,245,210 km (0.094 R)
• M48: 10,513,589 km (0.077 R)
• M49: 10,784,211 km (0.041 R)
• M50: 11,205,329 km (0.11 R)
• M51: 11,545,964 km (0.116 R)
• M52: 11,739,095 km (0.08 R)
• M53: 12,281,387 km (0.06 R)
• M54: 12,456,566 km (0.12 R)
• M55: 12,588,511 km (0.082 R)
• M56: 12,920,469 km (0.099 R)
• M57: 13,322,738 km (0.104 R)
• M58: 13,570,472 km (0.107 R)
• M59: 13,865,329 km (0.12 R)
• M60: 14,047,838 km (0.079 R)
• M61: 14,116,504 km (0.101 R)
• M62: 14,300,060 km (0.085 R)
• M63: 14,553,928 km (0.073 R)
• M64: 14,995,691 km (0.041 R)
• M65: 15,229,961 km (0.105 R)
• M66: 15,916,465 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.3

Radius: 11.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.68 AU - 2.98 AU

Year: 2064 Days

Day: 5.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 40,882,996 km

• M1: 165,754 km (0.054 R)
• M2: 249,679 km (0.108 R)
• M3: 379,829 km (0.1 R)
• M4: 459,864 km (0.065 R)
• M5: 553,363 km (0.069 R)
• M6: 721,810 km (0.098 R)
• M7: 886,367 km (0.099 R)
• M8: 1,064,090 km (0.087 R)
• M9: 1,220,120 km (0.072 R)
• M10: 1,446,611 km (0.082 R)
• M11: 1,555,967 km (0.116 R)
• M12: 1,630,318 km (0.093 R)
• M13: 1,754,185 km (0.112 R)
• M14: 1,881,044 km (0.112 R)
• M15: 2,001,171 km (0.041 R)
• M16: 2,228,111 km (0.038 R)
• M17: 2,366,190 km (0.1 R)
• M18: 2,529,251 km (0.115 R)
• M19: 2,775,190 km (0.107 R)
• M20: 2,866,594 km (0.082 R)
• M21: 2,959,046 km (0.077 R)
• M22: 3,147,090 km (0.038 R)
• M23: 3,278,587 km (0.079 R)
• M24: 3,399,761 km (0.082 R)
• M25: 3,938,314 km (0.053 R)
• M26: 4,329,811 km (0.065 R)
• M27: 4,516,958 km (0.118 R)
• M28: 4,625,117 km (0.114 R)
• M29: 5,348,872 km (0.11 R)
• M30: 5,506,698 km (0.112 R)
• M31: 5,695,041 km (0.072 R)
• M32: 6,123,041 km (0.11 R)
• M33: 6,592,180 km (0.092 R)
• M34: 6,900,950 km (0.108 R)
• M35: 7,581,171 km (0.118 R)
• M36: 8,002,738 km (0.113 R)
• M37: 8,134,085 km (0.102 R)
• M38: 8,315,846 km (0.074 R)
• M39: 8,482,199 km (0.095 R)
• M40: 8,970,936 km (0.084 R)
• M41: 9,486,300 km (0.105 R)
• M42: 10,152,759 km (0.111 R)
• M43: 10,545,603 km (0.078 R)
• M44: 11,071,140 km (0.103 R)
• M45: 11,254,248 km (0.092 R)
• M46: 11,605,055 km (0.098 R)
• M47: 11,753,905 km (0.118 R)
• M48: 12,109,948 km (0.076 R)
• M49: 12,223,044 km (0.119 R)
• M50: 12,431,433 km (0.089 R)
• M51: 12,507,429 km (0.091 R)
• M52: 12,947,845 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.5

Radius: 13.2

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.51 AU - 3.67 AU

Year: 2355 Days

Day: 12.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 40,882,996 km

• M1: 221,106 km (0.118 R)
• M2: 342,729 km (0.063 R)
• M3: 432,188 km (0.074 R)
• M4: 619,485 km (0.103 R)
• M5: 1,010,683 km (0.057 R)
• M6: 1,112,559 km (0.1 R)
• M7: 1,239,867 km (0.072 R)
• M8: 1,395,000 km (0.114 R)
• M9: 1,737,579 km (0.064 R)
• M10: 1,849,478 km (0.051 R)
• M11: 2,015,682 km (0.079 R)
• M12: 2,186,971 km (0.068 R)
• M13: 2,530,149 km (0.114 R)
• M14: 2,701,139 km (0.052 R)
• M15: 2,935,110 km (0.068 R)
• M16: 3,024,719 km (0.114 R)
• M17: 3,298,932 km (0.103 R)
• M18: 3,407,839 km (0.115 R)
• M19: 3,709,578 km (0.027 R)
• M20: 3,921,110 km (0.114 R)
• M21: 4,153,585 km (0.072 R)
• M22: 4,441,860 km (0.065 R)
• M23: 4,545,232 km (0.034 R)
• M24: 5,020,355 km (0.103 R)
• M25: 5,146,167 km (0.098 R)
• M26: 5,254,775 km (0.115 R)
• M27: 6,736,841 km (0.095 R)
• M28: 6,955,852 km (0.115 R)
• M29: 7,360,066 km (0.119 R)
• M30: 7,771,909 km (0.076 R)
• M31: 8,255,110 km (0.053 R)
• M32: 8,446,745 km (0.086 R)
• M33: 8,618,333 km (0.09 R)
• M34: 8,747,885 km (0.111 R)
• M35: 8,921,568 km (0.048 R)
• M36: 9,228,393 km (0.081 R)
• M37: 9,583,240 km (0.05 R)
• M38: 9,784,748 km (0.112 R)
• M39: 9,874,806 km (0.061 R)
• M40: 10,466,914 km (0.058 R)
• M41: 10,883,694 km (0.094 R)
• M42: 11,023,867 km (0.113 R)
• M43: 11,211,612 km (0.104 R)
• M44: 11,733,410 km (0.071 R)
• M45: 12,118,026 km (0.107 R)
• M46: 12,336,140 km (0.111 R)
• M47: 12,506,681 km (0.048 R)
• M48: 12,727,188 km (0.098 R)
• M49: 13,271,575 km (0.097 R)
• M50: 13,396,340 km (0.094 R)
• M51: 13,621,933 km (0.077 R)
• M52: 13,950,151 km (0.1 R)
• M53: 14,051,578 km (0.078 R)
• M54: 14,743,169 km (0.107 R)
• M55: 14,898,302 km (0.098 R)
• M56: 15,340,962 km (0.082 R)
• M57: 15,708,824 km (0.107 R)
• M58: 16,506,779 km (0.112 R)
• M59: 17,019,002 km (0.103 R)
• M60: 17,263,445 km (0.115 R)
• M61: 17,646,116 km (0.119 R)
• M62: 17,728,395 km (0.063 R)
• M63: 18,086,831 km (0.089 R)
• M64: 18,253,035 km (0.102 R)
• M65: 18,475,337 km (0.099 R)
• M66: 18,726,661 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 13.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.71 AU - 4.27 AU

Year: 3455 Days

Day: 13.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 40,882,996 km

• M1: 182,509 km (0.072 R)
• M2: 294,409 km (0.037 R)
• M3: 457,321 km (0.077 R)
• M4: 612,753 km (0.107 R)
• M5: 1,029,832 km (0.083 R)
• M6: 1,159,683 km (0.058 R)
• M7: 1,583,942 km (0.078 R)
• M8: 2,055,774 km (0.114 R)
• M9: 2,394,613 km (0.082 R)
• M10: 2,490,206 km (0.048 R)
• M11: 2,685,282 km (0.107 R)
• M12: 3,091,141 km (0.043 R)
• M13: 3,230,716 km (0.101 R)
• M14: 3,662,605 km (0.084 R)
• M15: 4,325,473 km (0.097 R)
• M16: 4,661,170 km (0.054 R)
• M17: 4,842,333 km (0.039 R)
• M18: 4,943,910 km (0.084 R)
• M19: 5,357,848 km (0.073 R)
• M20: 5,547,687 km (0.111 R)
• M21: 5,956,090 km (0.112 R)
• M22: 6,329,935 km (0.089 R)
• M23: 6,485,965 km (0.083 R)
• M24: 6,598,313 km (0.066 R)
• M25: 6,779,476 km (0.049 R)
• M26: 7,262,827 km (0.072 R)
• M27: 7,426,337 km (0.058 R)
• M28: 7,543,921 km (0.086 R)
• M29: 7,900,563 km (0.1 R)
• M30: 8,556,549 km (0.115 R)
• M31: 8,679,818 km (0.114 R)
• M32: 8,928,450 km (0.079 R)
• M33: 9,053,663 km (0.105 R)
• M34: 9,280,454 km (0.101 R)
• M35: 9,381,881 km (0.105 R)
• M36: 9,920,583 km (0.118 R)
• M37: 10,050,284 km (0.117 R)
• M38: 10,206,614 km (0.039 R)
• M39: 10,787,203 km (0.096 R)
• M40: 10,920,645 km (0.104 R)
• M41: 11,216,250 km (0.112 R)
• M42: 11,952,870 km (0.119 R)
• M43: 12,368,902 km (0.03 R)
• M44: 12,902,667 km (0.1 R)
• M45: 13,992,936 km (0.11 R)
• M46: 14,608,082 km (0.098 R)
• M47: 15,202,285 km (0.109 R)
• M48: 15,412,171 km (0.079 R)
• M49: 15,804,417 km (0.114 R)
• M50: 15,895,372 km (0.09 R)
• M51: 16,506,479 km (0.054 R)
• M52: 16,629,599 km (0.097 R)
• M53: 16,969,784 km (0.11 R)
• M54: 17,688,751 km (0.084 R)
• M55: 18,194,691 km (0.062 R)
• M56: 18,962,577 km (0.087 R)
• M57: 19,220,933 km (0.095 R)
• M58: 19,382,947 km (0.056 R)
• M59: 20,035,643 km (0.095 R)
• M60: 20,364,758 km (0.111 R)
• M61: 20,828,512 km (0.111 R)
• M62: 21,732,681 km (0.108 R)
• M63: 22,003,154 km (0.088 R)
• M64: 22,240,715 km (0.043 R)
• M65: 22,376,700 km (0.113 R)
• M66: 22,513,133 km (0.105 R)
• M67: 22,649,866 km (0.066 R)
• M68: 23,130,224 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 11.2

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.67 AU - 5.99 AU

Year: 4601 Days

Day: 14.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 40,882,996 km

• M1: 168,597 km (0.048 R)
• M2: 238,459 km (0.105 R)
• M3: 501,003 km (0.034 R)
• M4: 598,242 km (0.115 R)
• M5: 692,937 km (0.084 R)
• M6: 1,033,572 km (0.114 R)
• M7: 1,126,771 km (0.062 R)
• M8: 1,398,590 km (0.11 R)
• M9: 1,489,696 km (0.119 R)
• M10: 1,859,950 km (0.111 R)
• M11: 1,960,630 km (0.106 R)
• M12: 2,167,823 km (0.092 R)
• M13: 2,429,320 km (0.117 R)
• M14: 2,603,901 km (0.11 R)
• M15: 2,815,881 km (0.102 R)
• M16: 2,932,268 km (0.106 R)
• M17: 3,101,613 km (0.088 R)
• M18: 3,187,482 km (0.1 R)
• M19: 3,379,117 km (0.081 R)
• M20: 3,521,085 km (0.093 R)
• M21: 4,033,308 km (0.088 R)
• M22: 4,375,139 km (0.08 R)
• M23: 4,569,018 km (0.082 R)
• M24: 4,865,372 km (0.081 R)
• M25: 4,965,602 km (0.062 R)
• M26: 5,086,776 km (0.077 R)
• M27: 5,311,472 km (0.111 R)
• M28: 5,414,695 km (0.066 R)
• M29: 5,539,460 km (0.113 R)
• M30: 5,728,551 km (0.038 R)
• M31: 5,834,467 km (0.07 R)
• M32: 6,005,307 km (0.047 R)
• M33: 7,155,865 km (0.079 R)
• M34: 7,247,269 km (0.109 R)
• M35: 7,384,899 km (0.088 R)
• M36: 7,709,676 km (0.102 R)
• M37: 7,991,817 km (0.078 R)
• M38: 8,517,804 km (0.096 R)
• M39: 9,477,923 km (0.065 R)
• M40: 9,578,303 km (0.054 R)
• M41: 9,780,260 km (0.088 R)
• M42: 9,932,551 km (0.117 R)
• M43: 10,601,851 km (0.114 R)
• M44: 10,889,528 km (0.115 R)
• M45: 10,994,696 km (0.047 R)
• M46: 11,153,120 km (0.112 R)
• M47: 12,038,290 km (0.073 R)
• M48: 12,862,575 km (0.1 R)
• M49: 13,085,475 km (0.051 R)
• M50: 13,169,400 km (0.103 R)
• M51: 13,875,651 km (0.1 R)
• M52: 14,914,309 km (0.107 R)
• M53: 15,236,693 km (0.08 R)
• M54: 15,354,426 km (0.076 R)
• M55: 15,650,181 km (0.113 R)
• M56: 15,947,881 km (0.091 R)
• M57: 16,488,528 km (0.092 R)
• M58: 16,700,358 km (0.095 R)
• M59: 17,372,202 km (0.104 R)
• M60: 17,526,139 km (0.105 R)
• M61: 18,083,989 km (0.091 R)
• M62: 18,208,754 km (0.094 R)
• M63: 18,584,693 km (0.082 R)
• M64: 18,805,200 km (0.115 R)
• M65: 18,931,611 km (0.118 R)
• M66: 19,058,320 km (0.052 R)
• M67: 19,344,351 km (0.072 R)
• M68: 19,856,574 km (0.088 R)
• M69: 19,953,065 km (0.107 R)
• M70: 20,049,705 km (0.116 R)
• M71: 20,373,136 km (0.085 R)
• M72: 20,535,449 km (0.103 R)
• M73: 21,057,845 km (0.088 R)
• M74: 21,750,184 km (0.086 R)
• M75: 21,982,659 km (0.089 R)
• M76: 22,182,522 km (0.099 R)
• M77: 22,483,513 km (0.044 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.6

Radius: 13.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.21 AU - 8.89 AU

Year: 8993 Days

Day: 12.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 40,882,996 km

• M1: 183,108 km (0.107 R)
• M2: 439,369 km (0.074 R)
• M3: 669,600 km (0.069 R)
• M4: 756,217 km (0.103 R)
• M5: 1,844,093 km (0.099 R)
• M6: 2,633,072 km (0.064 R)
• M7: 2,729,563 km (0.073 R)
• M8: 3,001,232 km (0.118 R)
• M9: 3,204,386 km (0.063 R)
• M10: 3,951,478 km (0.071 R)
• M11: 4,373,643 km (0.065 R)
• M12: 4,751,528 km (0.111 R)
• M13: 6,172,259 km (0.111 R)
• M14: 6,269,348 km (0.045 R)
• M15: 6,366,885 km (0.103 R)
• M16: 6,895,714 km (0.046 R)
• M17: 7,165,439 km (0.116 R)
• M18: 7,301,722 km (0.026 R)
• M19: 7,611,390 km (0.103 R)
• M20: 8,315,098 km (0.099 R)
• M21: 8,820,141 km (0.115 R)
• M22: 9,186,955 km (0.064 R)
• M23: 9,372,307 km (0.062 R)
• M24: 9,822,297 km (0.061 R)
• M25: 10,087,983 km (0.092 R)
• M26: 10,471,851 km (0.045 R)
• M27: 11,174,811 km (0.12 R)
• M28: 11,333,086 km (0.087 R)
• M29: 12,380,121 km (0.09 R)
• M30: 13,795,916 km (0.106 R)
• M31: 13,923,223 km (0.063 R)
• M32: 14,050,980 km (0.085 R)
• M33: 14,695,747 km (0.11 R)
• M34: 15,570,595 km (0.107 R)
• M35: 15,703,139 km (0.113 R)
• M36: 16,192,922 km (0.107 R)
• M37: 17,969,397 km (0.111 R)
• M38: 18,062,148 km (0.119 R)
• M39: 19,377,711 km (0.12 R)
• M40: 20,143,353 km (0.092 R)
• M41: 20,481,444 km (0.106 R)
• M42: 20,675,473 km (0.118 R)
• M43: 20,821,331 km (0.072 R)
• M44: 21,704,108 km (0.089 R)
• M45: 23,202,480 km (0.115 R)
• M46: 23,455,450 km (0.062 R)
• M47: 23,556,878 km (0.1 R)
• M48: 23,709,318 km (0.051 R)
• M49: 24,785,674 km (0.1 R)
• M50: 25,930,397 km (0.099 R)
• M51: 26,720,723 km (0.054 R)
• M52: 27,039,067 km (0.106 R)
• M53: 27,679,645 km (0.086 R)
• M54: 28,271,155 km (0.116 R)
• M55: 29,411,989 km (0.076 R)
• M56: 30,789,785 km (0.071 R)
• M57: 30,956,437 km (0.075 R)
• M58: 31,067,887 km (0.051 R)
• M59: 31,290,938 km (0.088 R)
• M60: 31,402,687 km (0.12 R)
• M61: 31,514,437 km (0.057 R)
• M62: 32,019,479 km (0.104 R)
• M63: 32,470,667 km (0.087 R)
• M64: 32,640,460 km (0.077 R)
• M65: 33,151,487 km (0.115 R)
• M66: 34,815,912 km (0.086 R)
• M67: 35,279,965 km (0.053 R)
• M68: 37,333,794 km (0.088 R)
• M69: 39,064,791 km (0.079 R)
• M70: 40,152,368 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 15,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit