🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 13.5

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.53 AU - 0.83 AU

Year: 368 Days

Day: 10.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,813,999 km

• M1: 167,998 km (0.102 R)
• M2: 656,735 km (0.066 R)
• M3: 1,080,396 km (0.063 R)
• M4: 2,047,845 km (0.105 R)
• M5: 2,650,126 km (0.08 R)
• M6: 3,221,740 km (0.097 R)
• M7: 3,816,242 km (0.118 R)
• M8: 4,328,614 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.5

Radius: 10.4

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.81 AU - 0.83 AU

Year: 487 Days

Day: 13.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,813,999 km

• M1: 129,402 km (0.04 R)
• M2: 488,138 km (0.051 R)
• M3: 825,481 km (0.112 R)
• M4: 1,510,191 km (0.078 R)
• M5: 1,956,142 km (0.109 R)
• M6: 2,581,610 km (0.047 R)
• M7: 2,976,250 km (0.098 R)
• M8: 3,591,396 km (0.105 R)
• M9: 4,114,091 km (0.069 R)
• M10: 4,577,396 km (0.085 R)
• M11: 5,025,591 km (0.108 R)
• M12: 5,398,239 km (0.086 R)
• M13: 5,991,694 km (0.106 R)
• M14: 6,509,303 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.5

Radius: 12.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.89 AU - 0.99 AU

Year: 598 Days

Day: 7.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,813,999 km

• M1: 151,991 km (0.098 R)
• M2: 771,476 km (0.117 R)
• M3: 1,269,488 km (0.083 R)
• M4: 1,656,796 km (0.111 R)
• M5: 2,115,763 km (0.036 R)
• M6: 2,609,436 km (0.102 R)
• M7: 3,021,279 km (0.074 R)
• M8: 3,538,289 km (0.067 R)
• M9: 4,018,199 km (0.119 R)
• M10: 5,657,043 km (0.044 R)
• M11: 6,242,570 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.4

Radius: 8.8

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.73 AU - 2.13 AU

Year: 1759 Days

Day: 7.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,813,999 km

• M1: 109,655 km (0.089 R)
• M2: 456,722 km (0.112 R)
• M3: 2,161,540 km (0.078 R)
• M4: 2,601,806 km (0.104 R)
• M5: 2,887,987 km (0.115 R)
• M6: 3,456,908 km (0.034 R)
• M7: 3,912,732 km (0.118 R)
• M8: 4,568,869 km (0.12 R)
• M9: 5,524,649 km (0.113 R)
• M10: 6,249,002 km (0.062 R)
• M11: 7,623,807 km (0.082 R)
• M12: 8,004,384 km (0.107 R)
• M13: 8,521,095 km (0.12 R)
• M14: 9,354,056 km (0.101 R)
• M15: 9,962,021 km (0.101 R)
• M16: 10,275,728 km (0.108 R)
• M17: 11,369,289 km (0.063 R)
• M18: 12,418,119 km (0.106 R)
• M19: 12,700,261 km (0.111 R)
• M20: 13,028,030 km (0.027 R)
• M21: 14,088,679 km (0.077 R)
• M22: 14,662,536 km (0.092 R)
• M23: 15,622,356 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.4

Radius: 12.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.18 AU - 3.22 AU

Year: 2910 Days

Day: 12.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,813,999 km

• M1: 151,842 km (0.092 R)
• M2: 529,726 km (0.115 R)
• M3: 992,731 km (0.089 R)
• M4: 2,606,294 km (0.04 R)
• M5: 3,136,170 km (0.078 R)
• M6: 4,212,975 km (0.114 R)
• M7: 4,815,256 km (0.104 R)
• M8: 6,375,113 km (0.106 R)
• M9: 6,888,982 km (0.105 R)
• M10: 7,401,355 km (0.095 R)
• M11: 10,990,208 km (0.082 R)
• M12: 11,691,074 km (0.081 R)
• M13: 13,010,377 km (0.085 R)
• M14: 14,153,455 km (0.103 R)
• M15: 14,796,127 km (0.083 R)
• M16: 16,238,849 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.1

Radius: 4.6

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.12 AU - 7.02 AU

Year: 11047 Days

Day: 19.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,813,999 km

• M1: 65,973 km (0.099 R)
• M2: 462,557 km (0.089 R)
• M3: 922,570 km (0.088 R)
• M4: 1,669,363 km (0.093 R)
• M5: 2,545,258 km (0.116 R)
• M6: 4,737,166 km (0.073 R)
• M7: 5,266,593 km (0.064 R)
• M8: 8,815,503 km (0.053 R)
• M9: 11,924,147 km (0.057 R)
• M10: 14,161,383 km (0.094 R)
• M11: 21,099,583 km (0.113 R)
• M12: 23,009,050 km (0.118 R)
• M13: 30,894,354 km (0.107 R)
• M14: 31,902,045 km (0.048 R)
• M15: 37,724,544 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845

Radius: 3.8

Gravity: 58.52 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.91 AU - 9.17 AU

Year: 14955 Days

Day: 15.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,813,999 km

• M1: 80,334 km (0.111 R)
• M2: 216,319 km (0.115 R)
• M3: 383,120 km (0.102 R)
• M4: 617,540 km (0.034 R)
• M5: 792,270 km (0.05 R)
• M6: 1,097,001 km (0.099 R)
• M7: 1,444,367 km (0.105 R)
• M8: 1,991,148 km (0.094 R)
• M9: 2,228,111 km (0.075 R)
• M10: 5,277,663 km (0.059 R)
• M11: 5,887,873 km (0.1 R)
• M12: 6,375,412 km (0.112 R)
• M13: 7,292,747 km (0.102 R)
• M14: 11,656,666 km (0.084 R)
• M15: 14,777,128 km (0.115 R)
• M16: 17,740,961 km (0.111 R)
• M17: 21,078,041 km (0.074 R)
• M18: 23,687,925 km (0.054 R)
• M19: 31,561,710 km (0.079 R)
• M20: 32,174,014 km (0.087 R)
• M21: 37,360,273 km (0.106 R)
• M22: 39,440,581 km (0.112 R)
• M23: 42,332,457 km (0.119 R)
• M24: 47,888,223 km (0.059 R)
• M25: 59,484,601 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898

Radius: 5.8

Gravity: 26.69 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.3 AU - 12.44 AU

Year: 21907 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 83,813,999 km

• M1: 74,350 km (0.109 R)
• M2: 341,682 km (0.084 R)
• M3: 546,032 km (0.042 R)
• M4: 779,405 km (0.083 R)
• M5: 1,026,541 km (0.082 R)
• M6: 1,736,233 km (0.043 R)
• M7: 2,033,933 km (0.043 R)
• M8: 2,365,142 km (0.064 R)
• M9: 3,023,971 km (0.079 R)
• M10: 3,547,265 km (0.094 R)
• M11: 4,061,283 km (0.079 R)
• M12: 5,196,731 km (0.104 R)
• M13: 6,529,498 km (0.057 R)
• M14: 7,552,449 km (0.068 R)
• M15: 8,622,073 km (0.114 R)
• M16: 9,728,350 km (0.103 R)
• M17: 10,410,516 km (0.106 R)
• M18: 16,705,893 km (0.091 R)
• M19: 18,602,495 km (0.063 R)
• M20: 19,651,176 km (0.079 R)
• M21: 20,638,223 km (0.078 R)
• M22: 21,042,137 km (0.11 R)
• M23: 21,246,039 km (0.09 R)
• M24: 21,761,553 km (0.094 R)
• M25: 25,491,178 km (0.091 R)
• M26: 26,308,431 km (0.049 R)
• M27: 27,628,034 km (0.099 R)
• M28: 30,921,281 km (0.107 R)
• M29: 31,985,072 km (0.103 R)
• M30: 32,935,617 km (0.105 R)
• M31: 41,068,804 km (0.069 R)
• M32: 42,515,715 km (0.119 R)
• M33: 45,002,031 km (0.066 R)
• M34: 46,194,775 km (0.113 R)
• M35: 59,100,434 km (0.089 R)
• M36: 59,303,289 km (0.115 R)
• M37: 68,471,843 km (0.105 R)
• M38: 73,977,942 km (0.098 R)
• M39: 75,876,938 km (0.071 R)
• M40: 77,808,246 km (0.098 R)
• M41: 86,905,293 km (0.097 R)
• M42: 87,693,823 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.1

Radius: 4.4

Gravity: 35.28 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 10.66 AU - 10.86 AU

Year: 23154 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,813,999 km

• M1: 54,753 km (0.059 R)
• M2: 210,634 km (0.096 R)
• M3: 666,309 km (0.113 R)
• M4: 875,596 km (0.103 R)
• M5: 1,649,017 km (0.081 R)
• M6: 2,930,024 km (0.087 R)
• M7: 3,317,782 km (0.11 R)
• M8: 4,263,091 km (0.094 R)
• M9: 5,177,732 km (0.094 R)
• M10: 9,434,091 km (0.09 R)
• M11: 12,524,483 km (0.059 R)
• M12: 14,843,101 km (0.073 R)
• M13: 17,609,315 km (0.109 R)
• M14: 18,419,537 km (0.09 R)
• M15: 20,113,583 km (0.063 R)
• M16: 20,602,020 km (0.077 R)
• M17: 20,799,639 km (0.11 R)
• M18: 22,635,055 km (0.055 R)
• M19: 24,135,223 km (0.087 R)
• M20: 25,133,789 km (0.1 R)
• M21: 26,044,241 km (0.088 R)
• M22: 28,538,636 km (0.077 R)
• M23: 32,772,555 km (0.065 R)
• M24: 36,245,470 km (0.054 R)
• M25: 37,260,192 km (0.101 R)
• M26: 41,508,323 km (0.085 R)
• M27: 48,120,549 km (0.094 R)
• M28: 50,770,675 km (0.078 R)
• M29: 56,166,820 km (0.052 R)
• M30: 70,964,592 km (0.083 R)
• M31: 73,237,134 km (0.108 R)
• M32: 74,856,531 km (0.12 R)
• M33: 82,315,331 km (0.096 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 15,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit