🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787

Radius: 14

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.94 AU - 0.94 AU

Year: 598 Days

Day: 13.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,865,793 km

• M1: 174,880 km (0.077 R)
• M2: 718,070 km (0.099 R)
• M3: 1,395,150 km (0.084 R)
• M4: 1,919,041 km (0.114 R)
• M5: 2,725,224 km (0.111 R)
• M6: 3,276,044 km (0.12 R)
• M7: 4,175,576 km (0.114 R)
• M8: 4,684,209 km (0.073 R)
• M9: 5,642,981 km (0.104 R)
• M10: 6,188,714 km (0.07 R)
• M11: 6,667,128 km (0.111 R)
• M12: 7,653,427 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.8

Radius: 13.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.9 AU - 2.76 AU

Year: 2333 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,865,793 km

• M1: 165,455 km (0.108 R)
• M2: 594,352 km (0.093 R)
• M3: 1,098,647 km (0.117 R)
• M4: 2,452,507 km (0.071 R)
• M5: 3,034,892 km (0.118 R)
• M6: 3,488,622 km (0.068 R)
• M7: 4,038,843 km (0.094 R)
• M8: 4,665,359 km (0.116 R)
• M9: 5,152,001 km (0.116 R)
• M10: 6,068,737 km (0.115 R)
• M11: 6,795,184 km (0.069 R)
• M12: 9,027,932 km (0.075 R)
• M13: 10,457,490 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.6

Radius: 12.3

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.24 AU - 2.46 AU

Year: 2363 Days

Day: 7.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,865,793 km

• M1: 153,039 km (0.082 R)
• M2: 613,800 km (0.066 R)
• M3: 1,141,731 km (0.105 R)
• M4: 2,043,208 km (0.051 R)
• M5: 2,771,749 km (0.075 R)
• M6: 3,390,486 km (0.115 R)
• M7: 4,140,869 km (0.07 R)
• M8: 5,408,711 km (0.099 R)
• M9: 7,523,277 km (0.099 R)
• M10: 8,161,013 km (0.09 R)
• M11: 8,594,697 km (0.082 R)
• M12: 9,989,099 km (0.062 R)
• M13: 11,446,631 km (0.118 R)
• M14: 13,774,972 km (0.081 R)
• M15: 14,779,522 km (0.117 R)
• M16: 15,224,725 km (0.052 R)
• M17: 16,508,574 km (0.119 R)
• M18: 17,476,771 km (0.058 R)
• M19: 19,763,375 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.8

Radius: 12.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.96 AU - 4.62 AU

Year: 4840 Days

Day: 13.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,865,793 km

• M1: 159,172 km (0.114 R)
• M2: 603,029 km (0.114 R)
• M3: 1,060,200 km (0.099 R)
• M4: 1,504,057 km (0.088 R)
• M5: 1,967,661 km (0.105 R)
• M6: 2,597,318 km (0.109 R)
• M7: 3,241,038 km (0.094 R)
• M8: 4,508,132 km (0.117 R)
• M9: 5,371,162 km (0.05 R)
• M10: 7,662,253 km (0.057 R)
• M11: 8,403,810 km (0.084 R)
• M12: 9,994,484 km (0.065 R)
• M13: 12,765,785 km (0.112 R)
• M14: 13,498,665 km (0.117 R)
• M15: 14,581,005 km (0.075 R)
• M16: 16,411,784 km (0.106 R)
• M17: 17,278,704 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.4

Radius: 12.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.73 AU - 4.13 AU

Year: 5111 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 117.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,865,793 km

• M1: 151,692 km (0.117 R)
• M2: 559,945 km (0.107 R)
• M3: 1,197,830 km (0.089 R)
• M4: 1,591,721 km (0.096 R)
• M5: 2,032,437 km (0.102 R)
• M6: 3,830,453 km (0.09 R)
• M7: 4,986,097 km (0.102 R)
• M8: 5,659,138 km (0.101 R)
• M9: 6,210,406 km (0.077 R)
• M10: 7,120,859 km (0.097 R)
• M11: 8,973,927 km (0.085 R)
• M12: 9,563,642 km (0.066 R)
• M13: 10,908,228 km (0.05 R)
• M14: 12,471,226 km (0.051 R)
• M15: 14,178,587 km (0.075 R)
• M16: 14,762,916 km (0.103 R)
• M17: 18,612,967 km (0.111 R)
• M18: 18,993,095 km (0.064 R)
• M19: 20,836,440 km (0.067 R)
• M20: 21,871,657 km (0.106 R)
• M21: 24,194,314 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.3

Radius: 4.7

Gravity: 40.94 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.39 AU - 7.09 AU

Year: 10226 Days

Day: 19.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,865,793 km

• M1: 59,540 km (0.106 R)
• M2: 264,788 km (0.082 R)
• M3: 472,280 km (0.081 R)
• M4: 921,822 km (0.116 R)
• M5: 1,191,547 km (0.117 R)
• M6: 1,956,890 km (0.103 R)
• M7: 2,383,543 km (0.093 R)
• M8: 3,100,715 km (0.087 R)
• M9: 3,868,751 km (0.078 R)
• M10: 4,538,051 km (0.096 R)
• M11: 4,693,334 km (0.117 R)
• M12: 5,014,221 km (0.101 R)
• M13: 5,664,374 km (0.091 R)
• M14: 6,254,089 km (0.101 R)
• M15: 6,407,576 km (0.103 R)
• M16: 8,222,049 km (0.105 R)
• M17: 8,593,799 km (0.074 R)
• M18: 8,928,151 km (0.109 R)
• M19: 11,747,322 km (0.093 R)
• M20: 12,949,491 km (0.04 R)
• M21: 13,325,430 km (0.117 R)
• M22: 14,297,517 km (0.103 R)
• M23: 14,834,723 km (0.092 R)
• M24: 15,455,106 km (0.09 R)
• M25: 16,092,692 km (0.099 R)
• M26: 16,895,434 km (0.104 R)
• M27: 19,058,769 km (0.094 R)
• M28: 24,970,428 km (0.069 R)
• M29: 28,812,251 km (0.04 R)
• M30: 29,024,680 km (0.108 R)
• M31: 29,993,775 km (0.062 R)
• M32: 35,406,974 km (0.118 R)
• M33: 36,265,217 km (0.113 R)
• M34: 36,637,117 km (0.12 R)
• M35: 37,768,376 km (0.066 R)
• M36: 39,443,124 km (0.103 R)
• M37: 45,334,887 km (0.039 R)
• M38: 51,006,890 km (0.09 R)
• M39: 52,574,376 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.5

Radius: 7.4

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.71 AU - 9.83 AU

Year: 15602 Days

Day: 19.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,865,793 km

• M1: 92,152 km (0.11 R)
• M2: 910,602 km (0.083 R)
• M3: 1,413,700 km (0.066 R)
• M4: 3,190,324 km (0.061 R)
• M5: 4,374,092 km (0.113 R)
• M6: 4,668,950 km (0.079 R)
• M7: 5,672,153 km (0.089 R)
• M8: 7,715,061 km (0.106 R)
• M9: 8,049,263 km (0.104 R)
• M10: 11,692,121 km (0.11 R)
• M11: 16,382,912 km (0.059 R)
• M12: 17,176,229 km (0.066 R)
• M13: 18,329,479 km (0.084 R)
• M14: 20,154,723 km (0.067 R)
• M15: 20,697,763 km (0.103 R)
• M16: 21,813,015 km (0.106 R)
• M17: 27,996,194 km (0.071 R)
• M18: 30,174,040 km (0.082 R)
• M19: 32,093,680 km (0.104 R)
• M20: 32,709,874 km (0.086 R)
• M21: 34,734,681 km (0.098 R)
• M22: 35,777,827 km (0.105 R)
• M23: 43,973,097 km (0.095 R)
• M24: 46,907,908 km (0.118 R)
• M25: 48,827,249 km (0.053 R)
• M26: 50,466,243 km (0.087 R)
• M27: 55,249,785 km (0.025 R)
• M28: 58,662,561 km (0.048 R)
• M29: 62,595,190 km (0.065 R)
• M30: 64,138,292 km (0.08 R)
• M31: 66,301,477 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.7

Radius: 4.6

Gravity: 26.64 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.77 AU - 11.45 AU

Year: 21088 Days

Day: 22.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,865,793 km

• M1: 81,381 km (0.084 R)
• M2: 286,929 km (0.048 R)
• M3: 853,905 km (0.047 R)
• M4: 1,027,438 km (0.041 R)
• M5: 1,384,678 km (0.094 R)
• M6: 1,575,565 km (0.089 R)
• M7: 2,172,011 km (0.11 R)
• M8: 2,453,106 km (0.112 R)
• M9: 3,087,999 km (0.067 R)
• M10: 3,705,689 km (0.076 R)
• M11: 4,335,197 km (0.118 R)
• M12: 4,780,998 km (0.082 R)
• M13: 6,301,810 km (0.099 R)
• M14: 6,738,337 km (0.118 R)
• M15: 8,634,789 km (0.091 R)
• M16: 9,848,028 km (0.116 R)
• M17: 10,676,650 km (0.052 R)
• M18: 13,298,952 km (0.06 R)
• M19: 13,654,246 km (0.114 R)
• M20: 14,162,281 km (0.067 R)
• M21: 18,337,557 km (0.103 R)
• M22: 22,057,907 km (0.084 R)
• M23: 22,857,807 km (0.1 R)
• M24: 27,491,451 km (0.087 R)
• M25: 27,721,084 km (0.075 R)
• M26: 31,445,024 km (0.089 R)
• M27: 32,585,408 km (0.101 R)
• M28: 36,724,781 km (0.084 R)
• M29: 39,137,047 km (0.085 R)
• M30: 43,336,858 km (0.082 R)
• M31: 47,661,732 km (0.111 R)
• M32: 51,044,738 km (0.083 R)
• M33: 51,739,920 km (0.087 R)
• M34: 57,718,748 km (0.094 R)
• M35: 58,473,170 km (0.094 R)
• M36: 60,195,042 km (0.099 R)
• M37: 72,108,567 km (0.057 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 19,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit