🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 11.3

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.92 AU - 1.1 AU

Year: 666 Days

Day: 13.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,778,345 km

• M1: 140,772 km (0.085 R)
• M2: 790,026 km (0.082 R)
• M3: 1,777,073 km (0.091 R)
• M4: 2,690,966 km (0.098 R)
• M5: 3,440,901 km (0.093 R)
• M6: 3,879,671 km (0.113 R)
• M7: 4,263,689 km (0.073 R)
• M8: 4,870,907 km (0.076 R)
• M9: 5,408,262 km (0.119 R)
• M10: 5,908,069 km (0.051 R)
• M11: 6,338,013 km (0.066 R)
• M12: 6,726,070 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.1

Radius: 9.1

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1 AU - 1.24 AU

Year: 778 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,778,345 km

• M1: 113,246 km (0.053 R)
• M2: 744,997 km (0.101 R)
• M3: 1,378,395 km (0.119 R)
• M4: 1,865,037 km (0.085 R)
• M5: 2,326,097 km (0.1 R)
• M6: 2,699,194 km (0.085 R)
• M7: 3,100,416 km (0.072 R)
• M8: 3,981,398 km (0.111 R)
• M9: 5,735,732 km (0.045 R)
• M10: 6,230,602 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564

Radius: 8.6

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.44 AU - 1.5 AU

Year: 1169 Days

Day: 6.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,778,345 km

• M1: 106,962 km (0.1 R)
• M2: 411,693 km (0.1 R)
• M3: 772,374 km (0.093 R)
• M4: 1,225,207 km (0.1 R)
• M5: 1,568,085 km (0.076 R)
• M6: 2,580,713 km (0.055 R)
• M7: 3,123,005 km (0.082 R)
• M8: 3,585,562 km (0.071 R)
• M9: 4,126,358 km (0.117 R)
• M10: 4,399,075 km (0.101 R)
• M11: 6,638,256 km (0.119 R)
• M12: 7,037,981 km (0.09 R)
• M13: 7,354,531 km (0.073 R)
• M14: 7,885,753 km (0.082 R)
• M15: 8,361,324 km (0.082 R)
• M16: 8,828,070 km (0.116 R)
• M17: 9,369,913 km (0.097 R)
• M18: 9,693,792 km (0.044 R)
• M19: 10,457,490 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.4

Radius: 12.3

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.28 AU - 3.52 AU

Year: 4113 Days

Day: 9.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,778,345 km

• M1: 153,188 km (0.05 R)
• M2: 608,863 km (0.057 R)
• M3: 1,184,516 km (0.083 R)
• M4: 2,015,233 km (0.054 R)
• M5: 2,496,938 km (0.071 R)
• M6: 3,907,347 km (0.109 R)
• M7: 4,836,350 km (0.119 R)
• M8: 6,777,980 km (0.055 R)
• M9: 7,227,971 km (0.116 R)
• M10: 7,940,655 km (0.077 R)
• M11: 8,514,662 km (0.09 R)
• M12: 9,001,304 km (0.09 R)
• M13: 11,537,586 km (0.037 R)
• M14: 13,141,575 km (0.1 R)
• M15: 14,412,408 km (0.035 R)
• M16: 16,845,767 km (0.086 R)
• M17: 19,030,944 km (0.052 R)
• M18: 19,541,222 km (0.098 R)
• M19: 19,929,728 km (0.076 R)
• M20: 22,939,487 km (0.062 R)
• M21: 24,778,195 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.7

Radius: 14.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.81 AU - 4.83 AU

Year: 6942 Days

Day: 13.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,778,345 km

• M1: 185,950 km (0.076 R)
• M2: 654,491 km (0.095 R)
• M3: 1,360,443 km (0.098 R)
• M4: 1,889,272 km (0.1 R)
• M5: 2,414,809 km (0.109 R)
• M6: 2,897,711 km (0.102 R)
• M7: 3,698,209 km (0.027 R)
• M8: 5,521,807 km (0.054 R)
• M9: 6,720,834 km (0.103 R)
• M10: 8,498,206 km (0.108 R)
• M11: 9,541,651 km (0.042 R)
• M12: 11,164,040 km (0.058 R)
• M13: 13,758,965 km (0.117 R)
• M14: 15,011,997 km (0.1 R)
• M15: 15,825,061 km (0.093 R)
• M16: 18,160,882 km (0.082 R)
• M17: 18,725,465 km (0.054 R)
• M18: 20,113,583 km (0.104 R)
• M19: 21,334,900 km (0.079 R)
• M20: 24,948,586 km (0.034 R)
• M21: 31,106,334 km (0.119 R)
• M22: 33,681,811 km (0.101 R)
• M23: 34,535,267 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 10.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.54 AU - 6.52 AU

Year: 8531 Days

Day: 12.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,778,345 km

• M1: 133,740 km (0.115 R)
• M2: 557,551 km (0.099 R)
• M3: 1,110,764 km (0.119 R)
• M4: 2,312,783 km (0.102 R)
• M5: 3,548,611 km (0.114 R)
• M6: 4,810,170 km (0.063 R)
• M7: 6,006,953 km (0.101 R)
• M8: 7,457,005 km (0.089 R)
• M9: 8,474,420 km (0.093 R)
• M10: 9,659,086 km (0.115 R)
• M11: 13,386,765 km (0.088 R)
• M12: 14,023,155 km (0.115 R)
• M13: 15,462,586 km (0.071 R)
• M14: 18,333,518 km (0.067 R)
• M15: 20,691,330 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.1

Radius: 5.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.3 AU - 11.02 AU

Year: 22832 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,778,345 km

• M1: 287,378 km (0.103 R)
• M2: 980,464 km (0.102 R)
• M3: 1,219,821 km (0.115 R)
• M4: 3,076,181 km (0.051 R)
• M5: 5,276,466 km (0.086 R)
• M6: 5,982,419 km (0.063 R)
• M7: 8,995,320 km (0.099 R)
• M8: 10,237,880 km (0.041 R)
• M9: 10,431,310 km (0.057 R)
• M10: 25,327,069 km (0.102 R)
• M11: 27,130,471 km (0.059 R)
• M12: 32,527,813 km (0.076 R)
• M13: 35,091,771 km (0.057 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 19,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit