🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 13.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.52 AU - 0.64 AU

Year: 300 Days

Day: 5.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,117,583 km

• M1: 162,912 km (0.088 R)
• M2: 605,572 km (0.099 R)
• M3: 1,203,365 km (0.056 R)
• M4: 1,700,479 km (0.096 R)
• M5: 2,128,329 km (0.108 R)
• M6: 2,790,449 km (0.034 R)
• M7: 3,327,655 km (0.079 R)
• M8: 4,502,597 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 11

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.52 AU - 0.64 AU

Year: 300 Days

Day: 13.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,117,583 km

• M1: 136,732 km (0.109 R)
• M2: 511,475 km (0.072 R)
• M3: 901,926 km (0.102 R)
• M4: 1,360,443 km (0.091 R)
• M5: 1,980,676 km (0.096 R)
• M6: 2,396,109 km (0.109 R)
• M7: 3,061,520 km (0.118 R)
• M8: 3,738,301 km (0.036 R)
• M9: 4,365,116 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.1

Radius: 12.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.56 AU - 0.66 AU

Year: 323 Days

Day: 8.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,117,583 km

• M1: 157,975 km (0.117 R)
• M2: 713,582 km (0.041 R)
• M3: 1,147,864 km (0.084 R)
• M4: 1,711,250 km (0.094 R)
• M5: 2,193,853 km (0.041 R)
• M6: 2,657,457 km (0.097 R)
• M7: 3,300,877 km (0.096 R)
• M8: 3,832,249 km (0.099 R)
• M9: 4,420,318 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.7

Radius: 9.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.66 AU - 0.68 AU

Year: 372 Days

Day: 9.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,117,583 km

• M1: 123,269 km (0.109 R)
• M2: 449,691 km (0.087 R)
• M3: 782,846 km (0.113 R)
• M4: 1,202,916 km (0.113 R)
• M5: 1,897,649 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.8

Radius: 9.3

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.67 AU - 0.97 AU

Year: 504 Days

Day: 5.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,117,583 km

• M1: 115,639 km (0.059 R)
• M2: 422,913 km (0.043 R)
• M3: 823,985 km (0.114 R)
• M4: 1,461,571 km (0.114 R)
• M5: 1,822,102 km (0.115 R)
• M6: 2,194,152 km (0.088 R)
• M7: 2,511,299 km (0.115 R)
• M8: 3,314,341 km (0.067 R)
• M9: 3,831,052 km (0.089 R)
• M10: 4,618,535 km (0.115 R)
• M11: 5,763,557 km (0.084 R)
• M12: 6,139,646 km (0.083 R)
• M13: 6,432,260 km (0.091 R)
• M14: 6,837,071 km (0.119 R)
• M15: 7,280,330 km (0.1 R)

Asteroid Belt

Center: 1.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769

Radius: 12.9

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.64 AU - 1.92 AU

Year: 1611 Days

Day: 10.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,117,583 km

• M1: 160,369 km (0.084 R)
• M2: 612,005 km (0.064 R)
• M3: 1,203,066 km (0.111 R)
• M4: 1,617,602 km (0.101 R)
• M5: 2,106,787 km (0.072 R)
• M6: 2,613,924 km (0.089 R)
• M7: 3,186,883 km (0.088 R)
• M8: 4,567,373 km (0.083 R)
• M9: 5,447,906 km (0.072 R)
• M10: 6,095,515 km (0.117 R)
• M11: 10,237,431 km (0.103 R)
• M12: 12,199,258 km (0.072 R)
• M13: 13,026,085 km (0.096 R)
• M14: 13,432,692 km (0.116 R)
• M15: 14,703,975 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.1

Radius: 14

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.48 AU - 2.86 AU

Year: 2959 Days

Day: 7.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,117,583 km

• M1: 174,132 km (0.081 R)
• M2: 848,370 km (0.113 R)
• M3: 2,137,754 km (0.094 R)
• M4: 3,168,632 km (0.114 R)
• M5: 4,153,286 km (0.105 R)
• M6: 5,754,880 km (0.105 R)
• M7: 7,314,588 km (0.072 R)
• M8: 7,971,323 km (0.097 R)
• M9: 8,956,574 km (0.029 R)
• M10: 9,864,484 km (0.078 R)
• M11: 10,708,365 km (0.108 R)
• M12: 11,996,852 km (0.088 R)
• M13: 12,540,341 km (0.117 R)
• M14: 14,370,820 km (0.093 R)
• M15: 15,508,811 km (0.099 R)
• M16: 16,318,585 km (0.06 R)
• M17: 16,817,942 km (0.115 R)
• M18: 19,100,507 km (0.094 R)
• M19: 20,862,021 km (0.091 R)
• M20: 23,492,850 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.9

Radius: 9.5

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.94 AU - 4.04 AU

Year: 5406 Days

Day: 12.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,117,583 km

• M1: 118,182 km (0.088 R)
• M2: 651,349 km (0.113 R)
• M3: 972,087 km (0.08 R)
• M4: 1,679,984 km (0.043 R)
• M5: 2,056,223 km (0.098 R)
• M6: 2,387,283 km (0.097 R)
• M7: 4,283,286 km (0.102 R)
• M8: 4,855,199 km (0.095 R)
• M9: 5,447,906 km (0.062 R)
• M10: 5,838,506 km (0.049 R)
• M11: 6,312,282 km (0.062 R)
• M12: 6,949,120 km (0.105 R)
• M13: 7,702,196 km (0.111 R)
• M14: 9,201,765 km (0.082 R)
• M15: 9,888,120 km (0.103 R)
• M16: 10,243,864 km (0.033 R)
• M17: 11,459,646 km (0.109 R)
• M18: 12,254,160 km (0.09 R)
• M19: 13,787,089 km (0.116 R)
• M20: 15,149,178 km (0.097 R)
• M21: 15,862,909 km (0.036 R)
• M22: 16,661,313 km (0.096 R)
• M23: 18,338,006 km (0.106 R)
• M24: 20,195,413 km (0.112 R)
• M25: 21,501,253 km (0.076 R)
• M26: 23,880,757 km (0.064 R)
• M27: 27,727,217 km (0.098 R)
• M28: 32,943,695 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.3

Radius: 4.2

Gravity: 43.27 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.31 AU - 7.27 AU

Year: 12000 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,117,583 km

• M1: 53,257 km (0.105 R)
• M2: 245,191 km (0.064 R)
• M3: 594,053 km (0.087 R)
• M4: 789,129 km (0.118 R)
• M5: 1,520,962 km (0.069 R)
• M6: 1,674,449 km (0.09 R)
• M7: 3,080,370 km (0.091 R)
• M8: 3,455,262 km (0.091 R)
• M9: 3,832,099 km (0.06 R)
• M10: 4,603,725 km (0.049 R)
• M11: 6,688,670 km (0.101 R)
• M12: 6,893,619 km (0.112 R)
• M13: 10,655,258 km (0.111 R)
• M14: 12,840,733 km (0.061 R)
• M15: 16,317,837 km (0.107 R)
• M16: 29,737,514 km (0.104 R)
• M17: 30,514,674 km (0.041 R)
• M18: 36,464,481 km (0.104 R)
• M19: 44,281,568 km (0.08 R)
• M20: 45,294,346 km (0.03 R)
• M21: 48,578,019 km (0.069 R)
• M22: 52,982,180 km (0.082 R)
• M23: 55,280,752 km (0.031 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: 272 - 12,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit