🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 8.9

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.43 AU - 0.59 AU

Year: 251 Days

Day: 14.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,195,946 km

• M1: 113,096 km (0.05 R)
• M2: 419,024 km (0.095 R)
• M3: 704,307 km (0.098 R)
• M4: 1,106,875 km (0.086 R)
• M5: 1,447,359 km (0.108 R)
• M6: 2,237,236 km (0.104 R)
• M7: 2,586,697 km (0.11 R)
• M8: 3,164,294 km (0.117 R)
• M9: 3,561,626 km (0.099 R)
• M10: 3,896,127 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.7

Radius: 11.3

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.6 AU - 0.64 AU

Year: 337 Days

Day: 10.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,195,946 km

• M1: 140,472 km (0.082 R)
• M2: 501,751 km (0.108 R)
• M3: 920,476 km (0.077 R)
• M4: 1,552,975 km (0.044 R)
• M5: 2,094,071 km (0.079 R)
• M6: 3,220,842 km (0.111 R)
• M7: 3,881,466 km (0.113 R)
• M8: 4,478,661 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.8

Radius: 14

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.9 AU - 1.14 AU

Year: 711 Days

Day: 13.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,195,946 km

• M1: 174,282 km (0.084 R)
• M2: 685,158 km (0.11 R)
• M3: 1,127,669 km (0.101 R)
• M4: 1,623,586 km (0.118 R)
• M5: 2,147,477 km (0.032 R)
• M6: 2,754,246 km (0.12 R)
• M7: 3,545,619 km (0.065 R)
• M8: 4,221,502 km (0.119 R)
• M9: 5,355,903 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.4

Radius: 14.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.06 AU - 1.6 AU

Year: 1059 Days

Day: 7.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,195,946 km

• M1: 185,053 km (0.114 R)
• M2: 670,647 km (0.104 R)
• M3: 1,160,879 km (0.096 R)
• M4: 1,758,373 km (0.114 R)
• M5: 2,731,358 km (0.104 R)
• M6: 3,519,140 km (0.064 R)
• M7: 4,519,950 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.3

Radius: 12.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.15 AU - 2.65 AU

Year: 2566 Days

Day: 5.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,195,946 km

• M1: 157,975 km (0.096 R)
• M2: 575,353 km (0.116 R)
• M3: 1,316,461 km (0.109 R)
• M4: 1,839,455 km (0.06 R)
• M5: 2,622,301 km (0.114 R)
• M6: 3,076,031 km (0.072 R)
• M7: 3,810,707 km (0.043 R)
• M8: 5,444,615 km (0.091 R)
• M9: 6,265,308 km (0.12 R)
• M10: 6,947,176 km (0.087 R)
• M11: 7,419,456 km (0.035 R)
• M12: 8,366,710 km (0.114 R)
• M13: 10,322,851 km (0.104 R)
• M14: 10,975,996 km (0.072 R)
• M15: 12,730,330 km (0.106 R)
• M16: 13,186,155 km (0.088 R)
• M17: 15,304,610 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.4

Radius: 4.1

Gravity: 30.42 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.47 AU - 5.63 AU

Year: 9025 Days

Day: 15.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,195,946 km

• M1: 54,154 km (0.049 R)
• M2: 246,687 km (0.064 R)
• M3: 625,768 km (0.063 R)
• M4: 941,270 km (0.097 R)
• M5: 1,392,457 km (0.119 R)
• M6: 1,865,485 km (0.094 R)
• M7: 2,072,230 km (0.107 R)
• M8: 2,207,017 km (0.108 R)
• M9: 2,550,644 km (0.084 R)
• M10: 2,970,864 km (0.073 R)
• M11: 3,625,056 km (0.114 R)
• M12: 5,151,253 km (0.1 R)
• M13: 5,526,594 km (0.052 R)
• M14: 6,402,041 km (0.109 R)
• M15: 6,725,471 km (0.119 R)
• M16: 7,173,667 km (0.113 R)
• M17: 10,048,190 km (0.113 R)
• M18: 10,583,750 km (0.086 R)
• M19: 12,413,931 km (0.086 R)
• M20: 14,323,248 km (0.083 R)
• M21: 14,938,395 km (0.081 R)
• M22: 15,189,270 km (0.113 R)
• M23: 16,155,224 km (0.091 R)
• M24: 16,619,725 km (0.088 R)
• M25: 16,956,919 km (0.115 R)
• M26: 19,820,820 km (0.1 R)
• M27: 20,894,783 km (0.083 R)
• M28: 21,287,478 km (0.1 R)
• M29: 21,446,052 km (0.108 R)
• M30: 22,495,331 km (0.094 R)
• M31: 23,241,675 km (0.12 R)
• M32: 23,748,213 km (0.075 R)
• M33: 24,348,400 km (0.112 R)
• M34: 28,643,205 km (0.095 R)
• M35: 34,169,799 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.4

Radius: 4.1

Gravity: 39.46 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.32 AU - 7.68 AU

Year: 11439 Days

Day: 19.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,195,946 km

• M1: 71,957 km (0.115 R)
• M2: 222,452 km (0.078 R)
• M3: 517,309 km (0.105 R)
• M4: 1,048,382 km (0.114 R)
• M5: 1,275,920 km (0.067 R)
• M6: 1,464,114 km (0.07 R)
• M7: 3,317,931 km (0.079 R)
• M8: 4,345,818 km (0.107 R)
• M9: 4,932,092 km (0.069 R)
• M10: 5,194,188 km (0.084 R)
• M11: 5,962,672 km (0.108 R)
• M12: 7,005,967 km (0.113 R)
• M13: 8,532,015 km (0.093 R)
• M14: 12,460,755 km (0.087 R)
• M15: 13,194,083 km (0.071 R)
• M16: 13,381,978 km (0.114 R)
• M17: 14,546,149 km (0.115 R)
• M18: 14,746,461 km (0.107 R)
• M19: 14,948,717 km (0.099 R)
• M20: 18,285,797 km (0.104 R)
• M21: 22,441,027 km (0.117 R)
• M22: 25,406,206 km (0.1 R)
• M23: 27,386,284 km (0.052 R)
• M24: 32,552,945 km (0.075 R)
• M25: 34,409,754 km (0.107 R)
• M26: 34,765,648 km (0.036 R)
• M27: 36,828,602 km (0.084 R)
• M28: 38,079,390 km (0.09 R)
• M29: 40,797,883 km (0.106 R)
• M30: 44,339,163 km (0.038 R)
• M31: 45,042,872 km (0.107 R)
• M32: 46,328,217 km (0.074 R)
• M33: 48,376,062 km (0.09 R)
• M34: 49,271,854 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.5

Radius: 3.7

Gravity: 52.78 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.93 AU - 7.49 AU

Year: 13363 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,195,946 km

• M1: 50,414 km (0.111 R)
• M2: 208,390 km (0.043 R)
• M3: 341,831 km (0.106 R)
• M4: 498,311 km (0.085 R)
• M5: 675,883 km (0.073 R)
• M6: 1,675,197 km (0.081 R)
• M7: 2,370,827 km (0.081 R)
• M8: 3,803,227 km (0.114 R)
• M9: 4,063,377 km (0.12 R)
• M10: 4,397,130 km (0.042 R)
• M11: 5,765,951 km (0.117 R)
• M12: 6,546,702 km (0.115 R)
• M13: 6,794,137 km (0.074 R)
• M14: 8,654,237 km (0.048 R)
• M15: 10,378,203 km (0.044 R)
• M16: 10,601,552 km (0.071 R)
• M17: 13,737,722 km (0.081 R)
• M18: 14,211,349 km (0.103 R)
• M19: 15,334,829 km (0.074 R)
• M20: 16,215,212 km (0.118 R)
• M21: 16,744,041 km (0.066 R)
• M22: 19,224,972 km (0.047 R)
• M23: 19,561,866 km (0.101 R)
• M24: 20,949,237 km (0.065 R)
• M25: 21,216,419 km (0.087 R)
• M26: 22,215,733 km (0.079 R)
• M27: 23,436,601 km (0.053 R)
• M28: 29,878,734 km (0.12 R)
• M29: 30,787,391 km (0.078 R)
• M30: 33,623,318 km (0.069 R)
• M31: 39,944,127 km (0.117 R)
• M32: 43,310,229 km (0.063 R)
• M33: 45,062,020 km (0.118 R)
• M34: 45,210,122 km (0.088 R)
• M35: 45,507,223 km (0.086 R)
• M36: 55,717,428 km (0.12 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: 323 - 14,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit