🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.2

Radius: 12.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.53 AU - 0.71 AU

Year: 331 Days

Day: 14.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,177,205 km

• M1: 155,881 km (0.099 R)
• M2: 554,260 km (0.098 R)
• M3: 1,019,360 km (0.07 R)
• M4: 1,474,437 km (0.042 R)
• M5: 2,036,326 km (0.115 R)
• M6: 2,496,639 km (0.075 R)
• M7: 3,271,556 km (0.025 R)
• M8: 3,698,957 km (0.094 R)
• M9: 4,288,971 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.1

Radius: 8

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.74 AU - 0.84 AU

Year: 476 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,177,205 km

• M1: 99,483 km (0.112 R)
• M2: 406,158 km (0.092 R)
• M3: 696,528 km (0.095 R)
• M4: 998,267 km (0.062 R)
• M5: 1,290,581 km (0.065 R)
• M6: 1,647,970 km (0.076 R)
• M7: 1,916,498 km (0.083 R)
• M8: 2,223,623 km (0.118 R)
• M9: 2,512,945 km (0.092 R)
• M10: 3,062,867 km (0.114 R)
• M11: 3,677,714 km (0.05 R)
• M12: 3,931,881 km (0.063 R)
• M13: 4,566,176 km (0.106 R)
• M14: 4,860,435 km (0.091 R)
• M15: 5,435,788 km (0.075 R)
• M16: 5,695,939 km (0.042 R)
• M17: 6,092,523 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.2

Radius: 11.3

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.48 AU - 1.88 AU

Year: 1477 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,177,205 km

• M1: 144,811 km (0.03 R)
• M2: 507,885 km (0.055 R)
• M3: 1,495,829 km (0.038 R)
• M4: 2,528,354 km (0.035 R)
• M5: 3,229,519 km (0.07 R)
• M6: 3,709,728 km (0.113 R)
• M7: 4,073,849 km (0.081 R)
• M8: 4,694,830 km (0.084 R)
• M9: 7,020,179 km (0.058 R)
• M10: 7,417,511 km (0.073 R)
• M11: 8,521,394 km (0.1 R)
• M12: 10,463,174 km (0.111 R)
• M13: 11,410,727 km (0.067 R)
• M14: 11,886,748 km (0.104 R)
• M15: 12,490,973 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 10

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.31 AU - 3.63 AU

Year: 3472 Days

Day: 13.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,177,205 km

• M1: 130,599 km (0.109 R)
• M2: 451,486 km (0.102 R)
• M3: 1,040,154 km (0.103 R)
• M4: 1,595,910 km (0.062 R)
• M5: 2,064,899 km (0.077 R)
• M6: 3,418,012 km (0.114 R)
• M7: 3,807,116 km (0.053 R)
• M8: 4,387,706 km (0.099 R)
• M9: 4,798,352 km (0.103 R)
• M10: 5,586,134 km (0.075 R)
• M11: 7,218,097 km (0.038 R)
• M12: 8,215,466 km (0.106 R)
• M13: 9,301,996 km (0.083 R)
• M14: 10,355,314 km (0.113 R)
• M15: 12,269,120 km (0.106 R)
• M16: 12,601,526 km (0.043 R)
• M17: 13,434,188 km (0.079 R)
• M18: 15,482,632 km (0.092 R)
• M19: 15,983,336 km (0.115 R)
• M20: 17,490,983 km (0.077 R)
• M21: 19,091,231 km (0.05 R)
• M22: 25,078,886 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798

Radius: 8.9

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.07 AU - 4.29 AU

Year: 5796 Days

Day: 11.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,177,205 km

• M1: 110,852 km (0.025 R)
• M2: 434,432 km (0.116 R)
• M3: 1,533,528 km (0.098 R)
• M4: 2,432,461 km (0.099 R)
• M5: 4,073,550 km (0.089 R)
• M6: 5,139,435 km (0.083 R)
• M7: 5,862,591 km (0.07 R)
• M8: 6,248,703 km (0.09 R)
• M9: 7,289,007 km (0.062 R)
• M10: 8,280,392 km (0.094 R)
• M11: 9,359,292 km (0.099 R)
• M12: 10,159,191 km (0.069 R)
• M13: 10,528,997 km (0.085 R)
• M14: 11,493,006 km (0.035 R)
• M15: 13,763,453 km (0.107 R)
• M16: 14,273,881 km (0.099 R)
• M17: 20,679,063 km (0.068 R)
• M18: 21,424,210 km (0.118 R)
• M19: 23,365,392 km (0.062 R)
• M20: 28,772,009 km (0.098 R)
• M21: 32,010,204 km (0.08 R)
• M22: 34,333,459 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.8

Radius: 7.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.9 AU - 6.82 AU

Year: 9621 Days

Day: 20.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,177,205 km

• M1: 96,939 km (0.094 R)
• M2: 481,256 km (0.047 R)
• M3: 755,619 km (0.102 R)
• M4: 1,032,674 km (0.062 R)
• M5: 1,701,825 km (0.078 R)
• M6: 2,231,551 km (0.092 R)
• M7: 3,079,173 km (0.089 R)
• M8: 3,719,003 km (0.098 R)
• M9: 4,192,780 km (0.07 R)
• M10: 4,467,740 km (0.12 R)
• M11: 4,803,887 km (0.075 R)
• M12: 5,130,908 km (0.035 R)
• M13: 6,439,440 km (0.081 R)
• M14: 6,744,321 km (0.12 R)
• M15: 9,503,055 km (0.076 R)
• M16: 11,152,222 km (0.119 R)
• M17: 12,887,557 km (0.084 R)
• M18: 14,900,995 km (0.073 R)
• M19: 15,327,499 km (0.096 R)
• M20: 17,173,536 km (0.056 R)
• M21: 19,922,846 km (0.11 R)
• M22: 21,233,922 km (0.075 R)
• M23: 23,235,840 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.6

Radius: 5.4

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.5 AU - 7 AU

Year: 10598 Days

Day: 24.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,177,205 km

• M1: 67,768 km (0.073 R)
• M2: 278,102 km (0.082 R)
• M3: 589,416 km (0.066 R)
• M4: 951,891 km (0.096 R)
• M5: 1,575,116 km (0.059 R)
• M6: 2,083,898 km (0.099 R)
• M7: 2,361,253 km (0.113 R)
• M8: 2,866,445 km (0.045 R)
• M9: 3,209,922 km (0.072 R)
• M10: 7,538,835 km (0.109 R)
• M11: 8,698,219 km (0.113 R)
• M12: 10,298,018 km (0.111 R)
• M13: 10,886,536 km (0.093 R)
• M14: 11,992,813 km (0.071 R)
• M15: 13,466,052 km (0.057 R)
• M16: 14,529,992 km (0.109 R)
• M17: 15,377,464 km (0.104 R)
• M18: 15,703,588 km (0.06 R)
• M19: 18,726,063 km (0.11 R)
• M20: 19,285,858 km (0.101 R)
• M21: 20,766,877 km (0.092 R)
• M22: 21,299,296 km (0.05 R)
• M23: 22,670,211 km (0.114 R)
• M24: 23,092,675 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133

Radius: 6.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.15 AU - 12.29 AU

Year: 22160 Days

Day: 22.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,177,205 km

• M1: 97,538 km (0.107 R)
• M2: 472,729 km (0.106 R)
• M3: 1,011,431 km (0.113 R)
• M4: 1,318,256 km (0.079 R)
• M5: 1,570,478 km (0.061 R)
• M6: 2,508,906 km (0.12 R)
• M7: 3,053,442 km (0.119 R)
• M8: 7,792,104 km (0.081 R)
• M9: 11,308,103 km (0.025 R)
• M10: 13,746,997 km (0.111 R)
• M11: 14,957,394 km (0.114 R)
• M12: 19,322,809 km (0.074 R)
• M13: 26,624,083 km (0.055 R)
• M14: 30,775,573 km (0.119 R)
• M15: 35,572,279 km (0.062 R)
• M16: 38,208,792 km (0.074 R)
• M17: 41,619,025 km (0.064 R)
• M18: 42,272,170 km (0.12 R)
• M19: 45,640,216 km (0.064 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 12,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit