🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.2

Radius: 12.4

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.53 AU - 0.59 AU

Year: 284 Days

Day: 12.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,961,831 km

• M1: 155,432 km (0.106 R)
• M2: 569,968 km (0.098 R)
• M3: 1,074,412 km (0.043 R)
• M4: 1,753,137 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.2

Radius: 14.1

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.34 AU - 2.04 AU

Year: 1490 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,961,831 km

• M1: 176,226 km (0.097 R)
• M2: 695,481 km (0.096 R)
• M3: 1,515,726 km (0.111 R)
• M4: 1,956,291 km (0.056 R)
• M5: 2,423,635 km (0.069 R)
• M6: 2,952,464 km (0.103 R)
• M7: 3,495,653 km (0.089 R)
• M8: 4,246,485 km (0.106 R)
• M9: 6,539,671 km (0.11 R)
• M10: 7,602,564 km (0.073 R)
• M11: 8,288,171 km (0.076 R)
• M12: 10,135,106 km (0.118 R)
• M13: 11,035,087 km (0.076 R)
• M14: 12,353,942 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 12.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.97 AU - 2.63 AU

Year: 2366 Days

Day: 7 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,961,831 km

• M1: 159,322 km (0.096 R)
• M2: 718,668 km (0.089 R)
• M3: 1,554,771 km (0.104 R)
• M4: 2,059,663 km (0.117 R)
• M5: 3,662,156 km (0.054 R)
• M6: 4,148,947 km (0.115 R)
• M7: 5,088,123 km (0.118 R)
• M8: 6,031,637 km (0.112 R)
• M9: 6,971,859 km (0.116 R)
• M10: 8,629,254 km (0.109 R)
• M11: 9,932,850 km (0.099 R)
• M12: 10,729,010 km (0.03 R)
• M13: 11,773,203 km (0.115 R)
• M14: 12,578,339 km (0.051 R)
• M15: 14,727,761 km (0.087 R)
• M16: 16,068,008 km (0.115 R)
• M17: 18,479,975 km (0.116 R)
• M18: 19,451,014 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.2

Radius: 11.3

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.2 AU - 3.82 AU

Year: 4460 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,961,831 km

• M1: 140,472 km (0.088 R)
• M2: 901,028 km (0.083 R)
• M3: 1,558,511 km (0.082 R)
• M4: 1,931,757 km (0.11 R)
• M5: 2,514,890 km (0.077 R)
• M6: 2,940,795 km (0.102 R)
• M7: 3,518,991 km (0.076 R)
• M8: 6,704,977 km (0.103 R)
• M9: 7,238,443 km (0.116 R)
• M10: 9,145,217 km (0.096 R)
• M11: 10,601,851 km (0.117 R)
• M12: 11,602,362 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.2

Radius: 12.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.22 AU - 4.76 AU

Year: 5406 Days

Day: 8.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,961,831 km

• M1: 151,094 km (0.101 R)
• M2: 673,190 km (0.102 R)
• M3: 2,066,246 km (0.105 R)
• M4: 3,103,258 km (0.114 R)
• M5: 3,747,127 km (0.09 R)
• M6: 5,344,384 km (0.106 R)
• M7: 5,817,562 km (0.11 R)
• M8: 9,797,165 km (0.094 R)
• M9: 11,889,141 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.4

Radius: 9.3

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.83 AU - 5.01 AU

Year: 6303 Days

Day: 10.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 22,961,831 km

• M1: 115,639 km (0.113 R)
• M2: 637,287 km (0.087 R)
• M3: 1,178,233 km (0.115 R)
• M4: 1,794,127 km (0.071 R)
• M5: 2,507,560 km (0.089 R)
• M6: 2,977,446 km (0.09 R)
• M7: 3,505,228 km (0.087 R)
• M8: 4,263,689 km (0.11 R)
• M9: 6,010,094 km (0.074 R)
• M10: 6,685,828 km (0.112 R)
• M11: 7,848,951 km (0.083 R)
• M12: 8,459,311 km (0.06 R)
• M13: 10,435,798 km (0.072 R)
• M14: 10,800,517 km (0.072 R)
• M15: 12,599,432 km (0.039 R)
• M16: 13,922,775 km (0.08 R)
• M17: 15,103,999 km (0.115 R)
• M18: 18,314,669 km (0.103 R)
• M19: 19,183,384 km (0.102 R)
• M20: 20,360,270 km (0.064 R)
• M21: 22,478,127 km (0.068 R)
• M22: 23,473,551 km (0.084 R)
• M23: 24,259,090 km (0.094 R)
• M24: 26,299,455 km (0.079 R)
• M25: 26,975,937 km (0.059 R)
• M26: 27,924,836 km (0.07 R)
• M27: 29,706,996 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.3

Radius: 14.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.96 AU - 4.98 AU

Year: 6410 Days

Day: 6.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,961,831 km

• M1: 180,265 km (0.092 R)
• M2: 648,656 km (0.094 R)
• M3: 1,645,577 km (0.112 R)
• M4: 2,098,858 km (0.062 R)
• M5: 3,027,412 km (0.066 R)
• M6: 4,808,375 km (0.071 R)
• M7: 5,786,745 km (0.067 R)
• M8: 6,389,325 km (0.048 R)
• M9: 7,245,773 km (0.093 R)
• M10: 9,399,683 km (0.11 R)
• M11: 9,877,199 km (0.046 R)
• M12: 11,023,119 km (0.113 R)
• M13: 11,505,722 km (0.088 R)
• M14: 14,021,808 km (0.109 R)
• M15: 18,053,770 km (0.118 R)
• M16: 18,793,681 km (0.108 R)
• M17: 22,033,522 km (0.049 R)
• M18: 24,227,674 km (0.077 R)
• M19: 26,221,365 km (0.084 R)
• M20: 26,823,048 km (0.03 R)
• M21: 28,683,148 km (0.055 R)
• M22: 31,875,267 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.4

Radius: 5.4

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.94 AU - 7.1 AU

Year: 12615 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,961,831 km

• M1: 67,319 km (0.091 R)
• M2: 365,318 km (0.059 R)
• M3: 943,065 km (0.117 R)
• M4: 2,378,157 km (0.086 R)
• M5: 3,778,543 km (0.11 R)
• M6: 4,139,971 km (0.107 R)
• M7: 8,805,480 km (0.107 R)
• M8: 9,255,770 km (0.076 R)
• M9: 11,263,972 km (0.099 R)
• M10: 13,020,251 km (0.118 R)
• M11: 13,251,978 km (0.114 R)
• M12: 13,783,200 km (0.09 R)
• M13: 15,014,390 km (0.07 R)
• M14: 15,397,660 km (0.052 R)
• M15: 19,220,334 km (0.105 R)
• M16: 26,115,599 km (0.096 R)
• M17: 27,326,295 km (0.114 R)
• M18: 30,160,876 km (0.028 R)
• M19: 38,151,047 km (0.112 R)
• M20: 40,072,931 km (0.047 R)
• M21: 40,317,673 km (0.12 R)
• M22: 40,933,717 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.1

Radius: 6.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.1 AU - 12.92 AU

Year: 23110 Days

Day: 23.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,961,831 km

• M1: 121,623 km (0.061 R)
• M2: 5,373,406 km (0.027 R)
• M3: 12,283,481 km (0.076 R)
• M4: 19,573,984 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 12,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit