🌌 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: 12.4

Radius: 12.9

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 6.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 61,751,244 km

• M1: 165,006 km (0.119 R)
• M2: 635,791 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.4

Radius: 10.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.68 AU - 0.94 AU

Year: 494 Days

Day: 8.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,751,244 km

• M1: 129,402 km (0.116 R)
• M2: 470,037 km (0.084 R)
• M3: 802,443 km (0.047 R)
• M4: 1,136,345 km (0.093 R)
• M5: 1,508,545 km (0.075 R)
• M6: 1,985,613 km (0.045 R)
• M7: 2,445,028 km (0.114 R)
• M8: 3,087,401 km (0.119 R)
• M9: 3,499,543 km (0.09 R)
• M10: 4,060,086 km (0.116 R)
• M11: 4,679,721 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.3

Radius: 8.5

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.11 AU - 1.79 AU

Year: 1184 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,751,244 km

• M1: 105,766 km (0.074 R)
• M2: 435,629 km (0.079 R)
• M3: 1,097,899 km (0.045 R)
• M4: 3,023,971 km (0.112 R)
• M5: 3,292,051 km (0.054 R)
• M6: 3,942,053 km (0.099 R)
• M7: 4,730,434 km (0.109 R)
• M8: 5,191,944 km (0.109 R)
• M9: 5,789,438 km (0.107 R)
• M10: 6,227,610 km (0.102 R)
• M11: 6,901,997 km (0.118 R)
• M12: 7,269,559 km (0.112 R)
• M13: 7,624,255 km (0.076 R)
• M14: 8,204,994 km (0.086 R)
• M15: 8,871,902 km (0.102 R)
• M16: 9,395,494 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 8.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.62 AU - 2.04 AU

Year: 1679 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,751,244 km

• M1: 105,766 km (0.105 R)
• M2: 563,535 km (0.082 R)
• M3: 833,559 km (0.096 R)
• M4: 1,472,492 km (0.1 R)
• M5: 1,757,476 km (0.104 R)
• M6: 2,857,469 km (0.032 R)
• M7: 4,220,754 km (0.103 R)
• M8: 4,996,120 km (0.113 R)
• M9: 6,565,402 km (0.112 R)
• M10: 11,207,274 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.5

Radius: 12.1

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.28 AU - 3.18 AU

Year: 3059 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,751,244 km

• M1: 150,495 km (0.052 R)
• M2: 576,999 km (0.055 R)
• M3: 1,114,953 km (0.045 R)
• M4: 2,005,808 km (0.091 R)
• M5: 2,583,705 km (0.095 R)
• M6: 2,962,337 km (0.044 R)
• M7: 3,544,273 km (0.077 R)
• M8: 4,055,449 km (0.081 R)
• M9: 4,891,252 km (0.104 R)
• M10: 5,577,906 km (0.078 R)
• M11: 6,161,787 km (0.084 R)
• M12: 6,874,471 km (0.094 R)
• M13: 7,769,216 km (0.098 R)
• M14: 8,740,106 km (0.11 R)
• M15: 9,236,921 km (0.035 R)
• M16: 11,249,461 km (0.112 R)
• M17: 12,183,400 km (0.106 R)
• M18: 15,194,805 km (0.114 R)
• M19: 16,710,381 km (0.118 R)
• M20: 17,421,570 km (0.094 R)
• M21: 20,718,108 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.1

Radius: 13.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3 AU - 3.64 AU

Year: 4103 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 120.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,751,244 km

• M1: 164,258 km (0.081 R)
• M2: 1,124,976 km (0.094 R)
• M3: 1,757,177 km (0.085 R)
• M4: 2,478,986 km (0.115 R)
• M5: 3,780,637 km (0.073 R)
• M6: 4,478,212 km (0.08 R)
• M7: 5,366,824 km (0.07 R)
• M8: 6,061,257 km (0.085 R)
• M9: 10,536,926 km (0.105 R)
• M10: 11,196,503 km (0.101 R)
• M11: 11,627,195 km (0.112 R)
• M12: 12,752,770 km (0.067 R)
• M13: 13,583,038 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.8

Radius: 7.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.56 AU - 7.06 AU

Year: 10751 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,751,244 km

• M1: 88,263 km (0.095 R)
• M2: 392,096 km (0.088 R)
• M3: 681,717 km (0.063 R)
• M4: 1,184,366 km (0.08 R)
• M5: 1,523,654 km (0.102 R)
• M6: 1,784,703 km (0.064 R)
• M7: 2,153,461 km (0.06 R)
• M8: 2,829,494 km (0.111 R)
• M9: 3,063,764 km (0.118 R)
• M10: 4,134,137 km (0.117 R)
• M11: 4,835,901 km (0.105 R)
• M12: 5,405,121 km (0.054 R)
• M13: 5,736,630 km (0.065 R)
• M14: 12,173,228 km (0.119 R)
• M15: 12,691,135 km (0.063 R)
• M16: 13,605,029 km (0.102 R)
• M17: 14,219,278 km (0.096 R)
• M18: 14,677,645 km (0.114 R)
• M19: 16,297,192 km (0.108 R)
• M20: 16,926,251 km (0.118 R)
• M21: 19,255,640 km (0.118 R)
• M22: 20,172,674 km (0.117 R)
• M23: 21,118,432 km (0.079 R)
• M24: 21,639,930 km (0.113 R)
• M25: 23,811,643 km (0.097 R)
• M26: 25,954,483 km (0.079 R)
• M27: 27,072,727 km (0.074 R)
• M28: 28,133,076 km (0.062 R)
• M29: 32,652,428 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.6

Radius: 4.8

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 9.15 AU - 11.99 AU

Year: 23308 Days

Day: 18.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,751,244 km

• M1: 59,989 km (0.081 R)
• M2: 272,119 km (0.053 R)
• M3: 444,006 km (0.114 R)
• M4: 1,035,217 km (0.051 R)
• M5: 1,399,488 km (0.105 R)
• M6: 1,897,499 km (0.117 R)
• M7: 3,084,259 km (0.111 R)
• M8: 4,437,222 km (0.096 R)
• M9: 4,998,962 km (0.077 R)
• M10: 5,947,712 km (0.103 R)
• M11: 7,141,354 km (0.071 R)
• M12: 8,004,832 km (0.113 R)
• M13: 8,195,121 km (0.104 R)
• M14: 8,986,643 km (0.081 R)
• M15: 9,773,827 km (0.047 R)
• M16: 11,127,538 km (0.094 R)
• M17: 11,605,204 km (0.119 R)
• M18: 12,537,498 km (0.073 R)
• M19: 13,585,880 km (0.11 R)
• M20: 14,479,728 km (0.082 R)
• M21: 19,543,167 km (0.076 R)
• M22: 20,325,863 km (0.049 R)
• M23: 23,085,943 km (0.064 R)
• M24: 32,602,911 km (0.077 R)
• M25: 33,210,727 km (0.057 R)
• M26: 34,323,885 km (0.118 R)
• M27: 34,952,944 km (0.053 R)
• M28: 38,214,028 km (0.096 R)
• M29: 40,265,015 km (0.026 R)
• M30: 41,388,196 km (0.09 R)
• M31: 44,287,402 km (0.111 R)
• M32: 47,474,286 km (0.064 R)
• M33: 52,121,693 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 18,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit