🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.4

Radius: 10.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.94 AU - 2.1 AU

Year: 1947 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 129.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 25,484,699 km

• M1: 134,937 km (0.092 R)
• M2: 714,779 km (0.113 R)
• M3: 1,301,501 km (0.092 R)
• M4: 4,578,443 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.1

Radius: 8.9

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.62 AU - 2.6 AU

Year: 2079 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,484,699 km

• M1: 111,600 km (0.029 R)
• M2: 521,199 km (0.093 R)
• M3: 1,001,558 km (0.081 R)
• M4: 1,789,939 km (0.066 R)
• M5: 2,699,942 km (0.112 R)
• M6: 3,033,546 km (0.106 R)
• M7: 3,362,063 km (0.107 R)
• M8: 4,091,053 km (0.075 R)
• M9: 5,355,005 km (0.086 R)
• M10: 6,322,754 km (0.115 R)
• M11: 7,182,942 km (0.053 R)
• M12: 7,598,824 km (0.043 R)
• M13: 8,818,196 km (0.075 R)
• M14: 9,722,665 km (0.066 R)
• M15: 10,405,729 km (0.095 R)
• M16: 10,687,721 km (0.114 R)
• M17: 11,157,009 km (0.045 R)
• M18: 11,791,304 km (0.047 R)
• M19: 13,881,186 km (0.057 R)
• M20: 14,180,233 km (0.101 R)
• M21: 14,570,982 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.8

Radius: 13.1

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.77 AU - 3.23 AU

Year: 3524 Days

Day: 14.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,484,699 km

• M1: 174,282 km (0.102 R)
• M2: 868,416 km (0.029 R)
• M3: 1,362,687 km (0.077 R)
• M4: 2,532,094 km (0.039 R)
• M5: 3,068,402 km (0.117 R)
• M6: 4,023,734 km (0.085 R)
• M7: 5,303,544 km (0.048 R)
• M8: 6,037,770 km (0.065 R)
• M9: 10,149,916 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.8

Radius: 10

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.11 AU - 3.55 AU

Year: 4122 Days

Day: 14.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,484,699 km

• M1: 124,316 km (0.103 R)
• M2: 457,021 km (0.091 R)
• M3: 907,760 km (0.081 R)
• M4: 1,222,663 km (0.07 R)
• M5: 1,624,334 km (0.095 R)
• M6: 2,201,781 km (0.074 R)
• M7: 2,839,218 km (0.111 R)
• M8: 4,077,888 km (0.095 R)
• M9: 5,731,842 km (0.052 R)
• M10: 6,146,378 km (0.118 R)
• M11: 6,838,119 km (0.118 R)
• M12: 7,936,017 km (0.087 R)
• M13: 8,717,816 km (0.074 R)
• M14: 11,511,107 km (0.108 R)
• M15: 13,059,745 km (0.087 R)
• M16: 14,579,060 km (0.044 R)
• M17: 15,073,631 km (0.1 R)
• M18: 17,592,859 km (0.059 R)
• M19: 19,840,866 km (0.057 R)
• M20: 23,449,616 km (0.114 R)
• M21: 23,976,948 km (0.049 R)
• M22: 24,977,010 km (0.053 R)
• M23: 25,447,944 km (0.109 R)
• M24: 26,084,932 km (0.099 R)
• M25: 26,488,397 km (0.073 R)
• M26: 28,059,923 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 8.1

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.56 AU - 4 AU

Year: 4985 Days

Day: 5.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,484,699 km

• M1: 102,325 km (0.083 R)
• M2: 552,914 km (0.043 R)
• M3: 823,835 km (0.113 R)
• M4: 2,549,896 km (0.082 R)
• M5: 5,584,489 km (0.077 R)
• M6: 6,520,822 km (0.075 R)
• M7: 7,449,824 km (0.099 R)
• M8: 10,627,134 km (0.079 R)
• M9: 12,258,798 km (0.058 R)
• M10: 21,182,311 km (0.117 R)
• M11: 22,290,382 km (0.103 R)
• M12: 25,187,943 km (0.079 R)
• M13: 26,769,342 km (0.117 R)
• M14: 29,039,191 km (0.038 R)
• M15: 31,434,103 km (0.095 R)
• M16: 31,813,932 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 10.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.35 AU - 5.01 AU

Year: 5796 Days

Day: 9.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 175.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,484,699 km

• M1: 133,142 km (0.089 R)
• M2: 1,295,966 km (0.056 R)
• M3: 3,368,495 km (0.11 R)
• M4: 5,404,522 km (0.082 R)
• M5: 7,612,288 km (0.066 R)
• M6: 8,080,379 km (0.119 R)
• M7: 16,457,860 km (0.075 R)
• M8: 17,549,925 km (0.1 R)
• M9: 18,113,759 km (0.066 R)
• M10: 18,689,561 km (0.077 R)
• M11: 20,216,806 km (0.111 R)
• M12: 26,749,146 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 14.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.86 AU - 5.68 AU

Year: 7066 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,484,699 km

• M1: 180,265 km (0.099 R)
• M2: 690,245 km (0.066 R)
• M3: 2,250,102 km (0.118 R)
• M4: 2,966,227 km (0.073 R)
• M5: 3,600,222 km (0.09 R)
• M6: 5,118,491 km (0.105 R)
• M7: 7,180,997 km (0.103 R)
• M8: 7,709,676 km (0.064 R)
• M9: 8,365,064 km (0.118 R)
• M10: 12,042,928 km (0.1 R)
• M11: 16,100,321 km (0.034 R)
• M12: 16,684,651 km (0.115 R)
• M13: 18,350,572 km (0.101 R)
• M14: 19,521,325 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.2

Radius: 9.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.61 AU - 5.35 AU

Year: 7538 Days

Day: 14.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,484,699 km

• M1: 116,986 km (0.112 R)
• M2: 489,933 km (0.102 R)
• M3: 894,745 km (0.099 R)
• M4: 1,195,287 km (0.114 R)
• M5: 1,969,606 km (0.09 R)
• M6: 2,322,357 km (0.027 R)
• M7: 3,250,014 km (0.036 R)
• M8: 3,850,948 km (0.079 R)
• M9: 5,015,418 km (0.033 R)
• M10: 6,520,672 km (0.084 R)
• M11: 9,985,359 km (0.08 R)
• M12: 10,313,427 km (0.11 R)
• M13: 10,776,133 km (0.055 R)
• M14: 11,385,146 km (0.108 R)
• M15: 12,576,843 km (0.04 R)
• M16: 16,421,657 km (0.102 R)
• M17: 16,821,682 km (0.046 R)
• M18: 17,700,719 km (0.081 R)
• M19: 19,423,040 km (0.093 R)
• M20: 21,389,354 km (0.046 R)
• M21: 23,701,688 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 12,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit