🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.6

Radius: 12.2

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.51 AU - 0.55 AU

Year: 266 Days

Day: 14 Hours

Environment

Temp: -144 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 27,145,823 km

• M1: 151,692 km (0.075 R)
• M2: 550,221 km (0.081 R)
• M3: 1,119,142 km (0.11 R)
• M4: 2,023,910 km (0.093 R)
• M5: 2,548,101 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 14.4

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.51 AU - 0.63 AU

Year: 297 Days

Day: 6.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,145,823 km

• M1: 179,218 km (0.119 R)
• M2: 634,744 km (0.105 R)
• M3: 1,152,053 km (0.04 R)
• M4: 1,799,812 km (0.114 R)
• M5: 2,650,874 km (0.106 R)
• M6: 3,324,364 km (0.073 R)
• M7: 3,993,964 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.9

Radius: 9.3

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.07 AU - 1.23 AU

Year: 851 Days

Day: 10.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,145,823 km

• M1: 116,686 km (0.104 R)
• M2: 427,850 km (0.099 R)
• M3: 832,213 km (0.109 R)
• M4: 1,124,826 km (0.11 R)
• M5: 1,828,984 km (0.086 R)
• M6: 2,161,390 km (0.094 R)
• M7: 3,842,272 km (0.072 R)
• M8: 5,534,224 km (0.115 R)
• M9: 7,388,489 km (0.078 R)
• M10: 7,697,409 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.6

Radius: 8

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.17 AU - 1.63 AU

Year: 1143 Days

Day: 13.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,145,823 km

• M1: 105,466 km (0.1 R)
• M2: 470,186 km (0.105 R)
• M3: 895,044 km (0.108 R)
• M4: 1,669,363 km (0.108 R)
• M5: 2,340,608 km (0.077 R)
• M6: 2,738,239 km (0.038 R)
• M7: 3,224,133 km (0.067 R)
• M8: 3,914,976 km (0.104 R)
• M9: 6,654,113 km (0.103 R)
• M10: 6,922,193 km (0.106 R)
• M11: 10,141,688 km (0.075 R)
• M12: 10,661,541 km (0.075 R)

Asteroid Belt

Center: 1.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 13.7

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.65 AU - 2.73 AU

Year: 2237 Days

Day: 13.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,145,823 km

• M1: 170,392 km (0.073 R)
• M2: 652,247 km (0.107 R)
• M3: 1,321,248 km (0.112 R)
• M4: 1,968,259 km (0.103 R)
• M5: 2,612,278 km (0.062 R)
• M6: 3,290,704 km (0.119 R)
• M7: 4,225,093 km (0.112 R)
• M8: 4,866,419 km (0.088 R)
• M9: 5,796,917 km (0.119 R)
• M10: 6,535,632 km (0.089 R)
• M11: 7,760,689 km (0.07 R)
• M12: 8,894,341 km (0.052 R)
• M13: 9,412,698 km (0.109 R)
• M14: 10,172,506 km (0.113 R)
• M15: 11,328,448 km (0.118 R)
• M16: 11,855,930 km (0.102 R)
• M17: 12,484,840 km (0.101 R)
• M18: 14,648,025 km (0.066 R)
• M19: 15,177,003 km (0.119 R)
• M20: 19,131,324 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.4

Radius: 14

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.1 AU - 3.24 AU

Year: 3011 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,145,823 km

• M1: 174,431 km (0.087 R)
• M2: 640,877 km (0.073 R)
• M3: 1,507,348 km (0.103 R)
• M4: 2,151,816 km (0.118 R)
• M5: 5,025,441 km (0.101 R)
• M6: 6,009,047 km (0.093 R)
• M7: 7,466,280 km (0.062 R)
• M8: 8,262,290 km (0.091 R)
• M9: 12,354,091 km (0.098 R)
• M10: 12,860,331 km (0.047 R)
• M11: 13,512,577 km (0.113 R)
• M12: 15,700,596 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.1

Radius: 8.3

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.82 AU - 3.02 AU

Year: 3444 Days

Day: 14.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,145,823 km

• M1: 103,372 km (0.06 R)
• M2: 381,175 km (0.089 R)
• M3: 721,211 km (0.032 R)
• M4: 1,000,211 km (0.111 R)
• M5: 2,461,932 km (0.083 R)
• M6: 2,935,559 km (0.063 R)
• M7: 3,430,130 km (0.028 R)
• M8: 4,703,955 km (0.076 R)
• M9: 5,460,921 km (0.116 R)
• M10: 6,123,041 km (0.038 R)
• M11: 6,563,307 km (0.088 R)
• M12: 7,311,596 km (0.115 R)
• M13: 8,255,110 km (0.081 R)
• M14: 8,719,761 km (0.069 R)
• M15: 9,938,235 km (0.113 R)
• M16: 11,440,198 km (0.11 R)
• M17: 13,280,401 km (0.119 R)
• M18: 14,628,727 km (0.096 R)
• M19: 18,849,930 km (0.12 R)
• M20: 20,227,128 km (0.087 R)
• M21: 20,744,288 km (0.119 R)
• M22: 21,670,299 km (0.108 R)
• M23: 23,251,099 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.6

Radius: 9.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.83 AU - 3.71 AU

Year: 4082 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,145,823 km

• M1: 121,025 km (0.096 R)
• M2: 978,520 km (0.105 R)
• M3: 2,372,024 km (0.046 R)
• M4: 3,032,798 km (0.086 R)
• M5: 3,343,961 km (0.103 R)
• M6: 3,772,858 km (0.104 R)
• M7: 5,634,155 km (0.082 R)
• M8: 6,437,196 km (0.105 R)
• M9: 7,437,408 km (0.118 R)
• M10: 8,572,108 km (0.078 R)
• M11: 8,916,482 km (0.104 R)
• M12: 10,005,704 km (0.117 R)
• M13: 10,740,080 km (0.082 R)
• M14: 14,135,652 km (0.107 R)
• M15: 15,159,650 km (0.109 R)
• M16: 16,813,903 km (0.11 R)
• M17: 18,470,999 km (0.036 R)
• M18: 20,355,782 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.1

Radius: 12.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.19 AU - 3.43 AU

Year: 4157 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,145,823 km

• M1: 160,967 km (0.088 R)
• M2: 605,423 km (0.033 R)
• M3: 1,218,624 km (0.116 R)
• M4: 1,746,555 km (0.062 R)
• M5: 2,288,698 km (0.1 R)
• M6: 2,959,943 km (0.063 R)
• M7: 3,695,965 km (0.081 R)
• M8: 4,575,002 km (0.119 R)
• M9: 5,182,220 km (0.095 R)
• M10: 5,900,290 km (0.118 R)
• M11: 6,874,022 km (0.086 R)
• M12: 7,603,761 km (0.111 R)
• M13: 9,375,149 km (0.058 R)
• M14: 15,038,176 km (0.109 R)
• M15: 19,636,067 km (0.036 R)
• M16: 20,361,467 km (0.118 R)
• M17: 22,006,146 km (0.113 R)
• M18: 22,933,204 km (0.049 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: 414 - 18,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit