🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 13.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.55 AU - 0.73 AU

Year: 360 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,927,991 km

• M1: 162,912 km (0.105 R)
• M2: 574,605 km (0.078 R)
• M3: 1,147,266 km (0.084 R)
• M4: 1,587,533 km (0.081 R)
• M5: 2,807,054 km (0.114 R)
• M6: 3,467,978 km (0.083 R)
• M7: 3,878,624 km (0.093 R)
• M8: 4,322,182 km (0.062 R)
• M9: 4,956,776 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.9

Radius: 8.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.86 AU - 1.06 AU

Year: 661 Days

Day: 11.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,927,991 km

• M1: 100,679 km (0.111 R)
• M2: 366,664 km (0.114 R)
• M3: 809,474 km (0.112 R)
• M4: 1,087,427 km (0.112 R)
• M5: 1,477,578 km (0.038 R)
• M6: 1,944,174 km (0.112 R)
• M7: 2,204,624 km (0.043 R)
• M8: 2,911,623 km (0.066 R)
• M9: 3,265,123 km (0.11 R)
• M10: 4,034,355 km (0.047 R)
• M11: 4,371,250 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.8

Radius: 9.5

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.85 AU - 1.11 AU

Year: 682 Days

Day: 11.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,927,991 km

• M1: 118,332 km (0.092 R)
• M2: 417,528 km (0.099 R)
• M3: 771,027 km (0.062 R)
• M4: 1,078,451 km (0.079 R)
• M5: 1,589,926 km (0.063 R)
• M6: 1,964,669 km (0.061 R)
• M7: 2,418,698 km (0.102 R)
• M8: 3,237,148 km (0.098 R)
• M9: 3,975,264 km (0.078 R)
• M10: 4,337,441 km (0.118 R)
• M11: 4,688,996 km (0.07 R)
• M12: 5,287,387 km (0.108 R)
• M13: 5,651,658 km (0.094 R)
• M14: 6,289,693 km (0.109 R)
• M15: 7,017,786 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.1

Radius: 11.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.02 AU - 1.22 AU

Year: 833 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,927,991 km

• M1: 142,268 km (0.083 R)
• M2: 1,517,670 km (0.099 R)
• M3: 2,102,748 km (0.107 R)
• M4: 2,484,821 km (0.069 R)
• M5: 3,025,916 km (0.059 R)
• M6: 3,739,348 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.3

Radius: 12.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.98 AU - 2.04 AU

Year: 2003 Days

Day: 13.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,927,991 km

• M1: 158,424 km (0.06 R)
• M2: 622,178 km (0.116 R)
• M3: 1,086,380 km (0.075 R)
• M4: 1,604,437 km (0.105 R)
• M5: 2,727,768 km (0.1 R)
• M6: 4,563,483 km (0.087 R)
• M7: 6,779,776 km (0.079 R)
• M8: 7,270,905 km (0.111 R)
• M9: 7,785,522 km (0.103 R)
• M10: 8,677,574 km (0.048 R)
• M11: 9,636,496 km (0.05 R)
• M12: 10,191,654 km (0.052 R)
• M13: 11,473,857 km (0.071 R)
• M14: 11,875,229 km (0.048 R)
• M15: 13,574,960 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.9

Radius: 14.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.32 AU - 3.5 AU

Year: 3489 Days

Day: 13.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,927,991 km

• M1: 198,217 km (0.082 R)
• M2: 719,416 km (0.091 R)
• M3: 1,241,662 km (0.09 R)
• M4: 2,279,273 km (0.093 R)
• M5: 3,855,137 km (0.086 R)
• M6: 5,671,854 km (0.106 R)
• M7: 9,948,857 km (0.108 R)
• M8: 10,602,899 km (0.077 R)
• M9: 14,270,440 km (0.089 R)
• M10: 14,748,704 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.3

Radius: 7.4

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.32 AU - 6.88 AU

Year: 11919 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,927,991 km

• M1: 95,294 km (0.068 R)
• M2: 541,395 km (0.114 R)
• M3: 1,156,990 km (0.09 R)
• M4: 1,482,515 km (0.033 R)
• M5: 1,797,269 km (0.032 R)
• M6: 2,156,154 km (0.083 R)
• M7: 4,608,213 km (0.12 R)
• M8: 4,937,777 km (0.078 R)
• M9: 5,894,455 km (0.076 R)
• M10: 6,723,826 km (0.06 R)
• M11: 7,590,895 km (0.117 R)
• M12: 9,722,216 km (0.119 R)
• M13: 10,451,057 km (0.066 R)
• M14: 11,021,025 km (0.033 R)
• M15: 13,565,984 km (0.085 R)
• M16: 13,902,429 km (0.081 R)
• M17: 15,607,247 km (0.065 R)
• M18: 16,541,635 km (0.074 R)
• M19: 18,727,858 km (0.057 R)
• M20: 19,854,181 km (0.077 R)
• M21: 25,485,493 km (0.113 R)
• M22: 30,443,017 km (0.077 R)
• M23: 32,894,777 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.6

Radius: 6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.23 AU - 10.11 AU

Year: 17945 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,927,991 km

• M1: 74,649 km (0.098 R)
• M2: 341,682 km (0.079 R)
• M3: 4,297,797 km (0.064 R)
• M4: 4,550,019 km (0.106 R)
• M5: 5,281,104 km (0.063 R)
• M6: 5,840,600 km (0.116 R)
• M7: 6,309,440 km (0.108 R)
• M8: 7,286,912 km (0.104 R)
• M9: 9,968,155 km (0.119 R)
• M10: 12,773,265 km (0.066 R)
• M11: 16,063,969 km (0.113 R)
• M12: 16,611,198 km (0.101 R)
• M13: 20,651,687 km (0.099 R)
• M14: 20,937,419 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.3

Radius: 5.2

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.84 AU - 11.22 AU

Year: 22329 Days

Day: 18.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,927,991 km

• M1: 64,925 km (0.057 R)
• M2: 566,976 km (0.108 R)
• M3: 963,410 km (0.102 R)
• M4: 1,351,168 km (0.05 R)
• M5: 1,889,870 km (0.093 R)
• M6: 2,110,826 km (0.114 R)
• M7: 2,762,773 km (0.058 R)
• M8: 5,121,782 km (0.106 R)
• M9: 6,992,204 km (0.074 R)
• M10: 11,642,305 km (0.103 R)
• M11: 14,384,583 km (0.064 R)
• M12: 15,023,516 km (0.048 R)
• M13: 15,386,590 km (0.094 R)
• M14: 18,422,080 km (0.043 R)
• M15: 24,930,485 km (0.091 R)
• M16: 41,508,323 km (0.105 R)
• M17: 53,946,638 km (0.099 R)
• M18: 57,934,169 km (0.117 R)
• M19: 60,090,622 km (0.095 R)
• M20: 60,272,683 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 19,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit