🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 12.1

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.51 AU - 0.85 AU

Year: 368 Days

Day: 6.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,590,850 km

• M1: 150,495 km (0.082 R)
• M2: 538,852 km (0.109 R)
• M3: 1,184,666 km (0.095 R)
• M4: 1,945,969 km (0.097 R)
• M5: 2,814,983 km (0.119 R)
• M6: 3,734,561 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 8.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.73 AU - 0.91 AU

Year: 487 Days

Day: 14.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,590,850 km

• M1: 115,340 km (0.053 R)
• M2: 484,697 km (0.113 R)
• M3: 823,835 km (0.057 R)
• M4: 1,113,457 km (0.069 R)
• M5: 1,561,054 km (0.108 R)
• M6: 2,214,796 km (0.116 R)
• M7: 2,722,382 km (0.119 R)
• M8: 3,060,922 km (0.115 R)
• M9: 3,472,615 km (0.058 R)
• M10: 3,811,305 km (0.116 R)
• M11: 4,327,717 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.5

Radius: 13.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.78 AU - 1.04 AU

Year: 569 Days

Day: 5.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 63 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,590,850 km

• M1: 166,652 km (0.118 R)
• M2: 598,691 km (0.094 R)
• M3: 1,027,737 km (0.103 R)
• M4: 1,548,637 km (0.097 R)
• M5: 1,965,417 km (0.109 R)
• M6: 2,477,341 km (0.116 R)
• M7: 2,946,480 km (0.103 R)
• M8: 3,660,809 km (0.096 R)
• M9: 4,892,598 km (0.07 R)
• M10: 5,553,671 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.7

Radius: 12.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.97 AU - 1.37 AU

Year: 830 Days

Day: 6.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,590,850 km

• M1: 160,967 km (0.104 R)
• M2: 791,672 km (0.082 R)
• M3: 1,300,903 km (0.107 R)
• M4: 1,843,943 km (0.104 R)
• M5: 2,336,868 km (0.105 R)
• M6: 2,769,057 km (0.115 R)
• M7: 3,208,426 km (0.051 R)
• M8: 4,077,589 km (0.116 R)
• M9: 5,098,146 km (0.036 R)
• M10: 6,172,408 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.1

Radius: 10.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.35 AU - 1.89 AU

Year: 1353 Days

Day: 10.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,590,850 km

• M1: 128,205 km (0.064 R)
• M2: 553,811 km (0.029 R)
• M3: 1,095,056 km (0.053 R)
• M4: 1,493,585 km (0.085 R)
• M5: 1,850,376 km (0.104 R)
• M6: 2,343,451 km (0.064 R)
• M7: 2,791,646 km (0.029 R)
• M8: 3,413,674 km (0.101 R)
• M9: 3,943,101 km (0.094 R)
• M10: 5,107,571 km (0.116 R)
• M11: 5,570,277 km (0.112 R)
• M12: 5,973,593 km (0.072 R)
• M13: 6,487,760 km (0.111 R)
• M14: 7,252,056 km (0.095 R)
• M15: 7,811,552 km (0.108 R)
• M16: 8,182,405 km (0.103 R)
• M17: 9,307,232 km (0.083 R)
• M18: 11,117,515 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 8.8

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.9 AU - 3.06 AU

Year: 3375 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,590,850 km

• M1: 109,506 km (0.103 R)
• M2: 391,049 km (0.11 R)
• M3: 702,212 km (0.093 R)
• M4: 1,211,144 km (0.113 R)
• M5: 2,816,030 km (0.077 R)
• M6: 4,313,505 km (0.098 R)
• M7: 4,758,858 km (0.025 R)
• M8: 5,064,486 km (0.099 R)
• M9: 6,649,625 km (0.101 R)
• M10: 7,398,961 km (0.079 R)
• M11: 9,029,428 km (0.101 R)
• M12: 9,499,465 km (0.084 R)
• M13: 10,215,590 km (0.108 R)
• M14: 10,686,225 km (0.085 R)
• M15: 12,985,095 km (0.087 R)
• M16: 13,819,403 km (0.12 R)
• M17: 14,541,661 km (0.085 R)
• M18: 16,113,935 km (0.111 R)
• M19: 16,484,040 km (0.087 R)
• M20: 20,075,286 km (0.102 R)
• M21: 20,565,668 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.6

Radius: 10.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.78 AU - 4.52 AU

Year: 5546 Days

Day: 8 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,590,850 km

• M1: 130,599 km (0.091 R)
• M2: 656,585 km (0.106 R)
• M3: 1,216,530 km (0.078 R)
• M4: 1,810,733 km (0.08 R)
• M5: 2,409,723 km (0.11 R)
• M6: 3,420,705 km (0.064 R)
• M7: 4,298,545 km (0.067 R)
• M8: 4,801,493 km (0.093 R)
• M9: 8,590,209 km (0.052 R)
• M10: 9,151,799 km (0.107 R)
• M11: 10,022,010 km (0.105 R)
• M12: 13,179,273 km (0.03 R)
• M13: 14,702,479 km (0.085 R)
• M14: 15,077,221 km (0.066 R)
• M15: 16,489,724 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.9

Radius: 14.3

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.75 AU - 4.67 AU

Year: 5667 Days

Day: 8.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,590,850 km

• M1: 177,872 km (0.093 R)
• M2: 695,331 km (0.11 R)
• M3: 1,223,411 km (0.05 R)
• M4: 1,812,977 km (0.057 R)
• M5: 3,366,251 km (0.098 R)
• M6: 4,317,395 km (0.08 R)
• M7: 6,119,750 km (0.097 R)
• M8: 6,924,437 km (0.084 R)
• M9: 8,951,937 km (0.094 R)
• M10: 9,591,617 km (0.112 R)
• M11: 11,497,045 km (0.106 R)
• M12: 12,305,322 km (0.092 R)
• M13: 15,375,520 km (0.078 R)
• M14: 15,861,114 km (0.114 R)
• M15: 16,735,663 km (0.111 R)
• M16: 18,581,103 km (0.099 R)
• M17: 19,272,095 km (0.054 R)
• M18: 22,440,279 km (0.068 R)
• M19: 24,680,956 km (0.026 R)
• M20: 26,543,300 km (0.072 R)
• M21: 28,863,114 km (0.088 R)
• M22: 34,935,591 km (0.091 R)

Asteroid Belt

Center: 5.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.5

Radius: 4.9

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.48 AU - 7.78 AU

Year: 11199 Days

Day: 15.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,590,850 km

• M1: 60,886 km (0.088 R)
• M2: 330,462 km (0.083 R)
• M3: 744,549 km (0.068 R)
• M4: 957,726 km (0.101 R)
• M5: 1,965,118 km (0.102 R)
• M6: 3,029,955 km (0.04 R)
• M7: 3,492,661 km (0.106 R)
• M8: 4,334,000 km (0.085 R)
• M9: 4,608,213 km (0.074 R)
• M10: 5,000,758 km (0.095 R)
• M11: 6,344,147 km (0.053 R)
• M12: 7,132,826 km (0.108 R)
• M13: 8,058,837 km (0.09 R)
• M14: 8,628,057 km (0.106 R)
• M15: 9,102,432 km (0.041 R)
• M16: 9,387,117 km (0.043 R)
• M17: 10,809,643 km (0.108 R)
• M18: 12,222,296 km (0.1 R)
• M19: 15,523,023 km (0.059 R)
• M20: 22,534,675 km (0.059 R)
• M21: 27,684,432 km (0.08 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: 352 - 18,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit