🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 10.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.86 AU - 0.88 AU

Year: 516 Days

Day: 5.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,409,100 km

• M1: 133,142 km (0.111 R)
• M2: 525,837 km (0.109 R)
• M3: 889,359 km (0.082 R)
• M4: 1,496,727 km (0.029 R)
• M5: 1,839,904 km (0.114 R)
• M6: 2,205,073 km (0.075 R)
• M7: 3,464,088 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 12

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.89 AU - 1.09 AU

Year: 626 Days

Day: 14.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,409,100 km

• M1: 149,299 km (0.062 R)
• M2: 694,733 km (0.075 R)
• M3: 1,295,667 km (0.1 R)
• M4: 1,778,868 km (0.063 R)
• M5: 2,479,734 km (0.088 R)
• M6: 4,050,213 km (0.086 R)
• M7: 4,736,418 km (0.111 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.6

Radius: 6.9

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.59 AU - 9.29 AU

Year: 12903 Days

Day: 18.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,409,100 km

• M1: 85,869 km (0.115 R)
• M2: 304,432 km (0.08 R)
• M3: 1,266,346 km (0.072 R)
• M4: 1,517,670 km (0.094 R)
• M5: 2,459,987 km (0.083 R)
• M6: 2,833,084 km (0.057 R)
• M7: 4,443,506 km (0.11 R)
• M8: 5,291,875 km (0.11 R)
• M9: 7,900,563 km (0.095 R)
• M10: 9,881,239 km (0.102 R)
• M11: 11,939,256 km (0.071 R)
• M12: 13,068,421 km (0.107 R)
• M13: 14,332,074 km (0.091 R)
• M14: 15,128,234 km (0.096 R)
• M15: 17,469,591 km (0.038 R)
• M16: 22,238,771 km (0.03 R)
• M17: 32,521,380 km (0.108 R)
• M18: 36,752,307 km (0.101 R)
• M19: 37,739,803 km (0.046 R)
• M20: 38,492,131 km (0.092 R)
• M21: 47,292,824 km (0.032 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.1

Radius: 6.9

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.01 AU - 8.91 AU

Year: 15645 Days

Day: 22 Hours

Environment

Temp: -221 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,409,100 km

• M1: 86,318 km (0.055 R)
• M2: 312,211 km (0.065 R)
• M3: 718,818 km (0.104 R)
• M4: 1,699,581 km (0.041 R)
• M5: 2,605,696 km (0.114 R)
• M6: 2,824,707 km (0.079 R)
• M7: 3,478,450 km (0.111 R)
• M8: 5,496,824 km (0.116 R)
• M9: 5,785,398 km (0.066 R)
• M10: 6,551,190 km (0.072 R)
• M11: 6,958,545 km (0.115 R)
• M12: 7,914,326 km (0.108 R)
• M13: 8,282,636 km (0.077 R)
• M14: 9,766,647 km (0.098 R)
• M15: 11,132,026 km (0.032 R)
• M16: 11,890,338 km (0.102 R)
• M17: 13,639,586 km (0.097 R)
• M18: 21,549,424 km (0.091 R)
• M19: 23,188,119 km (0.115 R)
• M20: 27,540,220 km (0.11 R)
• M21: 27,855,423 km (0.09 R)
• M22: 29,358,133 km (0.085 R)
• M23: 29,797,203 km (0.062 R)
• M24: 32,524,073 km (0.093 R)
• M25: 33,588,163 km (0.118 R)
• M26: 34,068,521 km (0.072 R)
• M27: 36,539,130 km (0.114 R)
• M28: 39,391,812 km (0.09 R)
• M29: 39,926,026 km (0.05 R)
• M30: 41,833,698 km (0.077 R)
• M31: 43,374,556 km (0.102 R)
• M32: 43,658,643 km (0.043 R)
• M33: 45,098,223 km (0.094 R)
• M34: 48,988,516 km (0.099 R)
• M35: 53,748,570 km (0.082 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: 521 - 13,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit