🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.58 AU - 0.72 AU

Year: 344 Days

Day: 39.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,189,414 km

• M1: 33,959 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.6

Radius: 13.6

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.88 AU - 1.24 AU

Year: 716 Days

Day: 9.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,189,414 km

• M1: 169,195 km (0.095 R)
• M2: 599,738 km (0.106 R)
• M3: 1,547,889 km (0.069 R)
• M4: 2,065,647 km (0.07 R)
• M5: 2,687,675 km (0.11 R)
• M6: 3,244,179 km (0.075 R)
• M7: 3,700,603 km (0.086 R)
• M8: 4,279,546 km (0.089 R)
• M9: 4,883,473 km (0.107 R)
• M10: 5,354,557 km (0.081 R)
• M11: 6,057,218 km (0.071 R)
• M12: 6,776,634 km (0.047 R)
• M13: 7,226,026 km (0.081 R)
• M14: 7,937,513 km (0.083 R)
• M15: 8,411,888 km (0.115 R)
• M16: 9,065,182 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.6

Radius: 11.2

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.25 AU - 1.49 AU

Year: 1052 Days

Day: 7.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,189,414 km

• M1: 139,276 km (0.071 R)
• M2: 650,900 km (0.086 R)
• M3: 1,080,097 km (0.081 R)
• M4: 1,608,626 km (0.092 R)
• M5: 2,191,908 km (0.108 R)
• M6: 3,479,946 km (0.052 R)
• M7: 5,501,611 km (0.086 R)
• M8: 5,997,229 km (0.061 R)
• M9: 6,587,393 km (0.105 R)
• M10: 7,239,340 km (0.052 R)
• M11: 8,750,877 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.9

Radius: 10.1

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.36 AU - 3.38 AU

Year: 3190 Days

Day: 8.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,189,414 km

• M1: 125,812 km (0.082 R)
• M2: 499,208 km (0.059 R)
• M3: 855,401 km (0.077 R)
• M4: 1,185,114 km (0.114 R)
• M5: 1,548,338 km (0.084 R)
• M6: 2,037,074 km (0.105 R)
• M7: 3,219,496 km (0.065 R)
• M8: 6,017,874 km (0.079 R)
• M9: 11,381,705 km (0.057 R)
• M10: 11,933,123 km (0.083 R)
• M11: 14,221,522 km (0.106 R)
• M12: 18,352,517 km (0.047 R)
• M13: 19,648,334 km (0.115 R)
• M14: 21,193,830 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.7

Radius: 14.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.85 AU - 5.61 AU

Year: 7846 Days

Day: 6.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,189,414 km

• M1: 179,069 km (0.062 R)
• M2: 630,854 km (0.064 R)
• M3: 1,202,468 km (0.056 R)
• M4: 2,862,555 km (0.078 R)
• M5: 3,361,913 km (0.114 R)
• M6: 3,818,186 km (0.116 R)
• M7: 4,288,821 km (0.086 R)
• M8: 4,739,859 km (0.073 R)
• M9: 5,254,027 km (0.04 R)
• M10: 5,805,445 km (0.081 R)
• M11: 7,102,009 km (0.065 R)
• M12: 8,583,926 km (0.1 R)
• M13: 9,920,732 km (0.042 R)
• M14: 13,655,294 km (0.035 R)
• M15: 15,473,506 km (0.031 R)
• M16: 16,203,843 km (0.067 R)
• M17: 21,647,111 km (0.116 R)
• M18: 27,138,550 km (0.096 R)
• M19: 28,103,606 km (0.101 R)
• M20: 29,492,921 km (0.039 R)
• M21: 30,102,233 km (0.099 R)
• M22: 38,806,735 km (0.113 R)
• M23: 40,778,734 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.6

Radius: 6

Gravity: 21.16 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.6 AU - 9.78 AU

Year: 16805 Days

Day: 18.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,189,414 km

• M1: 74,649 km (0.101 R)
• M2: 297,401 km (0.112 R)
• M3: 610,659 km (0.109 R)
• M4: 916,586 km (0.096 R)
• M5: 1,131,259 km (0.103 R)
• M6: 1,630,318 km (0.044 R)
• M7: 3,132,579 km (0.112 R)
• M8: 4,013,860 km (0.114 R)
• M9: 4,330,410 km (0.083 R)
• M10: 4,528,328 km (0.102 R)
• M11: 6,549,395 km (0.063 R)
• M12: 7,684,244 km (0.112 R)
• M13: 10,811,289 km (0.097 R)
• M14: 11,487,321 km (0.063 R)
• M15: 13,059,445 km (0.07 R)
• M16: 13,473,831 km (0.053 R)
• M17: 14,039,910 km (0.11 R)
• M18: 17,192,535 km (0.108 R)
• M19: 17,606,622 km (0.053 R)
• M20: 19,777,736 km (0.104 R)
• M21: 20,324,068 km (0.073 R)
• M22: 22,808,888 km (0.067 R)
• M23: 28,028,507 km (0.081 R)
• M24: 29,183,553 km (0.09 R)
• M25: 31,096,909 km (0.102 R)
• M26: 32,711,968 km (0.117 R)
• M27: 38,592,361 km (0.085 R)
• M28: 42,078,739 km (0.069 R)
• M29: 42,528,879 km (0.098 R)
• M30: 44,827,301 km (0.029 R)
• M31: 47,693,148 km (0.074 R)
• M32: 50,341,179 km (0.09 R)
• M33: 56,108,925 km (0.09 R)
• M34: 59,433,140 km (0.11 R)
• M35: 61,335,576 km (0.084 R)
• M36: 68,313,269 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 20,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit