🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.47 AU - 0.59 AU

Year: 253 Days

Day: 21.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,398,320 km

• M1: 18,251 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.2

Radius: 8.5

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.68 AU - 0.84 AU

Year: 435 Days

Day: 8 Hours

Environment

Temp: -138 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,398,320 km

• M1: 105,766 km (0.105 R)
• M2: 508,334 km (0.042 R)
• M3: 848,519 km (0.096 R)
• M4: 1,168,808 km (0.084 R)
• M5: 1,917,695 km (0.115 R)
• M6: 2,211,954 km (0.082 R)
• M7: 2,536,432 km (0.101 R)
• M8: 3,159,357 km (0.1 R)
• M9: 3,489,520 km (0.112 R)
• M10: 3,855,137 km (0.091 R)
• M11: 4,355,093 km (0.067 R)
• M12: 4,721,608 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.4

Radius: 13

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.24 AU - 2.46 AU

Year: 2363 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,398,320 km

• M1: 161,715 km (0.118 R)
• M2: 646,412 km (0.049 R)
• M3: 1,160,131 km (0.1 R)
• M4: 1,937,143 km (0.059 R)
• M5: 2,464,176 km (0.106 R)
• M6: 3,384,203 km (0.074 R)
• M7: 3,793,204 km (0.073 R)
• M8: 4,376,935 km (0.099 R)
• M9: 5,133,152 km (0.098 R)
• M10: 7,075,381 km (0.092 R)
• M11: 7,901,909 km (0.11 R)
• M12: 8,307,020 km (0.067 R)
• M13: 8,726,044 km (0.03 R)
• M14: 9,571,721 km (0.083 R)
• M15: 10,104,887 km (0.107 R)
• M16: 10,733,049 km (0.106 R)
• M17: 13,554,465 km (0.081 R)
• M18: 14,046,043 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.8

Radius: 11.1

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.74 AU - 3.94 AU

Year: 4936 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,398,320 km

• M1: 138,677 km (0.1 R)
• M2: 598,242 km (0.053 R)
• M3: 968,646 km (0.046 R)
• M4: 1,382,733 km (0.056 R)
• M5: 1,790,687 km (0.034 R)
• M6: 2,247,259 km (0.117 R)
• M7: 2,931,969 km (0.111 R)
• M8: 4,326,520 km (0.1 R)
• M9: 4,796,257 km (0.057 R)
• M10: 5,156,639 km (0.098 R)
• M11: 5,655,099 km (0.039 R)
• M12: 8,367,757 km (0.073 R)
• M13: 10,231,148 km (0.095 R)
• M14: 11,260,082 km (0.053 R)
• M15: 13,305,384 km (0.081 R)
• M16: 14,359,152 km (0.118 R)
• M17: 15,829,100 km (0.104 R)
• M18: 17,722,860 km (0.096 R)
• M19: 18,520,964 km (0.066 R)
• M20: 20,548,764 km (0.048 R)
• M21: 21,653,843 km (0.111 R)
• M22: 22,643,283 km (0.116 R)
• M23: 25,041,188 km (0.059 R)
• M24: 28,857,280 km (0.111 R)
• M25: 30,148,608 km (0.06 R)
• M26: 31,381,744 km (0.108 R)
• M27: 31,962,034 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.1

Radius: 7.8

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.33 AU - 10.37 AU

Year: 15828 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,398,320 km

• M1: 96,939 km (0.11 R)
• M2: 448,943 km (0.073 R)
• M3: 788,680 km (0.077 R)
• M4: 1,374,206 km (0.086 R)
• M5: 2,203,577 km (0.114 R)
• M6: 2,632,923 km (0.117 R)
• M7: 3,924,999 km (0.053 R)
• M8: 4,678,973 km (0.119 R)
• M9: 5,457,330 km (0.111 R)
• M10: 7,478,098 km (0.06 R)
• M11: 7,777,892 km (0.115 R)
• M12: 9,058,151 km (0.091 R)
• M13: 11,122,751 km (0.099 R)
• M14: 11,914,124 km (0.082 R)
• M15: 12,561,733 km (0.111 R)
• M16: 13,047,328 km (0.107 R)
• M17: 14,645,781 km (0.112 R)
• M18: 16,658,620 km (0.084 R)
• M19: 17,693,389 km (0.119 R)
• M20: 18,149,662 km (0.027 R)
• M21: 18,536,074 km (0.11 R)
• M22: 19,165,432 km (0.115 R)
• M23: 23,792,494 km (0.101 R)
• M24: 27,259,724 km (0.05 R)
• M25: 36,141,050 km (0.057 R)
• M26: 36,999,293 km (0.075 R)
• M27: 41,762,190 km (0.092 R)
• M28: 42,571,216 km (0.107 R)
• M29: 42,979,618 km (0.059 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 16,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit