🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.43 AU - 0.65 AU

Year: 146 Days

Day: 20.2 Hours

Environment

Temp: 236 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.44 AU - 2.14 AU

Year: 884 Days

Day: 32.3 Hours

Environment

Temp: -67 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.6

Radius: 10.7

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.46 AU - 5.84 AU

Year: 4312 Days

Day: 12 Hours

Environment

Temp: -148 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,337,761 km

• M1: 139,724 km (0.118 R)
• M2: 669,750 km (0.095 R)
• M3: 1,181,374 km (0.061 R)
• M4: 1,823,748 km (0.042 R)
• M5: 2,340,758 km (0.057 R)
• M6: 3,047,009 km (0.097 R)
• M7: 6,918,004 km (0.118 R)
• M8: 7,391,930 km (0.103 R)
• M9: 7,887,548 km (0.107 R)
• M10: 8,711,084 km (0.113 R)
• M11: 11,248,713 km (0.091 R)
• M12: 13,346,224 km (0.093 R)
• M13: 15,179,846 km (0.029 R)
• M14: 16,511,865 km (0.084 R)
• M15: 19,407,182 km (0.101 R)
• M16: 23,519,628 km (0.105 R)
• M17: 25,618,635 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 12.3

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.66 AU - 7.9 AU

Year: 8007 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,337,761 km

• M1: 155,432 km (0.079 R)
• M2: 617,540 km (0.081 R)
• M3: 1,231,340 km (0.098 R)
• M4: 1,635,404 km (0.041 R)
• M5: 2,163,484 km (0.068 R)
• M6: 2,584,004 km (0.104 R)
• M7: 3,125,399 km (0.111 R)
• M8: 3,741,892 km (0.108 R)
• M9: 4,438,270 km (0.096 R)
• M10: 5,251,035 km (0.107 R)
• M11: 6,196,344 km (0.104 R)
• M12: 10,110,273 km (0.072 R)
• M13: 10,875,915 km (0.104 R)
• M14: 13,832,268 km (0.109 R)
• M15: 14,840,408 km (0.066 R)
• M16: 17,939,029 km (0.083 R)
• M17: 24,380,414 km (0.092 R)
• M18: 25,108,058 km (0.087 R)
• M19: 28,363,307 km (0.114 R)
• M20: 28,864,760 km (0.092 R)
• M21: 29,474,072 km (0.117 R)
• M22: 34,208,844 km (0.076 R)
• M23: 36,166,482 km (0.038 R)
• M24: 39,179,383 km (0.064 R)
• M25: 44,342,305 km (0.113 R)
• M26: 45,975,315 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.7

Radius: 10.6

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.6 AU - 9.46 AU

Year: 9192 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,337,761 km

• M1: 141,071 km (0.086 R)
• M2: 471,832 km (0.097 R)
• M3: 915,689 km (0.114 R)
• M4: 1,470,098 km (0.086 R)
• M5: 1,896,901 km (0.07 R)
• M6: 2,704,131 km (0.1 R)
• M7: 3,473,513 km (0.092 R)
• M8: 4,470,284 km (0.113 R)
• M9: 5,999,024 km (0.069 R)
• M10: 7,427,983 km (0.048 R)
• M11: 8,155,627 km (0.054 R)
• M12: 8,651,394 km (0.086 R)
• M13: 9,119,337 km (0.045 R)
• M14: 9,456,979 km (0.117 R)
• M15: 10,467,961 km (0.078 R)
• M16: 10,999,632 km (0.117 R)
• M17: 11,774,400 km (0.1 R)
• M18: 12,349,603 km (0.076 R)
• M19: 15,993,957 km (0.101 R)
• M20: 16,699,760 km (0.095 R)
• M21: 17,352,755 km (0.063 R)
• M22: 18,249,743 km (0.096 R)
• M23: 23,563,609 km (0.07 R)
• M24: 29,931,991 km (0.092 R)
• M25: 32,771,807 km (0.117 R)
• M26: 37,730,827 km (0.072 R)
• M27: 43,711,899 km (0.075 R)
• M28: 45,230,467 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.5

Radius: 4.1

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 16.09 AU - 20.57 AU

Year: 28955 Days

Day: 18.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,337,761 km

• M1: 96,341 km (0.096 R)
• M2: 375,790 km (0.078 R)
• M3: 1,335,011 km (0.08 R)
• M4: 5,279,159 km (0.104 R)
• M5: 5,717,930 km (0.11 R)
• M6: 6,532,341 km (0.117 R)
• M7: 12,815,302 km (0.072 R)
• M8: 17,871,111 km (0.069 R)
• M9: 19,130,725 km (0.093 R)
• M10: 21,525,039 km (0.108 R)
• M11: 32,967,780 km (0.079 R)
• M12: 34,856,005 km (0.118 R)
• M13: 45,222,539 km (0.092 R)
• M14: 48,058,765 km (0.108 R)
• M15: 55,382,329 km (0.077 R)
• M16: 64,238,223 km (0.049 R)
• M17: 65,485,870 km (0.099 R)
• M18: 71,079,334 km (0.056 R)
• M19: 71,522,293 km (0.047 R)
• M20: 74,675,068 km (0.061 R)
• M21: 78,154,416 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 11,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit