🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.54 AU - 0.66 AU

Year: 296 Days

Day: 46.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.7

Radius: 8.6

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.7 AU - 0.72 AU

Year: 380 Days

Day: 13.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,459,371 km

• M1: 107,112 km (0.114 R)
• M2: 595,848 km (0.048 R)
• M3: 1,051,374 km (0.119 R)
• M4: 1,396,795 km (0.114 R)
• M5: 1,809,835 km (0.101 R)
• M6: 2,083,749 km (0.115 R)
• M7: 2,819,770 km (0.048 R)
• M8: 3,329,301 km (0.113 R)
• M9: 3,859,924 km (0.087 R)
• M10: 4,318,442 km (0.084 R)
• M11: 4,949,894 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.8

Radius: 13.8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.74 AU - 2.92 AU

Year: 3027 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,459,371 km

• M1: 179,218 km (0.092 R)
• M2: 624,272 km (0.081 R)
• M3: 1,067,830 km (0.114 R)
• M4: 1,533,528 km (0.088 R)
• M5: 2,684,683 km (0.111 R)
• M6: 3,287,563 km (0.108 R)
• M7: 4,107,958 km (0.036 R)
• M8: 5,111,161 km (0.103 R)
• M9: 5,550,679 km (0.112 R)
• M10: 7,767,421 km (0.088 R)
• M11: 8,385,858 km (0.117 R)
• M12: 9,917,740 km (0.03 R)
• M13: 10,440,435 km (0.066 R)
• M14: 13,335,902 km (0.081 R)
• M15: 15,363,103 km (0.047 R)
• M16: 16,118,871 km (0.117 R)
• M17: 19,330,738 km (0.098 R)
• M18: 21,583,831 km (0.051 R)
• M19: 23,721,286 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691

Radius: 7.3

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 10.35 AU - 12.23 AU

Year: 24120 Days

Day: 18.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,459,371 km

• M1: 93,349 km (0.044 R)
• M2: 354,098 km (0.116 R)
• M3: 602,879 km (0.113 R)
• M4: 1,048,531 km (0.05 R)
• M5: 1,828,834 km (0.066 R)
• M6: 3,889,844 km (0.076 R)
• M7: 4,645,313 km (0.12 R)
• M8: 4,981,310 km (0.025 R)
• M9: 5,577,009 km (0.083 R)
• M10: 6,398,750 km (0.091 R)
• M11: 7,348,098 km (0.097 R)
• M12: 10,251,942 km (0.108 R)
• M13: 10,886,835 km (0.114 R)
• M14: 12,165,000 km (0.055 R)
• M15: 12,588,661 km (0.079 R)
• M16: 13,095,199 km (0.091 R)
• M17: 16,170,034 km (0.107 R)
• M18: 18,746,408 km (0.079 R)
• M19: 19,502,626 km (0.052 R)
• M20: 19,985,528 km (0.036 R)
• M21: 21,893,349 km (0.07 R)
• M22: 23,374,518 km (0.111 R)
• M23: 32,059,721 km (0.074 R)
• M24: 32,462,140 km (0.09 R)
• M25: 35,373,913 km (0.077 R)
• M26: 44,311,488 km (0.089 R)
• M27: 47,537,715 km (0.116 R)
• M28: 48,061,009 km (0.096 R)
• M29: 49,296,986 km (0.081 R)
• M30: 52,201,429 km (0.117 R)
• M31: 56,183,874 km (0.115 R)
• M32: 56,964,775 km (0.085 R)
• M33: 66,689,235 km (0.041 R)
• M34: 79,405,652 km (0.101 R)
• M35: 86,200,537 km (0.116 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: 227 - 16,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit