🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.83 AU - 0.89 AU

Year: 280 Days

Day: 17.9 Hours

Environment

Temp: 177 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.01 AU - 4.13 AU

Year: 2371 Days

Day: 13.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.2

Radius: 12.6

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.26 AU - 8.74 AU

Year: 6509 Days

Day: 7.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,266,167 km

• M1: 156,629 km (0.106 R)
• M2: 931,546 km (0.09 R)
• M3: 1,457,083 km (0.068 R)
• M4: 2,243,370 km (0.084 R)
• M5: 3,046,112 km (0.091 R)
• M6: 3,743,836 km (0.113 R)
• M7: 4,181,560 km (0.085 R)
• M8: 4,874,796 km (0.112 R)
• M9: 6,122,442 km (0.113 R)
• M10: 7,162,746 km (0.069 R)
• M11: 7,725,533 km (0.082 R)
• M12: 8,645,710 km (0.091 R)
• M13: 12,743,195 km (0.095 R)
• M14: 13,235,672 km (0.087 R)
• M15: 14,434,399 km (0.064 R)
• M16: 15,029,948 km (0.1 R)
• M17: 17,112,800 km (0.077 R)
• M18: 17,511,179 km (0.099 R)
• M19: 19,167,377 km (0.091 R)
• M20: 20,625,358 km (0.044 R)
• M21: 23,679,249 km (0.08 R)
• M22: 24,340,920 km (0.11 R)
• M23: 27,202,129 km (0.092 R)
• M24: 29,608,859 km (0.063 R)
• M25: 30,571,372 km (0.065 R)
• M26: 31,060,258 km (0.114 R)
• M27: 33,687,645 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.9

Radius: 12.3

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.84 AU - 9.16 AU

Year: 8710 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,266,167 km

• M1: 184,005 km (0.107 R)
• M2: 688,300 km (0.081 R)
• M3: 1,190,500 km (0.112 R)
• M4: 1,582,147 km (0.09 R)
• M5: 2,208,663 km (0.111 R)
• M6: 3,037,734 km (0.117 R)
• M7: 3,886,852 km (0.102 R)
• M8: 5,371,312 km (0.051 R)
• M9: 9,983,863 km (0.107 R)
• M10: 12,174,424 km (0.107 R)
• M11: 13,644,822 km (0.086 R)
• M12: 15,872,184 km (0.095 R)
• M13: 16,531,612 km (0.118 R)
• M14: 22,565,343 km (0.098 R)
• M15: 29,626,213 km (0.117 R)
• M16: 31,856,119 km (0.094 R)
• M17: 34,086,922 km (0.103 R)
• M18: 39,814,277 km (0.117 R)
• M19: 40,786,663 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.3

Radius: 6

Gravity: 12.65 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 11.82 AU - 15.48 AU

Year: 17725 Days

Day: 15.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,266,167 km

• M1: 74,649 km (0.1 R)
• M2: 380,577 km (0.088 R)
• M3: 609,611 km (0.085 R)
• M4: 931,097 km (0.098 R)
• M5: 1,389,315 km (0.043 R)
• M6: 1,629,570 km (0.045 R)
• M7: 2,479,734 km (0.114 R)
• M8: 5,007,938 km (0.092 R)
• M9: 5,358,596 km (0.111 R)
• M10: 5,914,950 km (0.093 R)
• M11: 6,306,897 km (0.088 R)
• M12: 6,757,635 km (0.091 R)
• M13: 8,878,783 km (0.085 R)
• M14: 9,236,322 km (0.076 R)
• M15: 9,925,819 km (0.089 R)
• M16: 10,255,383 km (0.103 R)
• M17: 11,707,679 km (0.089 R)
• M18: 12,200,006 km (0.047 R)
• M19: 16,418,217 km (0.113 R)
• M20: 20,883,863 km (0.106 R)
• M21: 23,781,424 km (0.119 R)
• M22: 25,683,860 km (0.069 R)
• M23: 26,096,900 km (0.115 R)
• M24: 27,577,470 km (0.097 R)
• M25: 28,228,819 km (0.083 R)
• M26: 28,448,279 km (0.108 R)
• M27: 29,675,281 km (0.042 R)
• M28: 32,594,384 km (0.091 R)
• M29: 34,936,788 km (0.104 R)
• M30: 36,213,755 km (0.033 R)
• M31: 38,186,951 km (0.102 R)
• M32: 39,131,811 km (0.086 R)
• M33: 45,280,732 km (0.088 R)
• M34: 54,722,153 km (0.117 R)
• M35: 57,491,509 km (0.104 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 18,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit