🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.98 AU - 1.28 AU

Year: 460 Days

Day: 21 Hours

Environment

Temp: -1 °C

Axial Tilt: 24.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.5 AU - 1.88 AU

Year: 841 Days

Day: 40.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,246,051 km

• M1: 1,350,121 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.46 AU - 2.22 AU

Year: 956 Days

Day: 22.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.76 AU - 1.98 AU

Year: 979 Days

Day: 47.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.93 AU - 2.47 AU

Year: 1249 Days

Day: 45 Hours

Environment

Temp: -101 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,246,051 km

• M1: 40,092 km (0.117 R)
• M2: 509,530 km (0.115 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.19 AU - 3.51 AU

Year: 1842 Days

Day: 31.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,246,051 km

• M1: 217,964 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.3

Radius: 14.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.23 AU - 6.89 AU

Year: 5020 Days

Day: 10.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,246,051 km

• M1: 213,027 km (0.092 R)
• M2: 713,731 km (0.116 R)
• M3: 1,229,694 km (0.06 R)
• M4: 2,018,823 km (0.083 R)
• M5: 2,573,532 km (0.102 R)
• M6: 3,090,243 km (0.116 R)
• M7: 4,164,805 km (0.088 R)
• M8: 5,928,414 km (0.058 R)
• M9: 7,223,782 km (0.04 R)
• M10: 8,620,129 km (0.113 R)
• M11: 10,235,038 km (0.117 R)
• M12: 10,878,159 km (0.09 R)
• M13: 13,344,878 km (0.086 R)
• M14: 14,113,362 km (0.099 R)
• M15: 16,348,803 km (0.109 R)
• M16: 18,676,097 km (0.119 R)
• M17: 19,848,795 km (0.116 R)
• M18: 22,340,647 km (0.11 R)
• M19: 30,492,983 km (0.044 R)
• M20: 31,827,097 km (0.07 R)
• M21: 32,410,678 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.6

Radius: 11.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.97 AU - 10.61 AU

Year: 10842 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,246,051 km

• M1: 141,819 km (0.085 R)
• M2: 669,301 km (0.111 R)
• M3: 1,383,481 km (0.034 R)
• M4: 1,848,581 km (0.07 R)
• M5: 2,302,461 km (0.118 R)
• M6: 2,786,859 km (0.105 R)
• M7: 3,538,738 km (0.043 R)
• M8: 4,510,675 km (0.033 R)
• M9: 4,978,318 km (0.094 R)
• M10: 6,011,590 km (0.088 R)
• M11: 6,816,277 km (0.116 R)
• M12: 9,117,691 km (0.099 R)
• M13: 11,378,564 km (0.119 R)
• M14: 12,367,705 km (0.074 R)
• M15: 13,162,219 km (0.09 R)
• M16: 13,925,467 km (0.11 R)
• M17: 16,248,573 km (0.087 R)
• M18: 21,562,588 km (0.114 R)
• M19: 22,265,848 km (0.031 R)
• M20: 24,184,590 km (0.105 R)
• M21: 24,752,464 km (0.072 R)
• M22: 27,215,144 km (0.035 R)
• M23: 32,852,590 km (0.068 R)
• M24: 34,972,392 km (0.058 R)
• M25: 36,311,891 km (0.086 R)
• M26: 38,577,102 km (0.101 R)
• M27: 40,935,064 km (0.065 R)
• M28: 42,013,216 km (0.12 R)
• M29: 48,733,152 km (0.083 R)
• M30: 53,218,246 km (0.047 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.1

Radius: 14.4

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.34 AU - 11.06 AU

Year: 13401 Days

Day: 9.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,246,051 km

• M1: 179,218 km (0.034 R)
• M2: 775,515 km (0.115 R)
• M3: 1,285,195 km (0.094 R)
• M4: 1,935,497 km (0.074 R)
• M5: 2,846,997 km (0.118 R)
• M6: 3,521,534 km (0.075 R)
• M7: 4,239,604 km (0.105 R)
• M8: 4,716,222 km (0.069 R)
• M9: 5,407,813 km (0.101 R)
• M10: 6,009,197 km (0.105 R)
• M11: 6,571,685 km (0.088 R)
• M12: 7,990,920 km (0.11 R)
• M13: 8,622,672 km (0.087 R)
• M14: 9,876,900 km (0.115 R)
• M15: 11,071,140 km (0.08 R)
• M16: 17,142,420 km (0.096 R)
• M17: 28,901,261 km (0.119 R)
• M18: 33,528,174 km (0.117 R)
• M19: 35,045,695 km (0.044 R)
• M20: 42,299,845 km (0.092 R)
• M21: 43,623,637 km (0.087 R)
• M22: 47,445,862 km (0.096 R)
• M23: 48,236,337 km (0.084 R)
• M24: 50,169,142 km (0.112 R)
• M25: 52,320,658 km (0.097 R)
• M26: 53,164,390 km (0.1 R)
• M27: 54,017,248 km (0.064 R)
• M28: 55,400,579 km (0.085 R)
• M29: 56,277,073 km (0.097 R)
• M30: 60,798,968 km (0.108 R)
• M31: 64,200,973 km (0.062 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773

Radius: 10.1

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 10.06 AU - 11.9 AU

Year: 13931 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,246,051 km

• M1: 125,662 km (0.108 R)
• M2: 1,050,327 km (0.065 R)
• M3: 1,533,528 km (0.086 R)
• M4: 1,923,081 km (0.107 R)
• M5: 2,238,433 km (0.101 R)
• M6: 3,171,176 km (0.099 R)
• M7: 4,071,605 km (0.064 R)
• M8: 7,984,188 km (0.055 R)
• M9: 10,181,631 km (0.088 R)
• M10: 11,152,222 km (0.107 R)
• M11: 15,511,205 km (0.096 R)
• M12: 20,979,605 km (0.102 R)
• M13: 21,892,751 km (0.088 R)
• M14: 23,505,715 km (0.109 R)
• M15: 23,994,750 km (0.069 R)
• M16: 29,266,131 km (0.098 R)
• M17: 30,060,795 km (0.114 R)
• M18: 31,220,926 km (0.095 R)
• M19: 31,812,137 km (0.059 R)
• M20: 32,531,403 km (0.101 R)
• M21: 34,126,865 km (0.108 R)
• M22: 34,502,355 km (0.115 R)
• M23: 35,517,078 km (0.115 R)
• M24: 36,291,097 km (0.101 R)
• M25: 40,891,232 km (0.086 R)
• M26: 44,959,994 km (0.07 R)
• M27: 48,655,959 km (0.095 R)
• M28: 53,050,397 km (0.114 R)
• M29: 56,296,820 km (0.1 R)
• M30: 61,688,627 km (0.075 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: 530 - 18,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit