🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.64 AU - 0.64 AU

Year: 184 Days

Day: 37.2 Hours

Environment

Temp: 210 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,162,375 km

• M1: 202,406 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.74 AU - 0.82 AU

Year: 248 Days

Day: 36.2 Hours

Environment

Temp: 182 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,162,375 km

• M1: 271,969 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.87 AU - 1.29 AU

Year: 404 Days

Day: 25.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 33,162,375 km

• M1: 124,166 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.44 AU - 2.14 AU

Year: 862 Days

Day: 21.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,162,375 km

• M1: 876,943 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.68 AU - 2.2 AU

Year: 972 Days

Day: 31.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.34 AU - 2.64 AU

Year: 1414 Days

Day: 30.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,162,375 km

• M1: 427,252 km (0.1 R)
• M2: 1,511,387 km (0.071 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.34 AU - 3.1 AU

Year: 1614 Days

Day: 44.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.85 AU - 5.37 AU

Year: 3562 Days

Day: 22.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,162,375 km

• M1: 1,450,052 km (0.107 R)

Asteroid Belt

Center: 7.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.6

Radius: 8.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.74 AU - 12.02 AU

Year: 12036 Days

Day: 11.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 33,162,375 km

• M1: 133,142 km (0.036 R)
• M2: 210,035 km (0.037 R)
• M3: 272,717 km (0.074 R)
• M4: 344,673 km (0.086 R)
• M5: 425,008 km (0.06 R)
• M6: 619,634 km (0.067 R)
• M7: 871,408 km (0.108 R)
• M8: 1,077,254 km (0.094 R)
• M9: 1,154,596 km (0.087 R)
• M10: 1,234,033 km (0.093 R)
• M11: 1,315,264 km (0.091 R)
• M12: 1,535,323 km (0.115 R)
• M13: 1,785,451 km (0.103 R)
• M14: 1,991,297 km (0.098 R)
• M15: 2,224,820 km (0.079 R)
• M16: 2,696,950 km (0.064 R)
• M17: 3,290,256 km (0.114 R)
• M18: 3,427,586 km (0.082 R)
• M19: 3,755,355 km (0.083 R)
• M20: 4,166,899 km (0.111 R)
• M21: 4,340,582 km (0.05 R)
• M22: 4,491,377 km (0.065 R)
• M23: 4,592,954 km (0.093 R)
• M24: 4,928,203 km (0.064 R)
• M25: 5,085,580 km (0.09 R)
• M26: 5,432,347 km (0.034 R)
• M27: 5,567,734 km (0.041 R)
• M28: 6,460,982 km (0.118 R)
• M29: 6,953,459 km (0.106 R)
• M30: 7,398,063 km (0.086 R)
• M31: 7,639,066 km (0.1 R)
• M32: 8,036,098 km (0.1 R)
• M33: 8,628,506 km (0.045 R)
• M34: 9,299,602 km (0.117 R)
• M35: 9,723,562 km (0.111 R)
• M36: 10,522,565 km (0.112 R)
• M37: 10,964,178 km (0.102 R)
• M38: 11,446,631 km (0.094 R)
• M39: 11,550,900 km (0.118 R)
• M40: 11,760,337 km (0.077 R)
• M41: 12,432,032 km (0.098 R)
• M42: 12,826,671 km (0.086 R)
• M43: 13,043,738 km (0.069 R)
• M44: 13,261,851 km (0.045 R)
• M45: 13,334,855 km (0.118 R)
• M46: 15,471,113 km (0.086 R)
• M47: 15,856,626 km (0.087 R)
• M48: 16,441,105 km (0.117 R)
• M49: 17,311,017 km (0.098 R)
• M50: 17,711,341 km (0.117 R)
• M51: 19,012,842 km (0.096 R)
• M52: 19,343,005 km (0.073 R)
• M53: 19,550,347 km (0.095 R)
• M54: 20,344,862 km (0.094 R)
• M55: 20,937,120 km (0.111 R)
• M56: 21,107,362 km (0.099 R)
• M57: 21,965,605 km (0.093 R)
• M58: 23,010,396 km (0.033 R)
• M59: 23,186,024 km (0.09 R)
• M60: 23,893,323 km (0.076 R)
• M61: 24,473,314 km (0.058 R)
• M62: 24,697,561 km (0.041 R)
• M63: 25,510,626 km (0.1 R)
• M64: 26,700,378 km (0.094 R)
• M65: 27,674,559 km (0.077 R)
• M66: 27,908,231 km (0.119 R)
• M67: 28,095,677 km (0.101 R)
• M68: 28,424,643 km (0.052 R)
• M69: 28,566,013 km (0.096 R)
• M70: 28,707,682 km (0.118 R)
• M71: 29,466,891 km (0.1 R)
• M72: 30,232,682 km (0.116 R)
• M73: 31,344,943 km (0.107 R)
• M74: 31,686,175 km (0.106 R)
• M75: 31,979,686 km (0.074 R)
• M76: 33,013,707 km (0.105 R)

Kuiper Belt

Range: 30.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 16,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit