🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.4 AU - 0.66 AU

Year: 253 Days

Day: 35 Hours

Environment

Temp: -114 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,567,619 km

• M1: 193,729 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.52 AU - 0.56 AU

Year: 260 Days

Day: 17.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,567,619 km

• M1: 33,809 km (0.055 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.46 AU - 0.76 AU

Year: 313 Days

Day: 43.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,567,619 km

• M1: 38,447 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 9.2

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.63 AU - 1.05 AU

Year: 505 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,567,619 km

• M1: 114,442 km (0.072 R)
• M2: 410,497 km (0.087 R)
• M3: 860,637 km (0.034 R)
• M4: 1,398,441 km (0.041 R)
• M5: 1,852,919 km (0.065 R)
• M6: 2,221,229 km (0.101 R)
• M7: 2,659,252 km (0.094 R)
• M8: 3,106,699 km (0.069 R)
• M9: 3,564,768 km (0.111 R)
• M10: 4,095,691 km (0.079 R)
• M11: 5,047,582 km (0.038 R)
• M12: 5,418,734 km (0.112 R)
• M13: 5,826,089 km (0.112 R)
• M14: 6,388,128 km (0.113 R)
• M15: 6,802,664 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.4

Radius: 14

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.45 AU - 5.09 AU

Year: 5788 Days

Day: 12.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,567,619 km

• M1: 174,132 km (0.05 R)
• M2: 642,672 km (0.111 R)
• M3: 1,135,298 km (0.112 R)
• M4: 1,650,663 km (0.07 R)
• M5: 3,694,469 km (0.084 R)
• M6: 4,137,428 km (0.12 R)
• M7: 5,364,879 km (0.11 R)
• M8: 6,339,359 km (0.115 R)
• M9: 7,527,615 km (0.115 R)
• M10: 7,966,685 km (0.083 R)
• M11: 9,426,611 km (0.118 R)
• M12: 10,220,377 km (0.09 R)
• M13: 11,450,071 km (0.104 R)
• M14: 12,871,401 km (0.115 R)
• M15: 14,407,322 km (0.117 R)
• M16: 15,515,244 km (0.105 R)
• M17: 16,284,925 km (0.086 R)
• M18: 17,253,571 km (0.093 R)
• M19: 24,108,445 km (0.036 R)
• M20: 24,621,266 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.4

Radius: 9.4

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.49 AU - 6.63 AU

Year: 8600 Days

Day: 11.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,567,619 km

• M1: 116,836 km (0.077 R)
• M2: 415,882 km (0.052 R)
• M3: 763,847 km (0.093 R)
• M4: 1,392,158 km (0.028 R)
• M5: 2,136,706 km (0.105 R)
• M6: 2,472,703 km (0.1 R)
• M7: 5,173,992 km (0.038 R)
• M8: 7,715,211 km (0.068 R)
• M9: 8,720,957 km (0.03 R)
• M10: 10,366,235 km (0.11 R)
• M11: 10,941,738 km (0.084 R)
• M12: 16,339,229 km (0.064 R)
• M13: 17,052,811 km (0.061 R)
• M14: 17,719,569 km (0.111 R)
• M15: 22,802,306 km (0.061 R)
• M16: 26,329,674 km (0.1 R)
• M17: 27,672,764 km (0.117 R)
• M18: 28,038,680 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.7

Radius: 3.7

Gravity: 36.21 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.05 AU - 10.97 AU

Year: 19239 Days

Day: 20.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 66,567,619 km

• M1: 46,076 km (0.047 R)
• M2: 440,416 km (0.093 R)
• M3: 1,162,076 km (0.098 R)
• M4: 2,225,867 km (0.103 R)
• M5: 2,393,416 km (0.081 R)
• M6: 2,637,560 km (0.112 R)
• M7: 3,201,694 km (0.114 R)
• M8: 3,470,521 km (0.119 R)
• M9: 3,610,395 km (0.105 R)
• M10: 3,842,122 km (0.06 R)
• M11: 4,083,723 km (0.109 R)
• M12: 4,766,188 km (0.067 R)
• M13: 7,130,283 km (0.093 R)
• M14: 8,613,247 km (0.101 R)
• M15: 8,974,376 km (0.06 R)
• M16: 9,238,566 km (0.036 R)
• M17: 11,174,063 km (0.099 R)
• M18: 12,107,853 km (0.034 R)
• M19: 12,560,836 km (0.094 R)
• M20: 14,558,865 km (0.111 R)
• M21: 15,145,139 km (0.119 R)
• M22: 15,519,433 km (0.115 R)
• M23: 16,364,661 km (0.104 R)
• M24: 16,521,589 km (0.054 R)
• M25: 16,758,851 km (0.11 R)
• M26: 31,979,686 km (0.089 R)
• M27: 32,102,057 km (0.064 R)
• M28: 34,361,135 km (0.055 R)
• M29: 35,792,637 km (0.108 R)
• M30: 47,099,992 km (0.09 R)
• M31: 47,896,601 km (0.116 R)
• M32: 48,056,970 km (0.106 R)
• M33: 48,540,320 km (0.107 R)
• M34: 53,036,933 km (0.093 R)
• M35: 55,474,331 km (0.072 R)
• M36: 56,720,481 km (0.089 R)
• M37: 59,084,128 km (0.05 R)
• M38: 60,946,472 km (0.094 R)
• M39: 61,134,815 km (0.049 R)
• M40: 63,425,458 km (0.112 R)
• M41: 66,567,612 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 15,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit