🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.73 AU - 1.11 AU

Year: 338 Days

Day: 26.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.23 AU - 1.49 AU

Year: 607 Days

Day: 13.8 Hours

Environment

Temp: -44 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.4 AU - 1.46 AU

Year: 655 Days

Day: 36 Hours

Environment

Temp: -59 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,671,069 km

• M1: 138,228 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.16 AU - 4.12 AU

Year: 2659 Days

Day: 18.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 89.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,671,069 km

• M1: 57,595 km (0.097 R)
• M2: 2,625,443 km (0.045 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.39 AU - 4.45 AU

Year: 2972 Days

Day: 26.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.93 AU - 3.93 AU

Year: 2983 Days

Day: 47.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10

Radius: 10.9

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.93 AU - 6.19 AU

Year: 5020 Days

Day: 13.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,671,069 km

• M1: 160,818 km (0.085 R)
• M2: 284,685 km (0.049 R)
• M3: 671,844 km (0.033 R)
• M4: 765,792 km (0.087 R)
• M5: 1,160,281 km (0.105 R)
• M6: 1,252,433 km (0.118 R)
• M7: 1,431,951 km (0.09 R)
• M8: 1,506,301 km (0.088 R)
• M9: 1,884,335 km (0.076 R)
• M10: 2,528,503 km (0.108 R)
• M11: 2,696,053 km (0.039 R)
• M12: 2,773,395 km (0.102 R)
• M13: 2,906,537 km (0.074 R)
• M14: 3,277,839 km (0.09 R)
• M15: 3,368,944 km (0.049 R)
• M16: 3,545,320 km (0.101 R)
• M17: 4,262,642 km (0.087 R)
• M18: 5,149,009 km (0.063 R)
• M19: 5,918,541 km (0.082 R)
• M20: 7,064,161 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 10.8

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.7 AU - 12.66 AU

Year: 14313 Days

Day: 8.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 65,671,069 km

• M1: 172,636 km (0.082 R)
• M2: 319,691 km (0.07 R)
• M3: 600,785 km (0.073 R)
• M4: 759,957 km (0.093 R)
• M5: 911,500 km (0.032 R)
• M6: 1,220,419 km (0.065 R)
• M7: 1,874,461 km (0.117 R)
• M8: 2,023,012 km (0.115 R)
• M9: 2,460,436 km (0.076 R)
• M10: 2,892,774 km (0.116 R)
• M11: 4,447,246 km (0.092 R)
• M12: 4,566,774 km (0.113 R)
• M13: 4,727,891 km (0.085 R)
• M14: 5,476,479 km (0.031 R)
• M15: 6,261,868 km (0.094 R)
• M16: 6,486,264 km (0.108 R)
• M17: 6,943,136 km (0.063 R)
• M18: 7,936,317 km (0.113 R)
• M19: 8,228,332 km (0.108 R)
• M20: 8,623,120 km (0.083 R)
• M21: 8,822,834 km (0.092 R)
• M22: 9,379,936 km (0.103 R)
• M23: 9,482,560 km (0.088 R)
• M24: 10,475,292 km (0.119 R)
• M25: 10,849,286 km (0.11 R)
• M26: 12,109,050 km (0.094 R)
• M27: 12,671,239 km (0.101 R)
• M28: 12,784,784 km (0.072 R)
• M29: 13,241,955 km (0.077 R)
• M30: 13,646,467 km (0.094 R)
• M31: 14,349,278 km (0.094 R)
• M32: 14,705,171 km (0.105 R)
• M33: 16,342,371 km (0.071 R)
• M34: 17,276,609 km (0.113 R)
• M35: 17,655,242 km (0.08 R)
• M36: 19,196,848 km (0.056 R)
• M37: 19,327,297 km (0.081 R)
• M38: 19,589,093 km (0.086 R)
• M39: 20,447,785 km (0.113 R)
• M40: 20,580,927 km (0.076 R)
• M41: 20,848,258 km (0.083 R)
• M42: 21,386,212 km (0.109 R)
• M43: 21,453,831 km (0.118 R)
• M44: 21,589,217 km (0.032 R)
• M45: 21,860,737 km (0.1 R)
• M46: 21,928,804 km (0.067 R)
• M47: 22,889,222 km (0.095 R)
• M48: 23,863,404 km (0.06 R)
• M49: 24,851,049 km (0.108 R)
• M50: 25,349,808 km (0.107 R)
• M51: 25,564,631 km (0.072 R)
• M52: 25,852,008 km (0.084 R)
• M53: 26,357,499 km (0.096 R)
• M54: 27,524,961 km (0.065 R)
• M55: 28,485,978 km (0.103 R)
• M56: 28,783,977 km (0.071 R)
• M57: 29,008,074 km (0.095 R)
• M58: 29,458,065 km (0.036 R)
• M59: 31,051,132 km (0.102 R)
• M60: 32,672,025 km (0.066 R)
• M61: 33,453,525 km (0.102 R)
• M62: 33,610,453 km (0.071 R)
• M63: 33,767,830 km (0.108 R)
• M64: 34,083,182 km (0.101 R)
• M65: 35,434,051 km (0.066 R)
• M66: 37,533,956 km (0.112 R)
• M67: 37,860,528 km (0.113 R)
• M68: 38,928,657 km (0.086 R)
• M69: 40,089,985 km (0.088 R)
• M70: 42,361,629 km (0.099 R)
• M71: 42,616,544 km (0.051 R)
• M72: 42,957,328 km (0.067 R)
• M73: 44,329,439 km (0.068 R)
• M74: 44,847,646 km (0.074 R)
• M75: 46,502,049 km (0.108 R)
• M76: 47,645,426 km (0.098 R)
• M77: 48,442,483 km (0.115 R)
• M78: 50,229,280 km (0.071 R)
• M79: 51,040,400 km (0.057 R)
• M80: 53,041,421 km (0.074 R)
• M81: 53,959,354 km (0.082 R)
• M82: 54,327,963 km (0.085 R)
• M83: 54,605,018 km (0.033 R)
• M84: 56,557,569 km (0.12 R)
• M85: 56,838,365 km (0.052 R)
• M86: 57,683,443 km (0.119 R)
• M87: 58,911,641 km (0.041 R)
• M88: 59,576,454 km (0.105 R)
• M89: 60,434,847 km (0.044 R)
• M90: 61,778,385 km (0.103 R)
• M91: 63,131,797 km (0.092 R)
• M92: 64,788,295 km (0.05 R)
• M93: 65,572,786 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 18,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit