🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.46 AU - 0.6 AU

Year: 138 Days

Day: 22 Hours

Environment

Temp: 228 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.45 AU - 0.69 AU

Year: 153 Days

Day: 29.3 Hours

Environment

Temp: 174 °C

Axial Tilt: 23.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,878,209 km

• M1: 322,683 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.73 AU - 0.75 AU

Year: 227 Days

Day: 36.6 Hours

Environment

Temp: 120 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.83 AU - 1.05 AU

Year: 325 Days

Day: 41.5 Hours

Environment

Temp: 96 °C

Axial Tilt: 9.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,878,209 km

• M1: 46,525 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.19 AU - 1.39 AU

Year: 522 Days

Day: 41.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 17.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 72,878,209 km

• M1: 46,675 km (0.099 R)
• M2: 458,069 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.42 AU - 5.1 AU

Year: 3134 Days

Day: 40.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.9

Radius: 8.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.89 AU - 12.67 AU

Year: 12616 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 72,878,209 km

• M1: 115,190 km (0.104 R)
• M2: 356,492 km (0.11 R)
• M3: 470,186 km (0.09 R)
• M4: 521,498 km (0.086 R)
• M5: 630,705 km (0.039 R)
• M6: 772,374 km (0.115 R)
• M7: 1,115,252 km (0.099 R)
• M8: 1,215,333 km (0.036 R)
• M9: 1,549,535 km (0.049 R)
• M10: 1,678,189 km (0.096 R)
• M11: 2,032,736 km (0.118 R)
• M12: 2,103,047 km (0.06 R)
• M13: 2,227,811 km (0.031 R)
• M14: 2,908,332 km (0.059 R)
• M15: 2,987,769 km (0.101 R)
• M16: 3,458,553 km (0.075 R)
• M17: 3,521,683 km (0.092 R)
• M18: 3,627,748 km (0.056 R)
• M19: 4,174,080 km (0.113 R)
• M20: 4,354,345 km (0.096 R)
• M21: 4,676,130 km (0.075 R)
• M22: 4,792,966 km (0.106 R)
• M23: 5,293,969 km (0.115 R)
• M24: 5,366,973 km (0.068 R)
• M25: 5,637,297 km (0.064 R)
• M26: 5,736,779 km (0.095 R)
• M27: 5,912,108 km (0.066 R)
• M28: 5,987,954 km (0.103 R)
• M29: 6,191,407 km (0.076 R)
• M30: 6,449,015 km (0.03 R)
• M31: 7,108,592 km (0.092 R)
• M32: 8,320,783 km (0.083 R)
• M33: 8,519,449 km (0.117 R)
• M34: 8,633,742 km (0.066 R)
• M35: 8,748,483 km (0.099 R)
• M36: 9,271,178 km (0.108 R)
• M37: 9,506,795 km (0.096 R)
• M38: 9,834,115 km (0.104 R)
• M39: 10,560,712 km (0.082 R)
• M40: 10,837,767 km (0.042 R)
• M41: 10,992,601 km (0.092 R)
• M42: 11,588,001 km (0.114 R)
• M43: 11,778,289 km (0.118 R)
• M44: 12,001,489 km (0.101 R)
• M45: 12,097,531 km (0.075 R)
• M46: 12,161,708 km (0.051 R)
• M47: 12,679,467 km (0.064 R)
• M48: 12,842,678 km (0.075 R)
• M49: 13,237,467 km (0.04 R)
• M50: 13,669,505 km (0.106 R)
• M51: 14,173,800 km (0.066 R)
• M52: 14,343,294 km (0.105 R)
• M53: 14,581,753 km (0.113 R)
• M54: 15,028,004 km (0.112 R)
• M55: 15,235,346 km (0.084 R)
• M56: 15,304,760 km (0.066 R)
• M57: 16,039,435 km (0.11 R)
• M58: 17,652,250 km (0.03 R)
• M59: 18,164,473 km (0.087 R)
• M60: 18,570,332 km (0.103 R)
• M61: 19,957,403 km (0.056 R)
• M62: 20,185,540 km (0.109 R)
• M63: 20,452,722 km (0.107 R)
• M64: 20,990,526 km (0.097 R)
• M65: 21,806,134 km (0.093 R)
• M66: 22,355,607 km (0.105 R)
• M67: 22,434,445 km (0.09 R)
• M68: 22,592,420 km (0.098 R)
• M69: 22,989,154 km (0.117 R)
• M70: 23,108,533 km (0.101 R)
• M71: 23,188,268 km (0.074 R)
• M72: 23,428,074 km (0.068 R)
• M73: 23,588,443 km (0.08 R)
• M74: 24,071,644 km (0.074 R)
• M75: 24,395,523 km (0.053 R)
• M76: 24,639,368 km (0.111 R)
• M77: 24,884,110 km (0.067 R)
• M78: 25,088,610 km (0.116 R)
• M79: 25,499,256 km (0.04 R)
• M80: 27,248,504 km (0.041 R)
• M81: 27,375,064 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.3

Radius: 5.5

Gravity: 27.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 10.68 AU - 15.78 AU

Year: 17153 Days

Day: 22.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 72,878,209 km

• M1: 545,135 km (0.05 R)
• M2: 907,012 km (0.103 R)
• M3: 1,388,119 km (0.102 R)
• M4: 1,445,863 km (0.069 R)
• M5: 1,936,844 km (0.094 R)
• M6: 2,100,205 km (0.078 R)
• M7: 2,760,978 km (0.069 R)
• M8: 2,982,234 km (0.09 R)
• M9: 3,599,923 km (0.048 R)
• M10: 3,679,958 km (0.096 R)
• M11: 3,882,364 km (0.101 R)
• M12: 4,171,985 km (0.086 R)
• M13: 4,684,657 km (0.105 R)
• M14: 5,126,869 km (0.083 R)
• M15: 5,536,318 km (0.087 R)
• M16: 5,815,019 km (0.097 R)
• M17: 5,908,966 km (0.108 R)
• M18: 6,289,842 km (0.104 R)
• M19: 6,338,013 km (0.086 R)
• M20: 6,678,647 km (0.049 R)
• M21: 9,169,601 km (0.112 R)
• M22: 10,000,917 km (0.096 R)
• M23: 10,856,018 km (0.062 R)
• M24: 10,971,807 km (0.071 R)
• M25: 11,380,359 km (0.036 R)
• M26: 12,332,549 km (0.067 R)
• M27: 12,757,258 km (0.119 R)
• M28: 13,372,105 km (0.078 R)
• M29: 13,496,271 km (0.113 R)
• M30: 13,745,651 km (0.109 R)
• M31: 14,059,657 km (0.111 R)
• M32: 14,312,477 km (0.074 R)
• M33: 14,694,550 km (0.082 R)
• M34: 15,468,869 km (0.09 R)
• M35: 15,664,393 km (0.088 R)
• M36: 15,860,965 km (0.113 R)
• M37: 16,922,362 km (0.059 R)
• M38: 17,869,765 km (0.109 R)
• M39: 20,598,580 km (0.08 R)
• M40: 20,742,044 km (0.091 R)
• M41: 21,029,721 km (0.104 R)
• M42: 21,318,893 km (0.12 R)
• M43: 21,464,003 km (0.115 R)
• M44: 21,536,558 km (0.072 R)
• M45: 22,858,255 km (0.073 R)
• M46: 23,304,655 km (0.025 R)
• M47: 23,979,491 km (0.065 R)
• M48: 24,130,436 km (0.118 R)
• M49: 24,357,226 km (0.114 R)
• M50: 27,213,049 km (0.111 R)
• M51: 27,844,352 km (0.087 R)
• M52: 27,923,639 km (0.079 R)
• M53: 28,241,236 km (0.041 R)
• M54: 30,580,498 km (0.07 R)
• M55: 32,479,493 km (0.089 R)
• M56: 32,897,320 km (0.106 R)
• M57: 33,064,869 km (0.115 R)
• M58: 33,991,927 km (0.081 R)
• M59: 35,699,288 km (0.102 R)
• M60: 38,400,427 km (0.101 R)
• M61: 38,488,540 km (0.119 R)
• M62: 38,753,628 km (0.035 R)
• M63: 39,019,313 km (0.091 R)
• M64: 39,998,581 km (0.042 R)
• M65: 40,356,718 km (0.095 R)
• M66: 40,446,477 km (0.118 R)
• M67: 41,166,492 km (0.103 R)
• M68: 41,709,233 km (0.106 R)
• M69: 41,799,889 km (0.091 R)
• M70: 43,076,408 km (0.077 R)
• M71: 46,793,466 km (0.053 R)
• M72: 48,404,037 km (0.102 R)
• M73: 48,785,511 km (0.097 R)
• M74: 49,072,440 km (0.109 R)
• M75: 50,225,391 km (0.081 R)
• M76: 50,515,012 km (0.112 R)
• M77: 52,166,872 km (0.11 R)
• M78: 52,460,233 km (0.098 R)
• M79: 52,558,070 km (0.105 R)
• M80: 54,627,906 km (0.115 R)
• M81: 60,789,544 km (0.074 R)
• M82: 60,892,467 km (0.052 R)
• M83: 61,717,200 km (0.073 R)
• M84: 62,649,344 km (0.106 R)
• M85: 63,065,226 km (0.111 R)
• M86: 64,213,390 km (0.058 R)
• M87: 65,263,268 km (0.099 R)
• M88: 65,579,368 km (0.091 R)
• M89: 66,212,915 km (0.111 R)
• M90: 66,636,576 km (0.093 R)
• M91: 67,060,985 km (0.119 R)
• M92: 68,125,973 km (0.057 R)
• M93: 69,841,711 km (0.096 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 10,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit