🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.2

Radius: 10.1

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.58 AU - 0.58 AU

Year: 305 Days

Day: 13.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,584,227 km

• M1: 125,662 km (0.096 R)
• M2: 448,494 km (0.067 R)
• M3: 913,145 km (0.114 R)
• M4: 1,298,210 km (0.047 R)
• M5: 1,683,874 km (0.083 R)
• M6: 2,175,602 km (0.089 R)
• M7: 2,717,445 km (0.113 R)
• M8: 3,044,466 km (0.106 R)
• M9: 3,595,435 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.7

Radius: 8.4

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.86 AU - 0.95 AU

Year: 589 Days

Day: 12.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,584,227 km

• M1: 104,419 km (0.08 R)
• M2: 472,131 km (0.105 R)
• M3: 754,871 km (0.109 R)
• M4: 1,160,431 km (0.086 R)
• M5: 1,638,695 km (0.096 R)
• M6: 2,106,039 km (0.08 R)
• M7: 2,798,976 km (0.118 R)
• M8: 4,013,860 km (0.079 R)
• M9: 4,961,114 km (0.091 R)
• M10: 6,504,515 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.9

Radius: 10.5

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.77 AU - 1.09 AU

Year: 619 Days

Day: 8 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,584,227 km

• M1: 130,749 km (0.114 R)
• M2: 470,336 km (0.069 R)
• M3: 818,749 km (0.053 R)
• M4: 1,165,667 km (0.086 R)
• M5: 1,750,445 km (0.038 R)
• M6: 2,193,404 km (0.11 R)
• M7: 3,016,940 km (0.099 R)
• M8: 3,507,172 km (0.092 R)
• M9: 3,960,604 km (0.079 R)
• M10: 4,549,570 km (0.113 R)
• M11: 5,055,211 km (0.039 R)
• M12: 5,710,899 km (0.073 R)
• M13: 6,079,508 km (0.064 R)
• M14: 7,484,830 km (0.078 R)
• M15: 7,879,619 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792

Radius: 13.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.55 AU - 2.53 AU

Year: 2011 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,584,227 km

• M1: 166,652 km (0.112 R)
• M2: 651,948 km (0.082 R)
• M3: 1,068,578 km (0.109 R)
• M4: 2,069,986 km (0.102 R)
• M5: 2,727,319 km (0.101 R)
• M6: 3,170,128 km (0.062 R)
• M7: 9,155,240 km (0.05 R)
• M8: 10,670,068 km (0.076 R)
• M9: 14,462,973 km (0.066 R)
• M10: 15,535,888 km (0.114 R)
• M11: 16,165,396 km (0.093 R)
• M12: 17,116,091 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 14.1

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.75 AU - 4.89 AU

Year: 6198 Days

Day: 13.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,584,227 km

• M1: 177,273 km (0.062 R)
• M2: 889,808 km (0.038 R)
• M3: 1,467,705 km (0.058 R)
• M4: 2,245,913 km (0.073 R)
• M5: 3,144,697 km (0.115 R)
• M6: 4,487,188 km (0.104 R)
• M7: 5,004,198 km (0.084 R)
• M8: 5,446,260 km (0.064 R)
• M9: 7,946,041 km (0.09 R)
• M10: 10,875,167 km (0.045 R)
• M11: 12,085,414 km (0.118 R)
• M12: 12,601,975 km (0.088 R)
• M13: 15,226,221 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.7

Radius: 4.5

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.31 AU - 6.71 AU

Year: 10170 Days

Day: 21.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,584,227 km

• M1: 58,642 km (0.088 R)
• M2: 287,527 km (0.077 R)
• M3: 538,552 km (0.068 R)
• M4: 740,659 km (0.067 R)
• M5: 1,436,439 km (0.109 R)
• M6: 1,703,321 km (0.1 R)
• M7: 2,172,161 km (0.093 R)
• M8: 2,622,002 km (0.081 R)
• M9: 3,725,286 km (0.063 R)
• M10: 4,556,901 km (0.116 R)
• M11: 4,851,459 km (0.074 R)
• M12: 5,560,553 km (0.104 R)
• M13: 10,456,742 km (0.082 R)
• M14: 15,301,020 km (0.12 R)
• M15: 19,865,700 km (0.107 R)
• M16: 21,865,225 km (0.072 R)
• M17: 23,055,874 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480

Radius: 5.5

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.41 AU - 6.67 AU

Year: 10246 Days

Day: 21.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,584,227 km

• M1: 68,366 km (0.117 R)
• M2: 355,445 km (0.101 R)
• M3: 658,231 km (0.101 R)
• M4: 918,681 km (0.051 R)
• M5: 1,355,506 km (0.12 R)
• M6: 2,364,993 km (0.109 R)
• M7: 3,551,453 km (0.115 R)
• M8: 4,191,882 km (0.089 R)
• M9: 4,553,759 km (0.07 R)
• M10: 4,727,742 km (0.099 R)
• M11: 5,533,775 km (0.077 R)
• M12: 5,866,929 km (0.074 R)
• M13: 8,941,315 km (0.08 R)
• M14: 10,922,589 km (0.066 R)
• M15: 13,893,753 km (0.113 R)
• M16: 18,004,403 km (0.081 R)
• M17: 18,661,287 km (0.115 R)
• M18: 31,458,039 km (0.111 R)
• M19: 31,668,074 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.4

Radius: 6.2

Gravity: 19.73 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.42 AU - 9.3 AU

Year: 15211 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 65,584,227 km

• M1: 95,144 km (0.041 R)
• M2: 307,124 km (0.059 R)
• M3: 675,135 km (0.116 R)
• M4: 960,269 km (0.099 R)
• M5: 1,593,517 km (0.088 R)
• M6: 2,325,798 km (0.118 R)
• M7: 2,629,183 km (0.114 R)
• M8: 3,007,815 km (0.104 R)
• M9: 3,449,278 km (0.111 R)
• M10: 4,206,991 km (0.047 R)
• M11: 4,461,009 km (0.079 R)
• M12: 5,469,149 km (0.045 R)
• M13: 6,006,803 km (0.071 R)
• M14: 9,129,360 km (0.087 R)
• M15: 9,556,162 km (0.067 R)
• M16: 9,774,575 km (0.092 R)
• M17: 10,277,972 km (0.04 R)
• M18: 11,155,214 km (0.101 R)
• M19: 14,297,517 km (0.064 R)
• M20: 15,166,382 km (0.05 R)
• M21: 16,146,996 km (0.041 R)
• M22: 17,330,016 km (0.046 R)
• M23: 20,313,296 km (0.115 R)
• M24: 21,596,846 km (0.115 R)
• M25: 23,423,885 km (0.084 R)
• M26: 24,122,208 km (0.073 R)
• M27: 25,665,310 km (0.081 R)
• M28: 31,403,435 km (0.099 R)
• M29: 31,644,288 km (0.044 R)
• M30: 32,130,032 km (0.101 R)
• M31: 33,116,181 km (0.114 R)
• M32: 34,890,263 km (0.03 R)
• M33: 41,888,750 km (0.119 R)
• M34: 44,870,685 km (0.112 R)
• M35: 45,946,892 km (0.092 R)
• M36: 55,534,769 km (0.109 R)
• M37: 57,132,773 km (0.116 R)
• M38: 57,491,958 km (0.051 R)
• M39: 58,033,652 km (0.031 R)
• M40: 60,048,735 km (0.055 R)
• M41: 63,831,467 km (0.074 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 12,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit