🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 8.3

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.61 AU - 0.95 AU

Year: 484 Days

Day: 8.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 144.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,182,996 km

• M1: 103,223 km (0.063 R)
• M2: 365,916 km (0.049 R)
• M3: 742,903 km (0.112 R)
• M4: 1,163,871 km (0.063 R)
• M5: 1,577,061 km (0.087 R)
• M6: 1,910,514 km (0.032 R)
• M7: 2,624,545 km (0.038 R)
• M8: 3,441,200 km (0.046 R)
• M9: 4,106,910 km (0.095 R)
• M10: 4,372,147 km (0.09 R)
• M11: 4,969,940 km (0.098 R)
• M12: 5,801,555 km (0.074 R)
• M13: 6,824,206 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 13.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.42 AU - 1.44 AU

Year: 1202 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,182,996 km

• M1: 166,652 km (0.095 R)
• M2: 813,663 km (0.116 R)
• M3: 1,815,370 km (0.12 R)
• M4: 2,281,517 km (0.045 R)
• M5: 3,145,594 km (0.075 R)
• M6: 4,217,912 km (0.059 R)
• M7: 6,596,518 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.3

Radius: 8.6

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.4 AU - 1.6 AU

Year: 1291 Days

Day: 14.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,182,996 km

• M1: 129,851 km (0.096 R)
• M2: 426,803 km (0.07 R)
• M3: 1,150,408 km (0.064 R)
• M4: 1,439,132 km (0.104 R)
• M5: 1,776,924 km (0.082 R)
• M6: 2,089,284 km (0.051 R)
• M7: 2,512,795 km (0.053 R)
• M8: 2,839,816 km (0.113 R)
• M9: 3,961,501 km (0.086 R)
• M10: 4,242,596 km (0.047 R)
• M11: 4,631,700 km (0.066 R)
• M12: 4,984,152 km (0.119 R)
• M13: 5,876,653 km (0.055 R)
• M14: 6,504,366 km (0.064 R)
• M15: 6,871,928 km (0.119 R)
• M16: 7,462,391 km (0.114 R)
• M17: 8,540,542 km (0.107 R)
• M18: 9,469,096 km (0.074 R)
• M19: 10,006,003 km (0.118 R)
• M20: 10,563,106 km (0.054 R)
• M21: 11,210,116 km (0.112 R)
• M22: 12,658,224 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 14.9

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.55 AU - 1.81 AU

Year: 1531 Days

Day: 10.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 52,182,996 km

• M1: 205,847 km (0.079 R)
• M2: 1,238,670 km (0.065 R)
• M3: 2,495,442 km (0.108 R)
• M4: 3,940,109 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 10.6

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.31 AU - 2.15 AU

Year: 1599 Days

Day: 6.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,182,996 km

• M1: 131,796 km (0.102 R)
• M2: 778,657 km (0.096 R)
• M3: 1,351,168 km (0.071 R)
• M4: 1,694,196 km (0.101 R)
• M5: 2,891,278 km (0.077 R)
• M6: 4,163,608 km (0.087 R)
• M7: 5,350,218 km (0.104 R)
• M8: 5,685,018 km (0.117 R)
• M9: 6,274,583 km (0.095 R)
• M10: 6,904,241 km (0.062 R)
• M11: 7,410,779 km (0.082 R)
• M12: 8,143,659 km (0.051 R)
• M13: 9,048,726 km (0.092 R)
• M14: 11,238,241 km (0.095 R)
• M15: 12,514,161 km (0.115 R)
• M16: 13,227,593 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 13.6

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.4 AU - 2.22 AU

Year: 1712 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,182,996 km

• M1: 169,195 km (0.073 R)
• M2: 655,388 km (0.057 R)
• M3: 1,107,473 km (0.116 R)
• M4: 1,872,666 km (0.09 R)
• M5: 2,335,971 km (0.088 R)
• M6: 2,772,049 km (0.109 R)
• M7: 3,424,744 km (0.036 R)
• M8: 4,025,828 km (0.062 R)
• M9: 4,752,874 km (0.058 R)
• M10: 5,734,834 km (0.12 R)
• M11: 6,377,357 km (0.12 R)
• M12: 7,806,914 km (0.11 R)
• M13: 8,541,141 km (0.082 R)
• M14: 9,410,454 km (0.053 R)
• M15: 9,866,877 km (0.047 R)
• M16: 10,660,643 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.7

Radius: 11.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.69 AU - 5.45 AU

Year: 6867 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,182,996 km

• M1: 146,905 km (0.118 R)
• M2: 568,023 km (0.118 R)
• M3: 1,268,740 km (0.075 R)
• M4: 2,305,602 km (0.101 R)
• M5: 2,989,115 km (0.1 R)
• M6: 5,271,829 km (0.119 R)
• M7: 5,795,870 km (0.101 R)
• M8: 8,694,628 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.4

Radius: 9.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.21 AU - 6.45 AU

Year: 8650 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,182,996 km

• M1: 118,182 km (0.12 R)
• M2: 447,746 km (0.114 R)
• M3: 849,866 km (0.091 R)
• M4: 1,414,747 km (0.108 R)
• M5: 2,521,023 km (0.118 R)
• M6: 3,266,470 km (0.057 R)
• M7: 4,826,027 km (0.101 R)
• M8: 5,346,329 km (0.12 R)
• M9: 5,769,242 km (0.067 R)
• M10: 7,368,443 km (0.116 R)
• M11: 8,017,399 km (0.103 R)
• M12: 8,836,896 km (0.11 R)
• M13: 9,522,503 km (0.097 R)
• M14: 10,047,591 km (0.048 R)
• M15: 13,082,932 km (0.028 R)
• M16: 15,094,575 km (0.092 R)
• M17: 16,207,433 km (0.099 R)
• M18: 16,545,076 km (0.084 R)
• M19: 17,374,297 km (0.102 R)
• M20: 18,669,814 km (0.074 R)
• M21: 20,970,330 km (0.084 R)
• M22: 23,367,636 km (0.106 R)
• M23: 25,485,344 km (0.1 R)
• M24: 25,850,362 km (0.073 R)
• M25: 28,406,092 km (0.097 R)
• M26: 38,854,905 km (0.1 R)
• M27: 41,565,170 km (0.076 R)
• M28: 42,581,089 km (0.077 R)
• M29: 43,095,257 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.9

Radius: 3.2

Gravity: 93.06 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.24 AU - 6.48 AU

Year: 11274 Days

Day: 17.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,182,996 km

• M1: 44,730 km (0.115 R)
• M2: 167,101 km (0.082 R)
• M3: 388,954 km (0.101 R)
• M4: 510,129 km (0.082 R)
• M5: 673,490 km (0.116 R)
• M6: 1,231,340 km (0.116 R)
• M7: 1,683,275 km (0.072 R)
• M8: 1,920,089 km (0.041 R)
• M9: 2,083,749 km (0.075 R)
• M10: 2,336,569 km (0.09 R)
• M11: 2,997,642 km (0.031 R)
• M12: 3,319,577 km (0.071 R)
• M13: 6,365,838 km (0.049 R)
• M14: 6,688,820 km (0.086 R)
• M15: 7,543,921 km (0.105 R)
• M16: 8,137,376 km (0.095 R)
• M17: 9,995,531 km (0.101 R)
• M18: 10,211,999 km (0.094 R)
• M19: 10,710,310 km (0.096 R)
• M20: 13,316,903 km (0.111 R)
• M21: 14,523,260 km (0.096 R)
• M22: 19,233,948 km (0.058 R)
• M23: 20,078,129 km (0.112 R)
• M24: 21,212,080 km (0.075 R)
• M25: 22,112,959 km (0.084 R)
• M26: 25,067,218 km (0.083 R)
• M27: 25,768,832 km (0.117 R)
• M28: 26,277,913 km (0.067 R)
• M29: 31,165,724 km (0.073 R)
• M30: 31,976,545 km (0.113 R)
• M31: 33,761,547 km (0.09 R)
• M32: 37,139,616 km (0.095 R)
• M33: 38,578,149 km (0.083 R)
• M34: 38,710,693 km (0.054 R)
• M35: 41,565,768 km (0.057 R)
• M36: 43,688,861 km (0.098 R)
• M37: 45,290,905 km (0.034 R)
• M38: 45,438,408 km (0.094 R)
• M39: 55,058,599 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.1

Radius: 3

Gravity: 61.57 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.28 AU - 7.44 AU

Year: 12630 Days

Day: 22.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,182,996 km

• M1: 48,021 km (0.074 R)
• M2: 331,359 km (0.103 R)
• M3: 1,075,160 km (0.084 R)
• M4: 1,651,710 km (0.103 R)
• M5: 1,762,113 km (0.105 R)
• M6: 2,370,229 km (0.087 R)
• M7: 2,765,167 km (0.036 R)
• M8: 3,501,338 km (0.042 R)
• M9: 4,570,813 km (0.07 R)
• M10: 5,416,789 km (0.072 R)
• M11: 5,732,441 km (0.116 R)
• M12: 5,876,653 km (0.114 R)
• M13: 6,995,196 km (0.08 R)
• M14: 8,478,609 km (0.087 R)
• M15: 8,665,756 km (0.095 R)
• M16: 8,951,787 km (0.091 R)
• M17: 9,145,965 km (0.111 R)
• M18: 13,326,178 km (0.108 R)
• M19: 17,317,001 km (0.037 R)
• M20: 20,827,165 km (0.087 R)
• M21: 22,747,703 km (0.119 R)
• M22: 27,037,422 km (0.081 R)
• M23: 29,531,368 km (0.116 R)
• M24: 33,204,893 km (0.078 R)
• M25: 33,669,843 km (0.111 R)
• M26: 36,922,400 km (0.113 R)
• M27: 37,171,331 km (0.07 R)
• M28: 46,606,319 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 17,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit