🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.8

Radius: 12.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.69 AU - 0.85 AU

Year: 436 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,306,552 km

• M1: 159,471 km (0.091 R)
• M2: 632,051 km (0.111 R)
• M3: 1,081,742 km (0.055 R)
• M4: 1,695,991 km (0.086 R)
• M5: 2,406,431 km (0.115 R)
• M6: 3,297,735 km (0.058 R)
• M7: 3,722,294 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 11

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.63 AU - 1.01 AU

Year: 479 Days

Day: 5.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,306,552 km

• M1: 137,480 km (0.073 R)
• M2: 502,798 km (0.104 R)
• M3: 914,193 km (0.076 R)
• M4: 1,277,416 km (0.08 R)
• M5: 1,806,245 km (0.1 R)
• M6: 2,200,285 km (0.114 R)
• M7: 2,589,838 km (0.112 R)
• M8: 3,381,660 km (0.042 R)
• M9: 3,904,205 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.7

Radius: 15

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.12 AU - 1.36 AU

Year: 892 Days

Day: 6.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 57.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,306,552 km

• M1: 186,549 km (0.112 R)
• M2: 657,483 km (0.118 R)
• M3: 1,721,273 km (0.058 R)
• M4: 2,402,243 km (0.069 R)
• M5: 3,630,591 km (0.055 R)
• M6: 4,443,655 km (0.091 R)
• M7: 4,973,830 km (0.062 R)
• M8: 5,451,047 km (0.062 R)
• M9: 8,066,168 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 11.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.6 AU - 2.06 AU

Year: 1598 Days

Day: 9.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,306,552 km

• M1: 143,016 km (0.12 R)
• M2: 522,246 km (0.089 R)
• M3: 988,692 km (0.074 R)
• M4: 1,622,539 km (0.089 R)
• M5: 1,985,164 km (0.107 R)
• M6: 2,892,774 km (0.076 R)
• M7: 3,433,570 km (0.111 R)
• M8: 4,040,938 km (0.109 R)
• M9: 5,095,453 km (0.06 R)
• M10: 5,687,412 km (0.03 R)
• M11: 6,301,212 km (0.03 R)
• M12: 7,059,972 km (0.059 R)
• M13: 8,730,083 km (0.117 R)
• M14: 9,147,910 km (0.099 R)
• M15: 11,583,064 km (0.09 R)
• M16: 11,942,398 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.2

Radius: 9.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.5 AU - 2.22 AU

Year: 1638 Days

Day: 8.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,306,552 km

• M1: 115,639 km (0.075 R)
• M2: 499,657 km (0.07 R)
• M3: 1,018,014 km (0.096 R)
• M4: 1,492,688 km (0.042 R)
• M5: 1,832,125 km (0.06 R)
• M6: 2,243,968 km (0.098 R)
• M7: 2,705,029 km (0.053 R)
• M8: 3,134,375 km (0.057 R)
• M9: 3,667,691 km (0.094 R)
• M10: 4,098,383 km (0.08 R)
• M11: 4,511,273 km (0.068 R)
• M12: 5,080,044 km (0.086 R)
• M13: 5,381,933 km (0.111 R)
• M14: 6,147,575 km (0.08 R)
• M15: 6,847,095 km (0.054 R)
• M16: 7,216,302 km (0.038 R)
• M17: 7,598,824 km (0.075 R)
• M18: 8,667,551 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 11.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.28 AU - 3.46 AU

Year: 3139 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,306,552 km

• M1: 144,212 km (0.114 R)
• M2: 1,233,584 km (0.089 R)
• M3: 1,642,136 km (0.084 R)
• M4: 2,248,157 km (0.109 R)
• M5: 3,694,918 km (0.094 R)
• M6: 4,386,958 km (0.118 R)
• M7: 5,610,519 km (0.081 R)
• M8: 5,975,986 km (0.114 R)
• M9: 11,743,882 km (0.076 R)
• M10: 12,475,864 km (0.026 R)
• M11: 14,855,069 km (0.108 R)
• M12: 16,073,244 km (0.116 R)
• M13: 17,743,953 km (0.065 R)
• M14: 18,592,771 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 13.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.57 AU - 6.49 AU

Year: 8397 Days

Day: 6.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,306,552 km

• M1: 197,320 km (0.12 R)
• M2: 698,024 km (0.051 R)
• M3: 2,608,538 km (0.054 R)
• M4: 4,694,531 km (0.105 R)
• M5: 7,245,623 km (0.054 R)
• M6: 7,910,735 km (0.116 R)
• M7: 8,575,997 km (0.118 R)
• M8: 17,628,613 km (0.09 R)
• M9: 18,970,955 km (0.082 R)
• M10: 20,670,387 km (0.09 R)
• M11: 23,486,267 km (0.061 R)
• M12: 26,635,153 km (0.12 R)
• M13: 27,596,768 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.8

Radius: 4.7

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.93 AU - 6.11 AU

Year: 9537 Days

Day: 18.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,306,552 km

• M1: 59,091 km (0.06 R)
• M2: 344,225 km (0.067 R)
• M3: 608,564 km (0.11 R)
• M4: 2,001,919 km (0.044 R)
• M5: 3,519,589 km (0.033 R)
• M6: 4,770,676 km (0.076 R)
• M7: 4,986,396 km (0.088 R)
• M8: 6,356,114 km (0.106 R)
• M9: 14,682,732 km (0.105 R)
• M10: 20,525,277 km (0.118 R)
• M11: 20,952,528 km (0.117 R)
• M12: 24,033,197 km (0.106 R)
• M13: 25,069,611 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.4

Radius: 6.9

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.08 AU - 7.34 AU

Year: 9992 Days

Day: 22.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,306,552 km

• M1: 85,869 km (0.099 R)
• M2: 454,778 km (0.092 R)
• M3: 868,565 km (0.099 R)
• M4: 1,698,235 km (0.094 R)
• M5: 1,930,561 km (0.109 R)
• M6: 2,219,434 km (0.031 R)
• M7: 2,779,528 km (0.096 R)
• M8: 3,059,426 km (0.101 R)
• M9: 3,334,387 km (0.098 R)
• M10: 3,987,382 km (0.071 R)
• M11: 5,478,124 km (0.101 R)
• M12: 6,458,439 km (0.039 R)
• M13: 7,267,016 km (0.116 R)
• M14: 8,184,500 km (0.035 R)
• M15: 8,898,680 km (0.111 R)
• M16: 9,223,906 km (0.109 R)
• M17: 10,553,232 km (0.11 R)
• M18: 10,812,635 km (0.112 R)
• M19: 12,808,869 km (0.111 R)
• M20: 13,104,325 km (0.036 R)
• M21: 14,714,297 km (0.071 R)
• M22: 17,084,077 km (0.092 R)
• M23: 18,099,398 km (0.038 R)
• M24: 20,570,156 km (0.095 R)
• M25: 25,698,969 km (0.068 R)
• M26: 28,107,794 km (0.094 R)
• M27: 30,873,859 km (0.07 R)
• M28: 31,619,604 km (0.113 R)
• M29: 32,159,503 km (0.09 R)
• M30: 33,480,452 km (0.055 R)
• M31: 35,995,492 km (0.03 R)
• M32: 37,299,088 km (0.053 R)
• M33: 40,504,671 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.4

Radius: 5.8

Gravity: 19.13 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.89 AU - 11.31 AU

Year: 20725 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,306,552 km

• M1: 72,106 km (0.117 R)
• M2: 356,043 km (0.119 R)
• M3: 682,017 km (0.069 R)
• M4: 975,677 km (0.117 R)
• M5: 1,336,208 km (0.104 R)
• M6: 2,387,432 km (0.069 R)
• M7: 3,570,004 km (0.041 R)
• M8: 3,840,477 km (0.059 R)
• M9: 4,806,280 km (0.095 R)
• M10: 5,211,840 km (0.108 R)
• M11: 6,789,948 km (0.069 R)
• M12: 7,112,032 km (0.114 R)
• M13: 8,037,594 km (0.097 R)
• M14: 8,398,125 km (0.12 R)
• M15: 9,151,351 km (0.114 R)
• M16: 9,658,787 km (0.109 R)
• M17: 11,680,602 km (0.104 R)
• M18: 12,686,647 km (0.059 R)
• M19: 19,225,271 km (0.111 R)
• M20: 20,150,384 km (0.104 R)
• M21: 21,299,296 km (0.096 R)
• M22: 21,989,241 km (0.064 R)
• M23: 22,693,997 km (0.063 R)
• M24: 31,594,621 km (0.054 R)
• M25: 32,233,554 km (0.076 R)
• M26: 36,668,383 km (0.119 R)
• M27: 36,949,477 km (0.087 R)
• M28: 39,397,646 km (0.103 R)
• M29: 41,951,731 km (0.107 R)
• M30: 50,099,878 km (0.045 R)
• M31: 50,619,731 km (0.099 R)
• M32: 52,914,263 km (0.1 R)
• M33: 55,093,156 km (0.038 R)
• M34: 63,593,456 km (0.056 R)
• M35: 66,889,098 km (0.108 R)
• M36: 67,730,436 km (0.054 R)
• M37: 73,594,972 km (0.091 R)
• M38: 75,850,010 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 19,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit