🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.8

Radius: 8.9

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.92 AU - 1.4 AU

Year: 807 Days

Day: 8.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,100,865 km

• M1: 118,182 km (0.112 R)
• M2: 403,465 km (0.111 R)
• M3: 736,919 km (0.11 R)
• M4: 1,053,169 km (0.077 R)
• M5: 1,843,644 km (0.071 R)
• M6: 2,291,989 km (0.108 R)
• M7: 3,548,312 km (0.065 R)
• M8: 4,524,588 km (0.084 R)
• M9: 4,869,261 km (0.101 R)
• M10: 5,748,897 km (0.074 R)
• M11: 6,470,108 km (0.082 R)
• M12: 6,752,848 km (0.07 R)
• M13: 7,366,648 km (0.096 R)
• M14: 8,292,958 km (0.114 R)
• M15: 8,653,040 km (0.087 R)
• M16: 9,050,522 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.7

Radius: 12.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.63 AU - 2.31 AU

Year: 1785 Days

Day: 9.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,100,865 km

• M1: 154,834 km (0.072 R)
• M2: 618,288 km (0.081 R)
• M3: 1,132,007 km (0.101 R)
• M4: 1,586,037 km (0.109 R)
• M5: 2,138,352 km (0.06 R)
• M6: 2,730,161 km (0.073 R)
• M7: 3,183,742 km (0.104 R)
• M8: 3,705,390 km (0.075 R)
• M9: 4,264,138 km (0.064 R)
• M10: 5,275,270 km (0.063 R)
• M11: 7,110,985 km (0.105 R)
• M12: 8,281,140 km (0.089 R)
• M13: 8,815,803 km (0.115 R)
• M14: 9,440,523 km (0.113 R)
• M15: 10,523,013 km (0.072 R)
• M16: 11,038,378 km (0.073 R)
• M17: 11,609,094 km (0.066 R)
• M18: 12,892,644 km (0.073 R)
• M19: 14,135,652 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.8

Radius: 13.5

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.81 AU - 2.53 AU

Year: 2064 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,100,865 km

• M1: 167,849 km (0.06 R)
• M2: 597,643 km (0.086 R)
• M3: 1,162,675 km (0.105 R)
• M4: 1,664,576 km (0.063 R)
• M5: 2,107,684 km (0.073 R)
• M6: 2,530,448 km (0.112 R)
• M7: 4,157,923 km (0.083 R)
• M8: 4,921,321 km (0.095 R)
• M9: 5,877,401 km (0.104 R)
• M10: 6,953,758 km (0.089 R)
• M11: 7,419,606 km (0.1 R)
• M12: 10,033,978 km (0.093 R)
• M13: 12,949,042 km (0.073 R)
• M14: 13,656,490 km (0.119 R)
• M15: 14,718,486 km (0.096 R)
• M16: 15,148,879 km (0.091 R)
• M17: 15,785,268 km (0.056 R)
• M18: 16,388,447 km (0.119 R)
• M19: 17,534,217 km (0.055 R)
• M20: 18,290,733 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.7

Radius: 7

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.81 AU - 8.75 AU

Year: 12683 Days

Day: 24.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,100,865 km

• M1: 87,216 km (0.105 R)
• M2: 331,958 km (0.045 R)
• M3: 644,168 km (0.089 R)
• M4: 928,704 km (0.12 R)
• M5: 1,208,601 km (0.118 R)
• M6: 1,458,430 km (0.037 R)
• M7: 2,118,455 km (0.118 R)
• M8: 2,546,904 km (0.093 R)
• M9: 2,962,187 km (0.089 R)
• M10: 4,482,551 km (0.097 R)
• M11: 4,891,551 km (0.045 R)
• M12: 8,158,170 km (0.054 R)
• M13: 9,059,348 km (0.101 R)
• M14: 9,559,603 km (0.088 R)
• M15: 10,183,875 km (0.112 R)
• M16: 16,706,193 km (0.055 R)
• M17: 17,997,671 km (0.077 R)
• M18: 18,310,929 km (0.094 R)
• M19: 21,912,647 km (0.082 R)
• M20: 27,585,099 km (0.106 R)
• M21: 29,061,630 km (0.097 R)
• M22: 37,495,510 km (0.093 R)
• M23: 38,782,350 km (0.085 R)
• M24: 44,509,705 km (0.066 R)
• M25: 45,660,860 km (0.112 R)
• M26: 52,349,980 km (0.058 R)
• M27: 54,444,499 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.2

Radius: 4.5

Gravity: 34.38 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.11 AU - 9.45 AU

Year: 16798 Days

Day: 17 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,100,865 km

• M1: 56,548 km (0.071 R)
• M2: 227,090 km (0.109 R)
• M3: 608,564 km (0.074 R)
• M4: 894,745 km (0.066 R)
• M5: 1,144,873 km (0.111 R)
• M6: 1,598,154 km (0.059 R)
• M7: 1,986,510 km (0.094 R)
• M8: 2,306,650 km (0.117 R)
• M9: 2,754,097 km (0.09 R)
• M10: 2,973,407 km (0.084 R)
• M11: 4,954,532 km (0.105 R)
• M12: 5,279,458 km (0.026 R)
• M13: 6,381,396 km (0.079 R)
• M14: 12,394,034 km (0.077 R)
• M15: 12,924,508 km (0.078 R)
• M16: 13,539,355 km (0.108 R)
• M17: 13,818,804 km (0.069 R)
• M18: 16,509,471 km (0.077 R)
• M19: 16,828,414 km (0.081 R)
• M20: 17,232,927 km (0.108 R)
• M21: 18,485,210 km (0.1 R)
• M22: 19,441,290 km (0.109 R)
• M23: 25,453,629 km (0.088 R)
• M24: 26,093,758 km (0.11 R)
• M25: 29,224,094 km (0.078 R)
• M26: 29,456,868 km (0.116 R)
• M27: 33,477,460 km (0.107 R)
• M28: 34,764,451 km (0.12 R)
• M29: 41,403,155 km (0.032 R)
• M30: 51,841,497 km (0.06 R)
• M31: 52,353,570 km (0.106 R)
• M32: 54,260,344 km (0.111 R)
• M33: 55,497,668 km (0.096 R)
• M34: 55,675,840 km (0.075 R)
• M35: 55,854,609 km (0.115 R)
• M36: 60,069,828 km (0.048 R)
• M37: 67,490,331 km (0.086 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: 536 - 19,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit