🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.1

Radius: 11.5

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.91 AU - 0.93 AU

Year: 588 Days

Day: 5 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,780,794 km

• M1: 143,016 km (0.105 R)
• M2: 525,986 km (0.117 R)
• M3: 973,134 km (0.082 R)
• M4: 1,367,773 km (0.074 R)
• M5: 1,956,291 km (0.119 R)
• M6: 2,465,523 km (0.077 R)
• M7: 2,841,761 km (0.051 R)
• M8: 3,577,483 km (0.111 R)
• M9: 4,019,545 km (0.12 R)
• M10: 4,544,783 km (0.118 R)
• M11: 5,047,881 km (0.086 R)
• M12: 5,498,171 km (0.112 R)
• M13: 5,900,140 km (0.107 R)
• M14: 6,479,981 km (0.053 R)
• M15: 7,247,119 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 9

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.72 AU - 2.86 AU

Year: 2311 Days

Day: 13.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,780,794 km

• M1: 111,899 km (0.075 R)
• M2: 435,180 km (0.075 R)
• M3: 747,391 km (0.1 R)
• M4: 1,102,985 km (0.107 R)
• M5: 1,454,540 km (0.105 R)
• M6: 1,869,375 km (0.045 R)
• M7: 2,269,699 km (0.115 R)
• M8: 2,582,059 km (0.117 R)
• M9: 2,923,142 km (0.053 R)
• M10: 3,624,457 km (0.076 R)
• M11: 4,311,111 km (0.103 R)
• M12: 5,219,021 km (0.118 R)
• M13: 5,500,564 km (0.079 R)
• M14: 5,916,745 km (0.034 R)
• M15: 6,513,192 km (0.051 R)
• M16: 7,092,285 km (0.116 R)
• M17: 7,379,962 km (0.12 R)
• M18: 7,947,985 km (0.097 R)
• M19: 9,239,015 km (0.117 R)
• M20: 10,258,674 km (0.106 R)
• M21: 11,157,907 km (0.036 R)
• M22: 12,149,441 km (0.116 R)
• M23: 13,241,955 km (0.041 R)
• M24: 14,261,763 km (0.04 R)
• M25: 16,860,578 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.9

Radius: 10.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.85 AU - 2.75 AU

Year: 2326 Days

Day: 10.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,780,794 km

• M1: 130,599 km (0.034 R)
• M2: 757,713 km (0.062 R)
• M3: 1,858,454 km (0.094 R)
• M4: 2,339,561 km (0.12 R)
• M5: 3,717,806 km (0.032 R)
• M6: 4,199,362 km (0.05 R)
• M7: 7,289,455 km (0.077 R)
• M8: 8,954,779 km (0.049 R)
• M9: 10,258,824 km (0.027 R)
• M10: 11,208,920 km (0.065 R)
• M11: 11,564,963 km (0.106 R)
• M12: 12,216,761 km (0.111 R)
• M13: 12,892,644 km (0.116 R)
• M14: 13,460,218 km (0.074 R)
• M15: 14,738,981 km (0.107 R)
• M16: 16,652,786 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 10.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.56 AU - 4.02 AU

Year: 3979 Days

Day: 11.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,780,794 km

• M1: 130,749 km (0.063 R)
• M2: 621,878 km (0.106 R)
• M3: 948,899 km (0.12 R)
• M4: 1,520,962 km (0.096 R)
• M5: 1,969,606 km (0.065 R)
• M6: 2,326,396 km (0.036 R)
• M7: 2,678,101 km (0.071 R)
• M8: 3,190,773 km (0.074 R)
• M9: 3,587,806 km (0.03 R)
• M10: 4,147,003 km (0.1 R)
• M11: 4,644,715 km (0.093 R)
• M12: 5,492,187 km (0.042 R)
• M13: 7,395,221 km (0.107 R)
• M14: 8,128,999 km (0.088 R)
• M15: 9,206,851 km (0.086 R)
• M16: 9,897,844 km (0.089 R)
• M17: 11,083,407 km (0.115 R)
• M18: 13,833,166 km (0.094 R)
• M19: 15,685,187 km (0.096 R)
• M20: 17,581,041 km (0.032 R)
• M21: 20,128,094 km (0.106 R)
• M22: 20,639,719 km (0.084 R)
• M23: 21,822,739 km (0.102 R)
• M24: 23,119,753 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.3

Radius: 7.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.96 AU - 7 AU

Year: 9752 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,780,794 km

• M1: 100,679 km (0.108 R)
• M2: 416,630 km (0.055 R)
• M3: 729,888 km (0.085 R)
• M4: 1,097,300 km (0.089 R)
• M5: 1,383,631 km (0.099 R)
• M6: 2,001,769 km (0.09 R)
• M7: 2,421,092 km (0.074 R)
• M8: 2,959,644 km (0.103 R)
• M9: 3,540,234 km (0.064 R)
• M10: 4,709,491 km (0.072 R)
• M11: 4,971,287 km (0.087 R)
• M12: 5,405,719 km (0.032 R)
• M13: 8,757,759 km (0.099 R)
• M14: 9,121,281 km (0.054 R)
• M15: 11,015,789 km (0.106 R)
• M16: 13,330,816 km (0.091 R)
• M17: 13,990,243 km (0.039 R)
• M18: 14,856,265 km (0.098 R)
• M19: 15,806,062 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.6

Radius: 4.4

Gravity: 16.46 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.35 AU - 8.41 AU

Year: 13369 Days

Day: 23.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,780,794 km

• M1: 55,351 km (0.099 R)
• M2: 304,282 km (0.107 R)
• M3: 716,723 km (0.085 R)
• M4: 940,821 km (0.097 R)
• M5: 1,222,215 km (0.056 R)
• M6: 1,475,185 km (0.071 R)
• M7: 1,855,462 km (0.069 R)
• M8: 2,018,075 km (0.079 R)
• M9: 3,318,978 km (0.109 R)
• M10: 3,461,844 km (0.073 R)
• M11: 3,683,997 km (0.116 R)
• M12: 3,915,575 km (0.067 R)
• M13: 4,129,500 km (0.107 R)
• M14: 5,481,565 km (0.063 R)
• M15: 5,886,676 km (0.034 R)
• M16: 6,096,712 km (0.114 R)
• M17: 8,792,465 km (0.079 R)
• M18: 10,939,793 km (0.068 R)
• M19: 12,303,527 km (0.112 R)
• M20: 14,209,255 km (0.098 R)
• M21: 18,894,361 km (0.079 R)
• M22: 19,121,899 km (0.038 R)
• M23: 22,844,642 km (0.118 R)
• M24: 23,102,848 km (0.06 R)
• M25: 27,797,828 km (0.117 R)
• M26: 28,092,236 km (0.087 R)
• M27: 28,988,178 km (0.117 R)
• M28: 30,941,477 km (0.103 R)
• M29: 34,089,465 km (0.109 R)
• M30: 34,426,808 km (0.099 R)
• M31: 36,030,498 km (0.083 R)
• M32: 43,866,135 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.3

Radius: 6.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.86 AU - 12.02 AU

Year: 22495 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,780,794 km

• M1: 89,460 km (0.083 R)
• M2: 424,559 km (0.062 R)
• M3: 942,317 km (0.077 R)
• M4: 1,208,152 km (0.11 R)
• M5: 1,823,748 km (0.08 R)
• M6: 3,125,100 km (0.078 R)
• M7: 3,351,890 km (0.117 R)
• M8: 3,792,755 km (0.063 R)
• M9: 4,871,206 km (0.113 R)
• M10: 7,690,976 km (0.059 R)
• M11: 8,144,856 km (0.082 R)
• M12: 9,528,337 km (0.079 R)
• M13: 12,596,739 km (0.113 R)
• M14: 15,780,930 km (0.106 R)
• M15: 16,205,638 km (0.084 R)
• M16: 18,112,712 km (0.087 R)
• M17: 19,672,569 km (0.115 R)
• M18: 19,952,766 km (0.083 R)
• M19: 20,449,431 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 16,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit