🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.1

Radius: 14

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.53 AU - 0.85 AU

Year: 370 Days

Day: 10.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,185,619 km

• M1: 174,431 km (0.089 R)
• M2: 735,872 km (0.114 R)
• M3: 1,471,594 km (0.065 R)
• M4: 1,961,826 km (0.079 R)
• M5: 2,933,315 km (0.094 R)
• M6: 3,914,527 km (0.113 R)
• M7: 4,697,822 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.5

Radius: 9.9

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.23 AU - 1.47 AU

Year: 1013 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,185,619 km

• M1: 123,568 km (0.115 R)
• M2: 524,490 km (0.092 R)
• M3: 994,975 km (0.079 R)
• M4: 1,405,173 km (0.098 R)
• M5: 2,052,184 km (0.091 R)
• M6: 2,899,506 km (0.095 R)
• M7: 3,361,315 km (0.092 R)
• M8: 3,826,115 km (0.118 R)
• M9: 4,416,428 km (0.041 R)
• M10: 5,521,358 km (0.103 R)
• M11: 5,859,898 km (0.088 R)
• M12: 6,254,687 km (0.108 R)
• M13: 6,801,168 km (0.093 R)
• M14: 8,580,635 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.3

Radius: 11.5

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.23 AU - 2.53 AU

Year: 2371 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 79.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,185,619 km

• M1: 143,016 km (0.059 R)
• M2: 522,246 km (0.115 R)
• M3: 975,528 km (0.093 R)
• M4: 1,481,917 km (0.087 R)
• M5: 2,451,311 km (0.094 R)
• M6: 2,870,783 km (0.045 R)
• M7: 3,454,664 km (0.098 R)
• M8: 4,388,154 km (0.07 R)
• M9: 5,209,746 km (0.099 R)
• M10: 5,812,476 km (0.039 R)
• M11: 6,332,927 km (0.106 R)
• M12: 7,157,809 km (0.116 R)
• M13: 7,727,029 km (0.09 R)
• M14: 9,651,755 km (0.119 R)
• M15: 10,780,471 km (0.069 R)
• M16: 11,644,549 km (0.073 R)
• M17: 12,153,032 km (0.068 R)
• M18: 12,717,165 km (0.09 R)
• M19: 13,897,941 km (0.107 R)
• M20: 14,470,303 km (0.089 R)
• M21: 16,042,128 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.4

Radius: 9

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.94 AU - 4.9 AU

Year: 6000 Days

Day: 10.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,185,619 km

• M1: 111,899 km (0.049 R)
• M2: 406,757 km (0.118 R)
• M3: 769,382 km (0.103 R)
• M4: 1,062,444 km (0.112 R)
• M5: 1,468,453 km (0.113 R)
• M6: 2,824,258 km (0.111 R)
• M7: 3,408,139 km (0.05 R)
• M8: 3,970,776 km (0.113 R)
• M9: 4,432,286 km (0.081 R)
• M10: 5,132,404 km (0.114 R)
• M11: 6,067,540 km (0.054 R)
• M12: 7,112,332 km (0.102 R)
• M13: 7,639,066 km (0.109 R)
• M14: 8,477,562 km (0.077 R)
• M15: 9,287,933 km (0.118 R)
• M16: 11,718,300 km (0.113 R)
• M17: 12,134,781 km (0.098 R)
• M18: 16,661,912 km (0.116 R)
• M19: 17,122,224 km (0.102 R)
• M20: 18,554,175 km (0.116 R)
• M21: 20,286,668 km (0.107 R)
• M22: 21,654,741 km (0.036 R)
• M23: 27,837,471 km (0.117 R)
• M24: 28,299,429 km (0.116 R)
• M25: 29,334,048 km (0.032 R)
• M26: 34,039,948 km (0.119 R)
• M27: 35,750,301 km (0.114 R)
• M28: 36,737,198 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 15

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.59 AU - 5.27 AU

Year: 7068 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,185,619 km

• M1: 186,549 km (0.114 R)
• M2: 1,076,057 km (0.115 R)
• M3: 1,655,749 km (0.051 R)
• M4: 3,457,805 km (0.109 R)
• M5: 5,144,970 km (0.042 R)
• M6: 6,387,530 km (0.096 R)
• M7: 7,302,770 km (0.103 R)
• M8: 10,435,050 km (0.062 R)
• M9: 11,589,347 km (0.107 R)
• M10: 12,581,031 km (0.03 R)
• M11: 15,007,210 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.8

Radius: 9.4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.75 AU - 6.53 AU

Year: 8648 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,185,619 km

• M1: 116,836 km (0.108 R)
• M2: 507,286 km (0.083 R)
• M3: 947,703 km (0.105 R)
• M4: 1,526,347 km (0.088 R)
• M5: 1,868,926 km (0.117 R)
• M6: 2,694,108 km (0.081 R)
• M7: 3,722,743 km (0.045 R)
• M8: 4,375,588 km (0.055 R)
• M9: 5,268,538 km (0.057 R)
• M10: 6,663,987 km (0.054 R)
• M11: 7,697,708 km (0.064 R)
• M12: 8,065,120 km (0.117 R)
• M13: 10,565,499 km (0.107 R)
• M14: 11,298,529 km (0.103 R)
• M15: 13,969,898 km (0.101 R)
• M16: 14,351,672 km (0.079 R)
• M17: 14,684,527 km (0.082 R)
• M18: 15,423,092 km (0.096 R)
• M19: 17,409,452 km (0.096 R)
• M20: 18,236,728 km (0.08 R)
• M21: 22,621,592 km (0.091 R)
• M22: 23,529,651 km (0.12 R)
• M23: 23,992,806 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.2

Radius: 5.1

Gravity: 17.04 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.37 AU - 9.97 AU

Year: 17930 Days

Day: 15.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,185,619 km

• M1: 63,429 km (0.051 R)
• M2: 227,538 km (0.098 R)
• M3: 797,506 km (0.119 R)
• M4: 1,113,158 km (0.115 R)
• M5: 1,320,800 km (0.083 R)
• M6: 2,085,095 km (0.069 R)
• M7: 2,402,691 km (0.089 R)
• M8: 2,891,428 km (0.072 R)
• M9: 3,497,449 km (0.061 R)
• M10: 3,717,058 km (0.064 R)
• M11: 4,923,116 km (0.109 R)
• M12: 5,164,268 km (0.089 R)
• M13: 6,169,416 km (0.099 R)
• M14: 6,655,460 km (0.114 R)
• M15: 8,029,067 km (0.102 R)
• M16: 10,122,091 km (0.095 R)
• M17: 10,456,143 km (0.083 R)
• M18: 12,237,555 km (0.114 R)
• M19: 14,073,868 km (0.096 R)
• M20: 15,057,624 km (0.095 R)
• M21: 18,038,212 km (0.088 R)
• M22: 21,389,803 km (0.105 R)
• M23: 25,337,092 km (0.101 R)
• M24: 28,185,735 km (0.079 R)
• M25: 32,908,540 km (0.12 R)
• M26: 35,904,087 km (0.109 R)
• M27: 41,574,595 km (0.081 R)
• M28: 42,718,420 km (0.099 R)
• M29: 44,030,094 km (0.106 R)
• M30: 47,194,388 km (0.098 R)
• M31: 47,658,590 km (0.101 R)
• M32: 48,911,024 km (0.113 R)
• M33: 53,803,173 km (0.084 R)
• M34: 57,767,367 km (0.096 R)
• M35: 59,910,955 km (0.118 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: 307 - 17,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit