🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.4

Radius: 13.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.94 AU - 1.22 AU

Year: 736 Days

Day: 9.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,290,041 km

• M1: 169,195 km (0.094 R)
• M2: 617,989 km (0.076 R)
• M3: 1,270,535 km (0.078 R)
• M4: 1,946,717 km (0.083 R)
• M5: 2,394,763 km (0.112 R)
• M6: 3,336,332 km (0.098 R)
• M7: 3,816,092 km (0.103 R)
• M8: 4,783,990 km (0.089 R)
• M9: 5,432,647 km (0.052 R)
• M10: 6,043,006 km (0.078 R)
• M11: 6,515,286 km (0.097 R)
• M12: 7,691,724 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.3

Radius: 12.6

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.02 AU - 1.18 AU

Year: 757 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,290,041 km

• M1: 156,779 km (0.078 R)
• M2: 718,519 km (0.11 R)
• M3: 1,160,281 km (0.069 R)
• M4: 1,585,588 km (0.113 R)
• M5: 2,106,936 km (0.081 R)
• M6: 2,705,777 km (0.076 R)
• M7: 4,008,475 km (0.1 R)
• M8: 4,513,817 km (0.084 R)
• M9: 5,574,465 km (0.117 R)
• M10: 7,661,505 km (0.119 R)
• M11: 9,277,611 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 10

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.67 AU - 1.69 AU

Year: 1428 Days

Day: 12 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,290,041 km

• M1: 124,316 km (0.099 R)
• M2: 464,352 km (0.087 R)
• M3: 837,299 km (0.1 R)
• M4: 1,206,656 km (0.12 R)
• M5: 2,241,275 km (0.073 R)
• M6: 2,900,852 km (0.105 R)
• M7: 3,299,680 km (0.068 R)
• M8: 3,993,366 km (0.081 R)
• M9: 4,469,536 km (0.06 R)
• M10: 5,669,460 km (0.083 R)
• M11: 6,441,535 km (0.114 R)
• M12: 7,469,721 km (0.072 R)
• M13: 8,310,012 km (0.12 R)
• M14: 9,751,388 km (0.105 R)
• M15: 10,379,100 km (0.091 R)
• M16: 11,678,507 km (0.118 R)
• M17: 13,122,875 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.3

Radius: 10.2

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.56 AU - 1.9 AU

Year: 1493 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,290,041 km

• M1: 126,859 km (0.086 R)
• M2: 517,010 km (0.055 R)
• M3: 1,065,586 km (0.099 R)
• M4: 1,742,815 km (0.051 R)
• M5: 2,269,250 km (0.051 R)
• M6: 3,123,155 km (0.057 R)
• M7: 3,675,620 km (0.036 R)
• M8: 4,891,850 km (0.081 R)
• M9: 5,388,814 km (0.082 R)
• M10: 6,793,090 km (0.046 R)
• M11: 7,496,050 km (0.098 R)
• M12: 9,271,178 km (0.106 R)
• M13: 9,898,143 km (0.079 R)
• M14: 10,343,346 km (0.118 R)
• M15: 11,090,588 km (0.11 R)
• M16: 11,911,581 km (0.103 R)
• M17: 12,732,574 km (0.091 R)
• M18: 14,098,403 km (0.073 R)
• M19: 14,838,912 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.6

Radius: 14.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.25 AU - 4.21 AU

Year: 4726 Days

Day: 13.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,290,041 km

• M1: 175,628 km (0.072 R)
• M2: 901,178 km (0.098 R)
• M3: 1,635,554 km (0.119 R)
• M4: 2,154,808 km (0.092 R)
• M5: 4,752,425 km (0.047 R)
• M6: 5,678,286 km (0.073 R)
• M7: 6,522,766 km (0.095 R)
• M8: 10,173,254 km (0.106 R)
• M9: 11,758,991 km (0.079 R)
• M10: 16,071,748 km (0.118 R)
• M11: 23,377,958 km (0.102 R)
• M12: 24,968,483 km (0.091 R)
• M13: 26,291,975 km (0.065 R)
• M14: 26,885,580 km (0.104 R)
• M15: 28,452,917 km (0.062 R)
• M16: 30,636,597 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667

Radius: 6.7

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.57 AU - 9.81 AU

Year: 15376 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,290,041 km

• M1: 83,476 km (0.099 R)
• M2: 393,891 km (0.082 R)
• M3: 822,639 km (0.101 R)
• M4: 1,143,825 km (0.088 R)
• M5: 1,706,014 km (0.103 R)
• M6: 2,040,216 km (0.038 R)
• M7: 2,656,260 km (0.075 R)
• M8: 2,887,239 km (0.081 R)
• M9: 3,310,900 km (0.053 R)
• M10: 4,935,383 km (0.078 R)
• M11: 5,143,773 km (0.075 R)
• M12: 6,397,553 km (0.116 R)
• M13: 7,428,881 km (0.11 R)
• M14: 7,703,094 km (0.07 R)
• M15: 8,175,374 km (0.088 R)
• M16: 9,281,949 km (0.089 R)
• M17: 11,183,488 km (0.091 R)
• M18: 11,422,994 km (0.118 R)
• M19: 13,735,927 km (0.073 R)
• M20: 18,755,085 km (0.071 R)
• M21: 20,847,361 km (0.029 R)
• M22: 23,187,072 km (0.113 R)
• M23: 27,177,595 km (0.107 R)
• M24: 30,775,723 km (0.108 R)
• M25: 34,679,030 km (0.114 R)
• M26: 35,833,627 km (0.115 R)
• M27: 38,626,769 km (0.11 R)
• M28: 48,662,392 km (0.052 R)
• M29: 49,462,292 km (0.083 R)
• M30: 53,593,587 km (0.029 R)
• M31: 55,308,427 km (0.073 R)
• M32: 63,100,681 km (0.065 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 16,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit