🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.4

Radius: 12.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.05 AU - 1.51 AU

Year: 1000 Days

Day: 11.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,156,245 km

• M1: 155,432 km (0.038 R)
• M2: 632,949 km (0.1 R)
• M3: 1,100,143 km (0.082 R)
• M4: 1,929,663 km (0.116 R)
• M5: 2,362,150 km (0.099 R)
• M6: 2,897,112 km (0.095 R)
• M7: 3,584,215 km (0.054 R)
• M8: 4,069,062 km (0.08 R)
• M9: 4,597,591 km (0.06 R)
• M10: 5,097,398 km (0.108 R)
• M11: 6,143,237 km (0.037 R)
• M12: 6,551,340 km (0.044 R)
• M13: 7,256,394 km (0.082 R)
• M14: 7,961,150 km (0.093 R)
• M15: 9,620,938 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.4

Radius: 11.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.14 AU - 1.54 AU

Year: 1071 Days

Day: 12.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,156,245 km

• M1: 148,401 km (0.074 R)
• M2: 564,882 km (0.117 R)
• M3: 965,056 km (0.097 R)
• M4: 1,339,499 km (0.047 R)
• M5: 1,929,364 km (0.075 R)
• M6: 2,308,445 km (0.103 R)
• M7: 3,178,207 km (0.073 R)
• M8: 3,650,338 km (0.105 R)
• M9: 4,152,388 km (0.118 R)
• M10: 6,294,181 km (0.104 R)
• M11: 7,414,220 km (0.093 R)
• M12: 8,746,838 km (0.075 R)
• M13: 10,549,791 km (0.1 R)
• M14: 11,036,733 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 9.1

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.92 AU - 2.16 AU

Year: 2011 Days

Day: 6.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,156,245 km

• M1: 113,395 km (0.116 R)
• M2: 420,220 km (0.119 R)
• M3: 719,865 km (0.113 R)
• M4: 1,177,485 km (0.085 R)
• M5: 1,522,009 km (0.115 R)
• M6: 1,865,785 km (0.075 R)
• M7: 2,669,275 km (0.081 R)
• M8: 3,562,524 km (0.097 R)
• M9: 4,727,742 km (0.1 R)
• M10: 6,707,221 km (0.088 R)
• M11: 7,121,457 km (0.066 R)
• M12: 10,407,225 km (0.11 R)
• M13: 13,344,130 km (0.08 R)
• M14: 14,134,156 km (0.101 R)
• M15: 15,141,848 km (0.103 R)
• M16: 16,294,948 km (0.102 R)
• M17: 16,742,246 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 8.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.93 AU - 2.57 AU

Year: 2330 Days

Day: 11.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,156,245 km

• M1: 111,002 km (0.1 R)
• M2: 409,749 km (0.102 R)
• M3: 1,103,284 km (0.109 R)
• M4: 1,465,461 km (0.078 R)
• M5: 3,281,130 km (0.064 R)
• M6: 5,106,823 km (0.089 R)
• M7: 5,759,069 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.8

Radius: 12.4

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.37 AU - 2.59 AU

Year: 2696 Days

Day: 12.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,156,245 km

• M1: 172,636 km (0.038 R)
• M2: 561,740 km (0.1 R)
• M3: 1,286,093 km (0.072 R)
• M4: 1,679,236 km (0.075 R)
• M5: 2,081,056 km (0.084 R)
• M6: 2,675,408 km (0.069 R)
• M7: 3,100,715 km (0.035 R)
• M8: 3,536,045 km (0.096 R)
• M9: 4,147,900 km (0.11 R)
• M10: 4,786,085 km (0.106 R)
• M11: 5,803,500 km (0.057 R)
• M12: 7,157,361 km (0.072 R)
• M13: 7,985,086 km (0.063 R)
• M14: 9,243,054 km (0.08 R)
• M15: 11,005,915 km (0.119 R)
• M16: 12,313,102 km (0.078 R)
• M17: 13,677,135 km (0.075 R)
• M18: 14,671,811 km (0.055 R)
• M19: 15,377,165 km (0.082 R)
• M20: 16,352,693 km (0.095 R)
• M21: 16,855,641 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 9.9

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.78 AU - 4.42 AU

Year: 4715 Days

Day: 7.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,156,245 km

• M1: 124,765 km (0.072 R)
• M2: 470,336 km (0.112 R)
• M3: 1,154,596 km (0.034 R)
• M4: 1,588,729 km (0.058 R)
• M5: 2,041,712 km (0.118 R)
• M6: 3,014,247 km (0.08 R)
• M7: 3,539,934 km (0.115 R)
• M8: 4,031,663 km (0.099 R)
• M9: 5,319,700 km (0.096 R)
• M10: 5,636,549 km (0.027 R)
• M11: 6,964,828 km (0.117 R)
• M12: 7,629,940 km (0.049 R)
• M13: 8,336,641 km (0.118 R)
• M14: 8,765,538 km (0.106 R)
• M15: 10,584,648 km (0.117 R)
• M16: 11,606,850 km (0.119 R)
• M17: 12,043,526 km (0.101 R)
• M18: 16,971,729 km (0.069 R)
• M19: 17,981,215 km (0.098 R)
• M20: 19,843,110 km (0.108 R)
• M21: 20,608,752 km (0.06 R)
• M22: 22,272,879 km (0.064 R)
• M23: 25,296,402 km (0.119 R)
• M24: 29,024,231 km (0.118 R)
• M25: 30,283,247 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.7

Radius: 9.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.07 AU - 4.53 AU

Year: 5113 Days

Day: 5.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,156,245 km

• M1: 114,442 km (0.104 R)
• M2: 518,955 km (0.097 R)
• M3: 1,520,513 km (0.058 R)
• M4: 1,827,188 km (0.113 R)
• M5: 2,201,931 km (0.051 R)
• M6: 2,781,473 km (0.026 R)
• M7: 3,176,112 km (0.085 R)
• M8: 4,078,038 km (0.027 R)
• M9: 4,566,774 km (0.101 R)
• M10: 5,165,914 km (0.077 R)
• M11: 6,298,070 km (0.072 R)
• M12: 6,633,768 km (0.112 R)
• M13: 6,922,641 km (0.081 R)
• M14: 7,587,754 km (0.118 R)
• M15: 8,065,420 km (0.073 R)
• M16: 9,729,397 km (0.083 R)
• M17: 10,681,438 km (0.033 R)
• M18: 11,946,587 km (0.089 R)
• M19: 13,909,909 km (0.028 R)
• M20: 15,017,532 km (0.07 R)
• M21: 16,549,264 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.8

Radius: 3.3

Gravity: 79.87 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.33 AU - 8.59 AU

Year: 14064 Days

Day: 23.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,156,245 km

• M1: 41,588 km (0.111 R)
• M2: 177,573 km (0.119 R)
• M3: 283,488 km (0.096 R)
• M4: 420,819 km (0.045 R)
• M5: 546,481 km (0.117 R)
• M6: 2,194,750 km (0.087 R)
• M7: 5,400,932 km (0.097 R)
• M8: 5,895,951 km (0.09 R)
• M9: 6,296,724 km (0.109 R)
• M10: 6,715,598 km (0.111 R)
• M11: 8,527,079 km (0.093 R)
• M12: 12,943,956 km (0.086 R)
• M13: 15,862,161 km (0.037 R)
• M14: 16,014,751 km (0.12 R)
• M15: 25,476,218 km (0.103 R)
• M16: 30,234,029 km (0.114 R)
• M17: 32,635,523 km (0.099 R)
• M18: 33,255,158 km (0.118 R)
• M19: 36,737,347 km (0.026 R)
• M20: 38,360,036 km (0.07 R)
• M21: 42,919,629 km (0.115 R)
• M22: 46,255,362 km (0.099 R)
• M23: 54,124,659 km (0.057 R)
• M24: 56,399,744 km (0.111 R)
• M25: 60,208,206 km (0.105 R)
• M26: 63,413,939 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 12,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit