🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 13.3

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.91 AU - 1.17 AU

Year: 685 Days

Day: 12.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,292,996 km

• M1: 165,455 km (0.119 R)
• M2: 630,405 km (0.107 R)
• M3: 1,105,827 km (0.037 R)
• M4: 1,606,681 km (0.099 R)
• M5: 2,062,805 km (0.116 R)
• M6: 2,989,265 km (0.12 R)
• M7: 3,985,736 km (0.058 R)
• M8: 4,435,876 km (0.111 R)
• M9: 5,227,548 km (0.067 R)
• M10: 5,862,591 km (0.113 R)
• M11: 6,367,334 km (0.036 R)
• M12: 7,028,258 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.4

Radius: 14.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.44 AU - 1.74 AU

Year: 1295 Days

Day: 11.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,292,996 km

• M1: 185,352 km (0.089 R)
• M2: 815,308 km (0.118 R)
• M3: 1,543,401 km (0.087 R)
• M4: 2,088,685 km (0.103 R)
• M5: 2,563,659 km (0.118 R)
• M6: 3,210,221 km (0.099 R)
• M7: 3,721,845 km (0.114 R)
• M8: 6,860,110 km (0.117 R)
• M9: 7,508,916 km (0.053 R)
• M10: 10,718,987 km (0.112 R)
• M11: 11,252,303 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.9

Radius: 14

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.85 AU - 2.65 AU

Year: 2179 Days

Day: 5.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,292,996 km

• M1: 176,825 km (0.099 R)
• M2: 617,241 km (0.07 R)
• M3: 1,194,539 km (0.101 R)
• M4: 1,882,240 km (0.117 R)
• M5: 2,545,408 km (0.083 R)
• M6: 4,555,554 km (0.029 R)
• M7: 4,996,270 km (0.088 R)
• M8: 5,514,178 km (0.112 R)
• M9: 6,826,450 km (0.104 R)
• M10: 9,915,945 km (0.045 R)
• M11: 12,602,723 km (0.093 R)
• M12: 13,612,359 km (0.102 R)
• M13: 14,913,412 km (0.056 R)
• M14: 17,123,421 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 12.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.97 AU - 5.61 AU

Year: 6769 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,292,996 km

• M1: 157,975 km (0.072 R)
• M2: 727,943 km (0.064 R)
• M3: 1,581,100 km (0.083 R)
• M4: 2,157,351 km (0.104 R)
• M5: 2,815,432 km (0.094 R)
• M6: 4,691,838 km (0.104 R)
• M7: 5,501,761 km (0.03 R)
• M8: 6,534,285 km (0.104 R)
• M9: 7,692,173 km (0.116 R)
• M10: 8,537,102 km (0.103 R)
• M11: 9,400,431 km (0.088 R)
• M12: 10,641,046 km (0.104 R)
• M13: 13,017,708 km (0.057 R)
• M14: 15,668,731 km (0.118 R)
• M15: 19,551,993 km (0.06 R)
• M16: 21,940,473 km (0.108 R)
• M17: 24,598,527 km (0.074 R)
• M18: 25,920,973 km (0.078 R)
• M19: 29,525,234 km (0.079 R)
• M20: 30,923,376 km (0.064 R)
• M21: 32,659,010 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.5

Radius: 9.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.05 AU - 6.19 AU

Year: 8602 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,292,996 km

• M1: 137,480 km (0.066 R)
• M2: 2,148,973 km (0.108 R)
• M3: 3,032,798 km (0.103 R)
• M4: 3,598,876 km (0.094 R)
• M5: 4,051,709 km (0.116 R)
• M6: 4,566,625 km (0.106 R)
• M7: 5,958,034 km (0.103 R)
• M8: 8,215,765 km (0.074 R)
• M9: 9,197,875 km (0.063 R)
• M10: 10,598,112 km (0.117 R)
• M11: 12,858,835 km (0.082 R)
• M12: 13,610,713 km (0.118 R)
• M13: 14,820,212 km (0.108 R)
• M14: 15,646,740 km (0.099 R)
• M15: 16,620,323 km (0.107 R)
• M16: 19,849,094 km (0.106 R)
• M17: 20,380,466 km (0.032 R)
• M18: 21,471,483 km (0.102 R)
• M19: 24,901,613 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 11.6

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.72 AU - 5.88 AU

Year: 9019 Days

Day: 12.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,292,996 km

• M1: 144,960 km (0.073 R)
• M2: 575,503 km (0.03 R)
• M3: 1,243,607 km (0.089 R)
• M4: 1,681,181 km (0.117 R)
• M5: 2,574,131 km (0.047 R)
• M6: 3,054,190 km (0.074 R)
• M7: 3,532,903 km (0.067 R)
• M8: 4,196,071 km (0.09 R)
• M9: 4,915,188 km (0.117 R)
• M10: 6,058,115 km (0.056 R)
• M11: 6,537,277 km (0.094 R)
• M12: 7,952,174 km (0.061 R)
• M13: 10,006,153 km (0.119 R)
• M14: 10,464,521 km (0.089 R)
• M15: 19,841,764 km (0.12 R)
• M16: 21,036,602 km (0.116 R)
• M17: 22,846,288 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.1

Radius: 7.3

Gravity: 17.58 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.33 AU - 8.05 AU

Year: 11173 Days

Day: 17.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,292,996 km

• M1: 91,703 km (0.065 R)
• M2: 576,401 km (0.074 R)
• M3: 1,179,579 km (0.078 R)
• M4: 1,762,113 km (0.112 R)
• M5: 2,202,978 km (0.063 R)
• M6: 2,826,951 km (0.111 R)
• M7: 3,724,389 km (0.097 R)
• M8: 5,165,614 km (0.118 R)
• M9: 7,414,070 km (0.114 R)
• M10: 8,606,814 km (0.111 R)
• M11: 9,659,834 km (0.057 R)
• M12: 17,372,202 km (0.053 R)
• M13: 17,761,456 km (0.062 R)
• M14: 19,376,664 km (0.114 R)
• M15: 21,799,252 km (0.059 R)
• M16: 26,614,508 km (0.05 R)
• M17: 27,131,967 km (0.045 R)
• M18: 27,445,525 km (0.043 R)
• M19: 33,632,743 km (0.067 R)
• M20: 33,994,770 km (0.118 R)
• M21: 35,344,292 km (0.079 R)
• M22: 37,112,838 km (0.065 R)
• M23: 37,370,296 km (0.065 R)
• M24: 37,758,652 km (0.085 R)
• M25: 45,510,664 km (0.11 R)
• M26: 47,148,611 km (0.055 R)
• M27: 51,175,636 km (0.088 R)
• M28: 53,764,428 km (0.06 R)
• M29: 55,426,011 km (0.053 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 14,276 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit