🌌 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: 983.7

Radius: 11.1

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.14 AU - 1.42 AU

Year: 935 Days

Day: 9.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,112,351 km

• M1: 139,724 km (0.098 R)
• M2: 498,610 km (0.029 R)
• M3: 863,479 km (0.114 R)
• M4: 1,424,621 km (0.066 R)
• M5: 1,968,558 km (0.088 R)
• M6: 2,318,318 km (0.086 R)
• M7: 3,799,786 km (0.096 R)
• M8: 4,193,677 km (0.076 R)
• M9: 4,835,751 km (0.119 R)
• M10: 5,460,472 km (0.032 R)
• M11: 5,942,027 km (0.107 R)
• M12: 6,566,599 km (0.097 R)
• M13: 8,158,918 km (0.048 R)
• M14: 9,423,319 km (0.078 R)
• M15: 9,902,930 km (0.118 R)
• M16: 10,367,282 km (0.059 R)
• M17: 10,781,519 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.1

Radius: 9.4

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.94 AU - 2.92 AU

Year: 2446 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,112,351 km

• M1: 116,836 km (0.116 R)
• M2: 439,219 km (0.116 R)
• M3: 1,109,717 km (0.064 R)
• M4: 2,097,063 km (0.086 R)
• M5: 2,726,421 km (0.113 R)
• M6: 3,316,585 km (0.083 R)
• M7: 3,623,709 km (0.052 R)
• M8: 4,295,553 km (0.095 R)
• M9: 4,773,219 km (0.056 R)
• M10: 5,118,790 km (0.092 R)
• M11: 5,481,116 km (0.111 R)
• M12: 10,564,901 km (0.118 R)
• M13: 11,517,839 km (0.073 R)
• M14: 12,397,624 km (0.079 R)
• M15: 12,744,392 km (0.097 R)
• M16: 13,777,365 km (0.026 R)
• M17: 14,433,053 km (0.092 R)
• M18: 14,768,451 km (0.104 R)
• M19: 15,207,521 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.7

Radius: 13.2

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.38 AU - 4.7 AU

Year: 5243 Days

Day: 10.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,112,351 km

• M1: 164,109 km (0.108 R)
• M2: 601,982 km (0.087 R)
• M3: 2,249,503 km (0.074 R)
• M4: 4,122,917 km (0.045 R)
• M5: 8,318,988 km (0.055 R)
• M6: 9,190,695 km (0.097 R)
• M7: 10,460,781 km (0.101 R)
• M8: 11,160,600 km (0.093 R)
• M9: 16,612,096 km (0.107 R)
• M10: 17,143,916 km (0.03 R)
• M11: 21,190,838 km (0.048 R)
• M12: 21,606,720 km (0.1 R)
• M13: 24,902,211 km (0.025 R)
• M14: 26,389,214 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.1

Radius: 3.3

Gravity: 34.9 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.56 AU - 7.96 AU

Year: 11348 Days

Day: 19.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,112,351 km

• M1: 40,990 km (0.089 R)
• M2: 161,117 km (0.076 R)
• M3: 490,681 km (0.114 R)
• M4: 718,070 km (0.048 R)
• M5: 1,151,305 km (0.064 R)
• M6: 1,497,175 km (0.074 R)
• M7: 2,227,213 km (0.074 R)
• M8: 3,035,191 km (0.051 R)
• M9: 3,374,180 km (0.107 R)
• M10: 3,788,416 km (0.095 R)
• M11: 4,262,941 km (0.051 R)
• M12: 4,775,762 km (0.109 R)
• M13: 7,928,089 km (0.117 R)
• M14: 8,095,638 km (0.111 R)
• M15: 10,393,462 km (0.117 R)
• M16: 11,055,133 km (0.086 R)
• M17: 12,461,802 km (0.116 R)
• M18: 14,788,946 km (0.097 R)
• M19: 14,979,085 km (0.119 R)
• M20: 15,364,300 km (0.112 R)
• M21: 15,624,750 km (0.119 R)
• M22: 16,491,520 km (0.096 R)
• M23: 19,058,470 km (0.095 R)
• M24: 20,593,344 km (0.12 R)
• M25: 21,471,782 km (0.115 R)
• M26: 24,081,218 km (0.1 R)
• M27: 27,177,744 km (0.089 R)
• M28: 28,624,206 km (0.112 R)
• M29: 29,918,826 km (0.075 R)
• M30: 33,379,025 km (0.095 R)
• M31: 38,633,949 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.5

Radius: 6.6

Gravity: 18.51 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.84 AU - 9.9 AU

Year: 18519 Days

Day: 15.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,112,351 km

• M1: 82,578 km (0.1 R)
• M2: 355,145 km (0.075 R)
• M3: 861,235 km (0.112 R)
• M4: 1,287,738 km (0.088 R)
• M5: 1,566,290 km (0.056 R)
• M6: 1,941,631 km (0.085 R)
• M7: 2,288,249 km (0.08 R)
• M8: 3,407,540 km (0.098 R)
• M9: 4,399,374 km (0.098 R)
• M10: 4,674,933 km (0.098 R)
• M11: 4,961,862 km (0.091 R)
• M12: 13,046,430 km (0.11 R)
• M13: 16,143,106 km (0.084 R)
• M14: 16,799,691 km (0.03 R)
• M15: 17,473,929 km (0.119 R)
• M16: 18,253,783 km (0.112 R)
• M17: 19,147,331 km (0.037 R)
• M18: 21,508,284 km (0.062 R)
• M19: 22,002,705 km (0.083 R)
• M20: 26,122,780 km (0.093 R)
• M21: 26,346,878 km (0.081 R)
• M22: 27,141,542 km (0.092 R)
• M23: 32,896,273 km (0.089 R)
• M24: 48,073,425 km (0.109 R)
• M25: 51,865,133 km (0.054 R)
• M26: 59,260,953 km (0.117 R)
• M27: 72,064,735 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347

Radius: 7.6

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.33 AU - 10.87 AU

Year: 20725 Days

Day: 18.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,112,351 km

• M1: 96,790 km (0.115 R)
• M2: 598,092 km (0.087 R)
• M3: 930,648 km (0.072 R)
• M4: 1,184,516 km (0.06 R)
• M5: 1,485,357 km (0.093 R)
• M6: 1,752,240 km (0.11 R)
• M7: 2,126,683 km (0.063 R)
• M8: 2,426,029 km (0.119 R)
• M9: 2,822,463 km (0.075 R)
• M10: 4,722,206 km (0.117 R)
• M11: 7,525,670 km (0.087 R)
• M12: 9,223,457 km (0.112 R)
• M13: 16,352,094 km (0.033 R)
• M14: 17,442,513 km (0.037 R)
• M15: 18,497,777 km (0.076 R)
• M16: 20,556,692 km (0.098 R)
• M17: 21,457,870 km (0.112 R)
• M18: 23,533,091 km (0.04 R)
• M19: 26,258,316 km (0.033 R)
• M20: 28,297,484 km (0.114 R)
• M21: 31,255,932 km (0.06 R)
• M22: 31,966,821 km (0.079 R)
• M23: 49,979,003 km (0.074 R)
• M24: 52,431,959 km (0.118 R)
• M25: 55,999,121 km (0.062 R)
• M26: 56,521,666 km (0.045 R)
• M27: 59,363,128 km (0.065 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 11,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit