🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.2

Radius: 12.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.87 AU - 1.25 AU

Year: 753 Days

Day: 8.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,319,974 km

• M1: 160,369 km (0.09 R)
• M2: 616,642 km (0.04 R)
• M3: 1,347,877 km (0.083 R)
• M4: 1,813,126 km (0.029 R)
• M5: 2,248,157 km (0.042 R)
• M6: 3,045,364 km (0.074 R)
• M7: 3,875,632 km (0.094 R)
• M8: 4,698,570 km (0.057 R)
• M9: 5,398,090 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.7

Radius: 11.8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.53 AU - 1.83 AU

Year: 1503 Days

Day: 5.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 167.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,319,974 km

• M1: 146,756 km (0.118 R)
• M2: 871,258 km (0.098 R)
• M3: 1,249,441 km (0.086 R)
• M4: 1,797,568 km (0.091 R)
• M5: 3,207,229 km (0.06 R)
• M6: 4,747,488 km (0.1 R)
• M7: 6,920,846 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.3

Radius: 10.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.29 AU - 2.71 AU

Year: 2728 Days

Day: 7.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,319,974 km

• M1: 125,662 km (0.072 R)
• M2: 490,980 km (0.071 R)
• M3: 1,090,568 km (0.107 R)
• M4: 1,548,936 km (0.083 R)
• M5: 2,108,283 km (0.109 R)
• M6: 2,590,886 km (0.093 R)
• M7: 3,348,000 km (0.084 R)
• M8: 4,348,361 km (0.076 R)
• M9: 4,996,868 km (0.111 R)
• M10: 7,969,527 km (0.11 R)
• M11: 9,525,196 km (0.106 R)
• M12: 9,953,046 km (0.077 R)
• M13: 13,359,688 km (0.112 R)
• M14: 14,307,840 km (0.099 R)
• M15: 14,727,611 km (0.119 R)
• M16: 16,036,742 km (0.066 R)
• M17: 16,642,763 km (0.119 R)
• M18: 18,170,606 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.3

Radius: 6.1

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.59 AU - 5.61 AU

Year: 9147 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,319,974 km

• M1: 78,090 km (0.115 R)
• M2: 445,802 km (0.093 R)
• M3: 1,087,128 km (0.083 R)
• M4: 1,376,001 km (0.081 R)
• M5: 2,561,116 km (0.075 R)
• M6: 3,137,067 km (0.049 R)
• M7: 3,679,958 km (0.112 R)
• M8: 4,232,872 km (0.039 R)
• M9: 5,007,190 km (0.048 R)
• M10: 7,855,534 km (0.102 R)
• M11: 10,200,780 km (0.104 R)
• M12: 11,781,730 km (0.084 R)
• M13: 14,768,003 km (0.116 R)
• M14: 18,493,887 km (0.097 R)
• M15: 19,181,888 km (0.108 R)
• M16: 22,490,394 km (0.094 R)
• M17: 26,074,759 km (0.059 R)
• M18: 26,418,386 km (0.046 R)
• M19: 28,272,053 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.7

Radius: 3.8

Gravity: 51.92 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.72 AU - 6.48 AU

Year: 9147 Days

Day: 23.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,319,974 km

• M1: 47,572 km (0.086 R)
• M2: 318,494 km (0.063 R)
• M3: 502,948 km (0.045 R)
• M4: 993,330 km (0.105 R)
• M5: 1,112,410 km (0.082 R)
• M6: 1,688,062 km (0.097 R)
• M7: 3,848,405 km (0.116 R)
• M8: 5,451,197 km (0.08 R)
• M9: 5,619,046 km (0.117 R)
• M10: 7,492,011 km (0.109 R)
• M11: 8,082,923 km (0.113 R)
• M12: 8,523,488 km (0.055 R)
• M13: 9,646,071 km (0.104 R)
• M14: 9,792,976 km (0.106 R)
• M15: 10,141,539 km (0.067 R)
• M16: 10,863,498 km (0.103 R)
• M17: 11,075,927 km (0.11 R)
• M18: 11,345,353 km (0.056 R)
• M19: 11,509,163 km (0.092 R)
• M20: 12,699,812 km (0.112 R)
• M21: 13,660,380 km (0.031 R)
• M22: 14,927,923 km (0.11 R)
• M23: 15,724,980 km (0.057 R)
• M24: 17,187,299 km (0.11 R)
• M25: 19,664,491 km (0.094 R)
• M26: 21,193,530 km (0.088 R)
• M27: 21,441,863 km (0.102 R)
• M28: 23,060,811 km (0.12 R)
• M29: 23,499,881 km (0.034 R)
• M30: 28,202,789 km (0.08 R)
• M31: 28,503,481 km (0.109 R)
• M32: 30,352,062 km (0.085 R)
• M33: 30,562,247 km (0.068 R)
• M34: 33,160,911 km (0.113 R)
• M35: 34,742,909 km (0.057 R)
• M36: 36,256,241 km (0.096 R)
• M37: 37,449,882 km (0.104 R)
• M38: 38,916,540 km (0.112 R)
• M39: 42,881,631 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.4

Radius: 4.8

Gravity: 36.78 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.2 AU - 9.66 AU

Year: 18420 Days

Day: 19.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,319,974 km

• M1: 59,839 km (0.026 R)
• M2: 229,483 km (0.067 R)
• M3: 466,745 km (0.1 R)
• M4: 659,427 km (0.1 R)
• M5: 951,592 km (0.099 R)
• M6: 1,513,781 km (0.068 R)
• M7: 1,701,825 km (0.102 R)
• M8: 2,043,208 km (0.064 R)
• M9: 2,317,121 km (0.102 R)
• M10: 4,537,752 km (0.063 R)
• M11: 5,078,848 km (0.103 R)
• M12: 5,541,853 km (0.067 R)
• M13: 7,727,927 km (0.072 R)
• M14: 8,183,901 km (0.076 R)
• M15: 9,317,255 km (0.104 R)
• M16: 10,128,524 km (0.115 R)
• M17: 11,049,000 km (0.113 R)
• M18: 11,367,793 km (0.089 R)
• M19: 18,831,679 km (0.098 R)
• M20: 19,103,798 km (0.09 R)
• M21: 19,378,459 km (0.089 R)
• M22: 19,562,914 km (0.109 R)
• M23: 22,677,990 km (0.074 R)
• M24: 24,032,748 km (0.086 R)
• M25: 25,110,751 km (0.066 R)
• M26: 26,220,767 km (0.096 R)
• M27: 30,238,966 km (0.12 R)
• M28: 33,442,454 km (0.112 R)
• M29: 35,469,206 km (0.045 R)
• M30: 36,023,167 km (0.055 R)
• M31: 39,914,357 km (0.054 R)
• M32: 41,576,839 km (0.043 R)
• M33: 41,730,326 km (0.091 R)
• M34: 50,585,772 km (0.092 R)
• M35: 55,263,548 km (0.104 R)
• M36: 60,614,514 km (0.065 R)
• M37: 66,091,741 km (0.117 R)
• M38: 71,448,990 km (0.061 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 13,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit