🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 9.8

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.28 AU - 1.86 AU

Year: 1358 Days

Day: 11.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,355,829 km

• M1: 121,922 km (0.094 R)
• M2: 574,755 km (0.09 R)
• M3: 882,478 km (0.091 R)
• M4: 1,210,546 km (0.119 R)
• M5: 1,728,454 km (0.109 R)
• M6: 2,452,208 km (0.116 R)
• M7: 3,014,247 km (0.096 R)
• M8: 3,727,829 km (0.066 R)
• M9: 4,079,384 km (0.09 R)
• M10: 4,748,236 km (0.11 R)
• M11: 5,312,968 km (0.101 R)
• M12: 6,856,519 km (0.106 R)
• M13: 7,305,313 km (0.118 R)
• M14: 7,633,979 km (0.111 R)
• M15: 9,017,161 km (0.056 R)
• M16: 9,331,766 km (0.084 R)
• M17: 10,016,475 km (0.088 R)
• M18: 10,875,017 km (0.113 R)
• M19: 12,503,839 km (0.115 R)
• M20: 13,417,283 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.71 AU - 2.39 AU

Year: 2026 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,355,829 km

• M1: 137,181 km (0.049 R)
• M2: 470,635 km (0.064 R)
• M3: 751,131 km (0.108 R)
• M4: 1,526,347 km (0.071 R)
• M5: 1,901,539 km (0.065 R)
• M6: 2,819,920 km (0.092 R)
• M7: 3,159,357 km (0.11 R)
• M8: 4,520,548 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 8.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.67 AU - 2.75 AU

Year: 2268 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,355,829 km

• M1: 129,851 km (0.062 R)
• M2: 821,891 km (0.09 R)
• M3: 1,767,200 km (0.071 R)
• M4: 2,819,770 km (0.083 R)
• M5: 3,684,446 km (0.076 R)
• M6: 5,782,556 km (0.096 R)
• M7: 6,777,980 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.5

Radius: 10.7

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.86 AU - 2.62 AU

Year: 2314 Days

Day: 14.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,355,829 km

• M1: 133,142 km (0.107 R)
• M2: 469,887 km (0.111 R)
• M3: 999,015 km (0.044 R)
• M4: 2,226,914 km (0.074 R)
• M5: 2,681,841 km (0.082 R)
• M6: 3,429,830 km (0.091 R)
• M7: 4,827,074 km (0.097 R)
• M8: 6,234,042 km (0.067 R)
• M9: 7,778,192 km (0.109 R)
• M10: 8,387,055 km (0.106 R)
• M11: 8,896,885 km (0.046 R)
• M12: 9,700,225 km (0.08 R)
• M13: 10,226,361 km (0.057 R)
• M14: 11,145,640 km (0.101 R)
• M15: 11,840,971 km (0.115 R)
• M16: 13,532,623 km (0.083 R)
• M17: 14,190,106 km (0.118 R)
• M18: 14,914,758 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.3

Radius: 11.6

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.72 AU - 6.24 AU

Year: 8855 Days

Day: 10.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,355,829 km

• M1: 151,991 km (0.087 R)
• M2: 662,719 km (0.075 R)
• M3: 1,348,924 km (0.075 R)
• M4: 1,909,168 km (0.115 R)
• M5: 2,860,311 km (0.1 R)
• M6: 4,264,138 km (0.108 R)
• M7: 5,164,866 km (0.106 R)
• M8: 9,081,339 km (0.12 R)
• M9: 10,317,915 km (0.056 R)
• M10: 12,045,022 km (0.11 R)
• M11: 13,655,443 km (0.111 R)
• M12: 14,954,102 km (0.1 R)
• M13: 16,401,163 km (0.06 R)
• M14: 19,495,744 km (0.107 R)
• M15: 26,253,080 km (0.12 R)
• M16: 27,673,512 km (0.079 R)
• M17: 29,144,358 km (0.116 R)
• M18: 40,682,543 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.9

Radius: 4.7

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.55 AU - 6.69 AU

Year: 9196 Days

Day: 16.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,355,829 km

• M1: 58,493 km (0.113 R)
• M2: 209,138 km (0.111 R)
• M3: 394,789 km (0.092 R)
• M4: 608,115 km (0.088 R)
• M5: 1,021,155 km (0.077 R)
• M6: 1,421,180 km (0.112 R)
• M7: 2,116,511 km (0.036 R)
• M8: 2,806,456 km (0.052 R)
• M9: 7,644,900 km (0.109 R)
• M10: 9,867,476 km (0.052 R)
• M11: 12,606,313 km (0.116 R)
• M12: 14,019,415 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.2

Radius: 5.3

Gravity: 26.64 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.49 AU - 6.67 AU

Year: 11651 Days

Day: 20.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 53,355,829 km

• M1: 67,917 km (0.105 R)
• M2: 324,777 km (0.091 R)
• M3: 898,634 km (0.059 R)
• M4: 1,213,688 km (0.053 R)
• M5: 1,510,639 km (0.081 R)
• M6: 1,755,980 km (0.108 R)
• M7: 1,974,692 km (0.107 R)
• M8: 2,307,547 km (0.097 R)
• M9: 2,876,169 km (0.068 R)
• M10: 3,229,968 km (0.096 R)
• M11: 4,227,037 km (0.097 R)
• M12: 4,941,666 km (0.097 R)
• M13: 5,733,638 km (0.104 R)
• M14: 6,028,046 km (0.111 R)
• M15: 6,488,508 km (0.074 R)
• M16: 6,687,025 km (0.037 R)
• M17: 7,264,921 km (0.074 R)
• M18: 8,055,995 km (0.075 R)
• M19: 11,507,218 km (0.109 R)
• M20: 12,702,355 km (0.114 R)
• M21: 16,929,841 km (0.115 R)
• M22: 17,921,526 km (0.105 R)
• M23: 18,550,734 km (0.089 R)
• M24: 20,869,202 km (0.054 R)
• M25: 21,389,952 km (0.098 R)
• M26: 23,096,415 km (0.117 R)
• M27: 23,935,510 km (0.089 R)
• M28: 25,183,006 km (0.078 R)
• M29: 25,773,320 km (0.102 R)
• M30: 27,703,132 km (0.082 R)
• M31: 28,016,390 km (0.087 R)
• M32: 31,280,167 km (0.119 R)
• M33: 33,003,235 km (0.043 R)
• M34: 34,186,554 km (0.093 R)
• M35: 35,643,488 km (0.035 R)
• M36: 37,267,971 km (0.112 R)
• M37: 39,995,290 km (0.103 R)
• M38: 45,552,851 km (0.083 R)
• M39: 53,356,923 km (0.08 R)
• M40: 53,679,905 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.8

Radius: 5.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.78 AU - 8.12 AU

Year: 15473 Days

Day: 18.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,355,829 km

• M1: 64,626 km (0.116 R)
• M2: 457,470 km (0.113 R)
• M3: 654,640 km (0.113 R)
• M4: 1,100,741 km (0.088 R)
• M5: 1,887,626 km (0.097 R)
• M6: 2,218,686 km (0.082 R)
• M7: 4,582,033 km (0.072 R)
• M8: 9,282,697 km (0.101 R)
• M9: 10,846,444 km (0.077 R)
• M10: 11,760,936 km (0.106 R)
• M11: 13,899,288 km (0.058 R)
• M12: 17,664,517 km (0.091 R)
• M13: 23,895,417 km (0.09 R)
• M14: 25,674,286 km (0.079 R)
• M15: 26,474,485 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.8

Radius: 6.5

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.81 AU - 9.79 AU

Year: 16505 Days

Day: 22 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,355,829 km

• M1: 81,082 km (0.084 R)
• M2: 361,428 km (0.108 R)
• M3: 1,017,266 km (0.107 R)
• M4: 1,327,083 km (0.068 R)
• M5: 1,683,425 km (0.108 R)
• M6: 2,138,053 km (0.103 R)
• M7: 2,566,501 km (0.11 R)
• M8: 3,593,790 km (0.071 R)
• M9: 4,141,767 km (0.09 R)
• M10: 5,576,709 km (0.089 R)
• M11: 6,046,596 km (0.096 R)
• M12: 6,387,081 km (0.088 R)
• M13: 8,238,804 km (0.118 R)
• M14: 12,473,022 km (0.071 R)
• M15: 14,443,076 km (0.106 R)
• M16: 15,397,211 km (0.03 R)
• M17: 16,320,230 km (0.096 R)
• M18: 18,748,503 km (0.081 R)
• M19: 19,068,044 km (0.091 R)
• M20: 20,215,160 km (0.072 R)
• M21: 21,148,202 km (0.083 R)
• M22: 22,021,106 km (0.103 R)
• M23: 23,100,006 km (0.115 R)
• M24: 25,265,435 km (0.118 R)
• M25: 27,255,535 km (0.074 R)
• M26: 27,975,999 km (0.087 R)
• M27: 28,709,028 km (0.034 R)
• M28: 30,213,684 km (0.079 R)
• M29: 32,110,435 km (0.106 R)
• M30: 33,145,951 km (0.114 R)
• M31: 35,526,802 km (0.058 R)
• M32: 35,770,945 km (0.081 R)
• M33: 36,386,241 km (0.048 R)
• M34: 42,657,085 km (0.061 R)
• M35: 50,530,421 km (0.106 R)
• M36: 51,460,920 km (0.076 R)
• M37: 52,087,435 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 18,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit