🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.9

Radius: 11.5

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.69 AU - 2.11 AU

Year: 1691 Days

Day: 10.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,187,717 km

• M1: 143,016 km (0.051 R)
• M2: 533,466 km (0.119 R)
• M3: 915,240 km (0.059 R)
• M4: 1,479,224 km (0.11 R)
• M5: 1,880,744 km (0.116 R)
• M6: 2,368,433 km (0.095 R)
• M7: 3,299,381 km (0.107 R)
• M8: 3,867,255 km (0.061 R)
• M9: 4,281,341 km (0.064 R)
• M10: 4,642,172 km (0.072 R)
• M11: 7,339,122 km (0.102 R)
• M12: 8,402,164 km (0.102 R)
• M13: 9,068,025 km (0.111 R)
• M14: 9,666,566 km (0.106 R)
• M15: 10,541,414 km (0.099 R)
• M16: 13,783,798 km (0.1 R)
• M17: 14,264,157 km (0.05 R)
• M18: 15,867,248 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.4

Radius: 8.7

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.18 AU - 2.42 AU

Year: 2252 Days

Day: 14.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,187,717 km

• M1: 108,159 km (0.074 R)
• M2: 382,522 km (0.038 R)
• M3: 929,601 km (0.092 R)
• M4: 1,457,083 km (0.118 R)
• M5: 1,903,633 km (0.052 R)
• M6: 2,276,580 km (0.092 R)
• M7: 2,653,567 km (0.038 R)
• M8: 2,991,060 km (0.058 R)
• M9: 5,295,316 km (0.113 R)
• M10: 6,460,982 km (0.118 R)
• M11: 7,546,165 km (0.096 R)
• M12: 8,452,878 km (0.078 R)
• M13: 9,465,356 km (0.08 R)
• M14: 10,369,077 km (0.112 R)
• M15: 13,248,986 km (0.066 R)
• M16: 17,035,757 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 8.4

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.17 AU - 4.39 AU

Year: 4745 Days

Day: 13.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,187,717 km

• M1: 104,569 km (0.113 R)
• M2: 451,636 km (0.083 R)
• M3: 852,259 km (0.061 R)
• M4: 1,237,474 km (0.061 R)
• M5: 2,033,334 km (0.061 R)
• M6: 2,990,461 km (0.111 R)
• M7: 3,317,482 km (0.059 R)
• M8: 3,834,193 km (0.098 R)
• M9: 4,301,537 km (0.102 R)
• M10: 8,317,492 km (0.089 R)
• M11: 10,368,030 km (0.057 R)
• M12: 13,334,257 km (0.081 R)
• M13: 14,636,805 km (0.085 R)
• M14: 16,772,165 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.4

Radius: 14.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.06 AU - 4.72 AU

Year: 5939 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,187,717 km

• M1: 182,061 km (0.095 R)
• M2: 1,019,210 km (0.094 R)
• M3: 1,473,389 km (0.078 R)
• M4: 2,470,609 km (0.118 R)
• M5: 3,282,476 km (0.097 R)
• M6: 4,290,018 km (0.029 R)
• M7: 6,102,097 km (0.074 R)
• M8: 8,050,909 km (0.092 R)
• M9: 9,109,014 km (0.083 R)
• M10: 9,836,808 km (0.093 R)
• M11: 10,472,749 km (0.043 R)
• M12: 11,686,735 km (0.069 R)
• M13: 15,608,144 km (0.116 R)
• M14: 17,251,178 km (0.111 R)
• M15: 18,557,317 km (0.108 R)
• M16: 20,536,347 km (0.111 R)
• M17: 21,156,580 km (0.097 R)
• M18: 23,166,577 km (0.066 R)
• M19: 26,659,388 km (0.114 R)
• M20: 27,563,707 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.7

Radius: 12.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.06 AU - 5.86 AU

Year: 7132 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,187,717 km

• M1: 153,039 km (0.084 R)
• M2: 843,582 km (0.111 R)
• M3: 1,504,805 km (0.12 R)
• M4: 2,087,339 km (0.086 R)
• M5: 2,798,079 km (0.111 R)
• M6: 3,210,819 km (0.104 R)
• M7: 3,990,673 km (0.071 R)
• M8: 5,894,904 km (0.036 R)
• M9: 6,715,598 km (0.088 R)
• M10: 7,685,890 km (0.051 R)
• M11: 8,829,865 km (0.107 R)
• M12: 10,266,004 km (0.119 R)
• M13: 11,404,594 km (0.065 R)
• M14: 11,852,639 km (0.099 R)
• M15: 13,486,547 km (0.107 R)
• M16: 14,157,793 km (0.077 R)
• M17: 14,734,044 km (0.062 R)
• M18: 15,506,567 km (0.102 R)
• M19: 17,067,771 km (0.108 R)
• M20: 17,853,459 km (0.098 R)
• M21: 20,210,523 km (0.085 R)
• M22: 20,941,608 km (0.088 R)
• M23: 24,451,622 km (0.063 R)
• M24: 29,437,570 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.2

Radius: 7.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.14 AU - 7.54 AU

Year: 11550 Days

Day: 15.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,187,717 km

• M1: 90,806 km (0.082 R)
• M2: 390,151 km (0.085 R)
• M3: 807,380 km (0.038 R)
• M4: 1,255,425 km (0.1 R)
• M5: 1,961,826 km (0.068 R)
• M6: 3,064,812 km (0.074 R)
• M7: 3,511,212 km (0.052 R)
• M8: 5,447,606 km (0.115 R)
• M9: 6,303,605 km (0.098 R)
• M10: 11,352,384 km (0.111 R)
• M11: 15,321,066 km (0.069 R)
• M12: 18,110,917 km (0.073 R)
• M13: 20,896,130 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.5

Radius: 4.7

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.7 AU - 8.54 AU

Year: 12267 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,187,717 km

• M1: 58,493 km (0.094 R)
• M2: 375,640 km (0.084 R)
• M3: 563,236 km (0.117 R)
• M4: 857,046 km (0.086 R)
• M5: 1,070,373 km (0.115 R)
• M6: 1,443,619 km (0.08 R)
• M7: 1,777,073 km (0.12 R)
• M8: 2,160,044 km (0.094 R)
• M9: 2,371,276 km (0.102 R)
• M10: 2,733,901 km (0.098 R)
• M11: 3,311,498 km (0.118 R)
• M12: 3,521,085 km (0.102 R)
• M13: 3,714,665 km (0.108 R)
• M14: 4,203,251 km (0.029 R)
• M15: 4,969,791 km (0.081 R)
• M16: 5,530,035 km (0.106 R)
• M17: 7,742,288 km (0.103 R)
• M18: 9,899,190 km (0.112 R)
• M19: 11,505,722 km (0.03 R)
• M20: 12,989,882 km (0.107 R)
• M21: 14,908,625 km (0.118 R)
• M22: 16,803,581 km (0.085 R)
• M23: 17,914,943 km (0.061 R)
• M24: 18,344,140 km (0.115 R)
• M25: 19,148,527 km (0.115 R)
• M26: 31,119,349 km (0.113 R)
• M27: 34,300,997 km (0.117 R)
• M28: 35,519,770 km (0.084 R)
• M29: 37,692,680 km (0.038 R)
• M30: 38,752,132 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.4

Radius: 6.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.53 AU - 11.37 AU

Year: 23396 Days

Day: 16.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,187,717 km

• M1: 88,861 km (0.083 R)
• M2: 425,905 km (0.115 R)
• M3: 1,169,855 km (0.115 R)
• M4: 1,391,559 km (0.102 R)
• M5: 1,905,578 km (0.109 R)
• M6: 3,193,167 km (0.115 R)
• M7: 4,888,559 km (0.092 R)
• M8: 5,251,184 km (0.061 R)
• M9: 5,502,808 km (0.09 R)
• M10: 5,996,331 km (0.109 R)
• M11: 7,575,038 km (0.087 R)
• M12: 12,115,932 km (0.083 R)
• M13: 15,552,943 km (0.043 R)
• M14: 27,337,365 km (0.084 R)
• M15: 29,452,829 km (0.077 R)
• M16: 33,039,139 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 13,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit