🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.1

Radius: 11.9

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.57 AU - 0.85 AU

Year: 392 Days

Day: 11.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,332,166 km

• M1: 147,952 km (0.077 R)
• M2: 575,802 km (0.113 R)
• M3: 1,220,120 km (0.117 R)
• M4: 1,831,078 km (0.106 R)
• M5: 2,638,906 km (0.111 R)
• M6: 3,423,248 km (0.06 R)
• M7: 4,428,995 km (0.084 R)
• M8: 4,938,675 km (0.09 R)
• M9: 6,130,072 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863

Radius: 12.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.58 AU - 1.84 AU

Year: 1467 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,332,166 km

• M1: 152,141 km (0.051 R)
• M2: 682,615 km (0.086 R)
• M3: 1,340,696 km (0.081 R)
• M4: 1,747,154 km (0.114 R)
• M5: 3,033,546 km (0.108 R)
• M6: 3,465,883 km (0.116 R)
• M7: 4,192,181 km (0.104 R)
• M8: 4,852,506 km (0.083 R)
• M9: 5,648,816 km (0.109 R)
• M10: 7,501,286 km (0.095 R)
• M11: 8,210,380 km (0.075 R)
• M12: 10,642,393 km (0.04 R)
• M13: 13,155,188 km (0.105 R)
• M14: 14,186,665 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.5

Radius: 13.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.56 AU - 3.02 AU

Year: 3057 Days

Day: 13.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,332,166 km

• M1: 171,888 km (0.076 R)
• M2: 628,311 km (0.111 R)
• M3: 1,082,490 km (0.091 R)
• M4: 1,713,195 km (0.099 R)
• M5: 2,371,575 km (0.091 R)
• M6: 2,932,717 km (0.067 R)
• M7: 3,825,517 km (0.041 R)
• M8: 4,802,391 km (0.098 R)
• M9: 5,683,373 km (0.078 R)
• M10: 6,557,772 km (0.11 R)
• M11: 7,248,615 km (0.12 R)
• M12: 10,897,457 km (0.09 R)
• M13: 11,375,721 km (0.089 R)
• M14: 12,851,953 km (0.062 R)
• M15: 13,567,779 km (0.113 R)
• M16: 15,079,465 km (0.118 R)
• M17: 16,491,968 km (0.046 R)
• M18: 19,173,510 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.1

Radius: 8.4

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.9 AU - 3.6 AU

Year: 3844 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,332,166 km

• M1: 108,608 km (0.116 R)
• M2: 398,678 km (0.117 R)
• M3: 995,275 km (0.088 R)
• M4: 1,562,400 km (0.117 R)
• M5: 2,472,404 km (0.114 R)
• M6: 2,984,926 km (0.093 R)
• M7: 3,473,663 km (0.074 R)
• M8: 3,835,091 km (0.041 R)
• M9: 4,117,233 km (0.062 R)
• M10: 4,544,634 km (0.087 R)
• M11: 5,240,862 km (0.102 R)
• M12: 5,926,469 km (0.112 R)
• M13: 6,332,478 km (0.107 R)
• M14: 7,726,132 km (0.098 R)
• M15: 8,178,216 km (0.096 R)
• M16: 8,994,123 km (0.036 R)
• M17: 10,088,880 km (0.077 R)
• M18: 12,628,903 km (0.068 R)
• M19: 13,857,849 km (0.064 R)
• M20: 16,288,515 km (0.111 R)
• M21: 17,853,608 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 12.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.54 AU - 4.24 AU

Year: 5033 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,332,166 km

• M1: 160,070 km (0.092 R)
• M2: 1,014,274 km (0.047 R)
• M3: 1,732,343 km (0.102 R)
• M4: 2,616,317 km (0.073 R)
• M5: 3,869,499 km (0.071 R)
• M6: 4,431,239 km (0.118 R)
• M7: 5,286,938 km (0.114 R)
• M8: 6,053,179 km (0.071 R)
• M9: 6,501,523 km (0.064 R)
• M10: 6,945,380 km (0.108 R)
• M11: 7,606,453 km (0.102 R)
• M12: 8,188,987 km (0.114 R)
• M13: 9,054,561 km (0.03 R)
• M14: 10,255,981 km (0.074 R)
• M15: 11,040,772 km (0.09 R)
• M16: 11,560,774 km (0.109 R)
• M17: 12,371,594 km (0.073 R)
• M18: 13,055,257 km (0.102 R)
• M19: 13,764,051 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965

Radius: 6.2

Gravity: 25.1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.2 AU - 9.64 AU

Year: 18966 Days

Day: 23.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,332,166 km

• M1: 77,940 km (0.1 R)
• M2: 668,403 km (0.119 R)
• M3: 1,556,416 km (0.082 R)
• M4: 2,433,957 km (0.096 R)
• M5: 2,722,232 km (0.079 R)
• M6: 4,176,324 km (0.082 R)
• M7: 4,994,026 km (0.095 R)
• M8: 5,622,636 km (0.095 R)
• M9: 10,236,085 km (0.057 R)
• M10: 14,834,125 km (0.088 R)
• M11: 15,714,508 km (0.11 R)
• M12: 16,629,299 km (0.03 R)
• M13: 18,112,113 km (0.077 R)
• M14: 18,655,752 km (0.084 R)
• M15: 19,117,112 km (0.032 R)
• M16: 23,085,943 km (0.076 R)
• M17: 24,595,536 km (0.086 R)
• M18: 25,486,989 km (0.107 R)
• M19: 26,747,650 km (0.117 R)
• M20: 28,533,101 km (0.078 R)
• M21: 29,891,899 km (0.057 R)
• M22: 30,143,522 km (0.087 R)
• M23: 30,396,492 km (0.086 R)
• M24: 32,339,469 km (0.089 R)
• M25: 35,900,796 km (0.041 R)
• M26: 38,662,672 km (0.062 R)
• M27: 43,629,172 km (0.092 R)
• M28: 49,354,282 km (0.113 R)
• M29: 53,313,839 km (0.066 R)
• M30: 54,804,582 km (0.102 R)
• M31: 58,849,708 km (0.029 R)
• M32: 59,841,392 km (0.062 R)
• M33: 63,711,340 km (0.054 R)
• M34: 66,239,544 km (0.067 R)
• M35: 71,046,871 km (0.106 R)
• M36: 71,495,066 km (0.033 R)
• M37: 77,021,960 km (0.072 R)
• M38: 78,446,730 km (0.117 R)
• M39: 79,165,697 km (0.052 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 10,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit