🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 10

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.18 AU - 1.88 AU

Year: 1330 Days

Day: 14.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,190,680 km

• M1: 124,465 km (0.105 R)
• M2: 439,369 km (0.1 R)
• M3: 955,781 km (0.067 R)
• M4: 1,380,788 km (0.077 R)
• M5: 1,843,644 km (0.076 R)
• M6: 2,197,294 km (0.077 R)
• M7: 3,030,105 km (0.094 R)
• M8: 4,347,464 km (0.093 R)
• M9: 4,924,164 km (0.109 R)
• M10: 5,653,902 km (0.043 R)
• M11: 7,377,120 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 13.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.49 AU - 1.75 AU

Year: 1449 Days

Day: 10.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,190,680 km

• M1: 166,652 km (0.109 R)
• M2: 630,555 km (0.028 R)
• M3: 1,091,017 km (0.117 R)
• M4: 1,616,255 km (0.104 R)
• M5: 2,084,048 km (0.07 R)
• M6: 2,882,901 km (0.085 R)
• M7: 3,827,162 km (0.099 R)
• M8: 4,244,391 km (0.115 R)
• M9: 5,234,130 km (0.08 R)
• M10: 6,277,276 km (0.101 R)
• M11: 7,587,903 km (0.091 R)
• M12: 8,568,218 km (0.102 R)
• M13: 9,380,684 km (0.104 R)
• M14: 10,576,869 km (0.09 R)
• M15: 13,114,797 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.4

Radius: 11.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.81 AU - 2.25 AU

Year: 2033 Days

Day: 7.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,190,680 km

• M1: 139,276 km (0.091 R)
• M2: 519,254 km (0.102 R)
• M3: 890,706 km (0.111 R)
• M4: 1,466,358 km (0.065 R)
• M5: 1,972,149 km (0.106 R)
• M6: 3,178,955 km (0.077 R)
• M7: 4,072,054 km (0.106 R)
• M8: 4,638,581 km (0.071 R)
• M9: 5,016,316 km (0.102 R)
• M10: 5,762,510 km (0.102 R)
• M11: 6,659,349 km (0.046 R)
• M12: 8,760,601 km (0.067 R)
• M13: 9,605,829 km (0.063 R)
• M14: 9,979,524 km (0.073 R)
• M15: 10,756,087 km (0.12 R)
• M16: 12,832,805 km (0.04 R)
• M17: 13,965,859 km (0.053 R)
• M18: 14,667,922 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.8

Radius: 11.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.66 AU - 4.28 AU

Year: 5560 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,190,680 km

• M1: 144,362 km (0.061 R)
• M2: 769,083 km (0.064 R)
• M3: 1,338,003 km (0.098 R)
• M4: 1,951,504 km (0.088 R)
• M5: 3,208,874 km (0.071 R)
• M6: 6,653,365 km (0.116 R)
• M7: 7,238,293 km (0.086 R)
• M8: 8,724,997 km (0.103 R)
• M9: 10,325,245 km (0.076 R)
• M10: 16,624,213 km (0.099 R)
• M11: 19,436,952 km (0.03 R)
• M12: 19,934,814 km (0.103 R)
• M13: 20,505,081 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.4

Radius: 14

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.77 AU - 5.67 AU

Year: 7208 Days

Day: 11.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,190,680 km

• M1: 174,132 km (0.106 R)
• M2: 845,527 km (0.117 R)
• M3: 2,058,766 km (0.1 R)
• M4: 2,589,689 km (0.076 R)
• M5: 3,627,748 km (0.098 R)
• M6: 5,668,712 km (0.097 R)
• M7: 6,181,534 km (0.084 R)
• M8: 7,045,162 km (0.111 R)
• M9: 8,592,602 km (0.086 R)
• M10: 11,224,777 km (0.096 R)
• M11: 15,190,467 km (0.033 R)
• M12: 15,682,195 km (0.075 R)
• M13: 19,715,653 km (0.115 R)
• M14: 20,672,780 km (0.118 R)
• M15: 27,079,459 km (0.114 R)
• M16: 27,530,347 km (0.078 R)
• M17: 33,858,336 km (0.06 R)
• M18: 35,985,169 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.3

Radius: 6.6

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.07 AU - 6.65 AU

Year: 9971 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,190,680 km

• M1: 82,129 km (0.117 R)
• M2: 289,472 km (0.08 R)
• M3: 594,053 km (0.106 R)
• M4: 1,295,667 km (0.101 R)
• M5: 1,633,758 km (0.056 R)
• M6: 1,852,470 km (0.12 R)
• M7: 2,666,732 km (0.116 R)
• M8: 4,228,085 km (0.099 R)
• M9: 4,644,116 km (0.083 R)
• M10: 5,260,460 km (0.107 R)
• M11: 5,741,865 km (0.074 R)
• M12: 7,547,961 km (0.057 R)
• M13: 8,238,953 km (0.085 R)
• M14: 9,055,458 km (0.097 R)
• M15: 10,565,350 km (0.086 R)
• M16: 10,800,817 km (0.057 R)
• M17: 11,282,073 km (0.063 R)
• M18: 11,929,084 km (0.104 R)
• M19: 12,235,909 km (0.028 R)
• M20: 12,443,401 km (0.108 R)
• M21: 13,849,621 km (0.096 R)
• M22: 16,591,750 km (0.031 R)
• M23: 17,297,403 km (0.05 R)
• M24: 17,756,818 km (0.085 R)
• M25: 18,427,017 km (0.117 R)
• M26: 18,768,399 km (0.081 R)
• M27: 20,612,193 km (0.104 R)
• M28: 24,820,830 km (0.101 R)
• M29: 25,828,222 km (0.11 R)
• M30: 29,197,764 km (0.086 R)
• M31: 29,755,316 km (0.075 R)
• M32: 32,749,517 km (0.09 R)
• M33: 33,452,328 km (0.055 R)
• M34: 34,370,709 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.9

Radius: 4.6

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.03 AU - 10.41 AU

Year: 18100 Days

Day: 20.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,190,680 km

• M1: 57,146 km (0.11 R)
• M2: 331,808 km (0.058 R)
• M3: 533,167 km (0.086 R)
• M4: 823,835 km (0.064 R)
• M5: 1,005,597 km (0.118 R)
• M6: 1,395,599 km (0.072 R)
• M7: 1,551,031 km (0.1 R)
• M8: 2,160,941 km (0.1 R)
• M9: 2,740,932 km (0.117 R)
• M10: 5,198,077 km (0.12 R)
• M11: 7,261,481 km (0.103 R)
• M12: 9,114,998 km (0.077 R)
• M13: 9,261,754 km (0.073 R)
• M14: 10,020,065 km (0.03 R)
• M15: 11,038,827 km (0.084 R)
• M16: 13,723,660 km (0.096 R)
• M17: 14,177,091 km (0.062 R)
• M18: 15,113,574 km (0.088 R)
• M19: 17,558,601 km (0.035 R)
• M20: 20,254,804 km (0.049 R)
• M21: 20,589,155 km (0.071 R)
• M22: 21,097,339 km (0.116 R)
• M23: 23,214,598 km (0.076 R)
• M24: 23,672,816 km (0.097 R)
• M25: 29,012,712 km (0.099 R)
• M26: 36,562,468 km (0.05 R)
• M27: 46,470,484 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 13,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit