🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.1

Radius: 11.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.67 AU - 0.87 AU

Year: 466 Days

Day: 6.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,700,367 km

• M1: 140,472 km (0.113 R)
• M2: 537,206 km (0.055 R)
• M3: 921,074 km (0.103 R)
• M4: 1,641,687 km (0.106 R)
• M5: 2,184,129 km (0.076 R)
• M6: 2,749,160 km (0.106 R)
• M7: 3,117,620 km (0.067 R)
• M8: 3,568,807 km (0.1 R)
• M9: 4,009,373 km (0.108 R)
• M10: 4,471,480 km (0.108 R)
• M11: 5,016,017 km (0.11 R)
• M12: 5,386,720 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.4

Radius: 13.7

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.12 AU - 1.44 AU

Year: 1000 Days

Day: 6.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,700,367 km

• M1: 170,392 km (0.068 R)
• M2: 626,815 km (0.055 R)
• M3: 1,124,527 km (0.103 R)
• M4: 1,644,081 km (0.088 R)
• M5: 2,235,591 km (0.117 R)
• M6: 3,062,568 km (0.115 R)
• M7: 3,495,055 km (0.117 R)
• M8: 4,051,559 km (0.081 R)
• M9: 7,214,956 km (0.099 R)
• M10: 7,724,636 km (0.098 R)
• M11: 9,310,822 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 14.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.78 AU - 2.06 AU

Year: 1836 Days

Day: 9.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,700,367 km

• M1: 179,069 km (0.092 R)
• M2: 708,496 km (0.1 R)
• M3: 1,216,979 km (0.109 R)
• M4: 1,898,397 km (0.048 R)
• M5: 2,569,643 km (0.113 R)
• M6: 3,198,253 km (0.082 R)
• M7: 3,708,830 km (0.076 R)
• M8: 5,072,864 km (0.057 R)
• M9: 5,747,849 km (0.063 R)
• M10: 8,387,803 km (0.108 R)
• M11: 10,241,919 km (0.062 R)
• M12: 10,866,939 km (0.099 R)
• M13: 11,673,870 km (0.106 R)
• M14: 12,853,748 km (0.109 R)
• M15: 16,770,968 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361

Radius: 11.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.06 AU - 3.36 AU

Year: 3079 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,700,367 km

• M1: 143,315 km (0.082 R)
• M2: 588,069 km (0.099 R)
• M3: 1,073,963 km (0.08 R)
• M4: 1,496,876 km (0.118 R)
• M5: 1,869,973 km (0.088 R)
• M6: 2,305,902 km (0.059 R)
• M7: 3,613,237 km (0.079 R)
• M8: 4,236,462 km (0.119 R)
• M9: 5,896,101 km (0.097 R)
• M10: 6,544,308 km (0.088 R)
• M11: 7,620,216 km (0.117 R)
• M12: 8,200,506 km (0.112 R)
• M13: 9,519,062 km (0.107 R)
• M14: 11,595,780 km (0.081 R)
• M15: 12,488,879 km (0.116 R)
• M16: 13,470,989 km (0.106 R)
• M17: 16,424,649 km (0.056 R)
• M18: 16,930,290 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 9.5

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.36 AU - 3.58 AU

Year: 3533 Days

Day: 6.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,700,367 km

• M1: 118,182 km (0.095 R)
• M2: 432,188 km (0.078 R)
• M3: 784,790 km (0.112 R)
• M4: 1,151,455 km (0.071 R)
• M5: 1,594,115 km (0.101 R)
• M6: 1,899,295 km (0.113 R)
• M7: 2,342,703 km (0.056 R)
• M8: 2,868,689 km (0.11 R)
• M9: 3,183,443 km (0.113 R)
• M10: 3,538,139 km (0.094 R)
• M11: 3,919,015 km (0.108 R)
• M12: 4,846,223 km (0.111 R)
• M13: 5,339,447 km (0.098 R)
• M14: 6,032,684 km (0.077 R)
• M15: 8,116,283 km (0.089 R)
• M16: 8,781,694 km (0.095 R)
• M17: 9,450,247 km (0.069 R)
• M18: 10,568,940 km (0.12 R)
• M19: 12,389,696 km (0.104 R)
• M20: 12,986,591 km (0.109 R)
• M21: 14,453,997 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.5

Radius: 8.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.83 AU - 3.75 AU

Year: 4119 Days

Day: 5.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,700,367 km

• M1: 103,671 km (0.096 R)
• M2: 407,804 km (0.118 R)
• M3: 708,795 km (0.12 R)
• M4: 973,733 km (0.027 R)
• M5: 1,572,872 km (0.108 R)
• M6: 3,194,363 km (0.075 R)
• M7: 4,005,633 km (0.103 R)
• M8: 4,362,872 km (0.107 R)
• M9: 4,685,705 km (0.056 R)
• M10: 5,646,572 km (0.082 R)
• M11: 6,229,255 km (0.077 R)
• M12: 7,067,751 km (0.096 R)
• M13: 9,226,897 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.8

Radius: 11.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.17 AU - 5.13 AU

Year: 5836 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,700,367 km

• M1: 146,756 km (0.088 R)
• M2: 980,764 km (0.12 R)
• M3: 1,515,426 km (0.114 R)
• M4: 2,183,830 km (0.099 R)
• M5: 2,555,580 km (0.062 R)
• M6: 3,203,190 km (0.108 R)
• M7: 4,354,644 km (0.058 R)
• M8: 5,307,433 km (0.092 R)
• M9: 7,623,358 km (0.094 R)
• M10: 9,973,241 km (0.065 R)
• M11: 10,629,078 km (0.092 R)
• M12: 11,845,758 km (0.093 R)
• M13: 14,972,652 km (0.063 R)
• M14: 17,593,308 km (0.109 R)
• M15: 19,860,913 km (0.073 R)
• M16: 21,973,683 km (0.106 R)
• M17: 23,653,817 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.5

Radius: 4.6

Gravity: 45.3 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.28 AU - 6.96 AU

Year: 9196 Days

Day: 23.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,700,367 km

• M1: 57,146 km (0.071 R)
• M2: 268,528 km (0.071 R)
• M3: 432,787 km (0.096 R)
• M4: 697,874 km (0.109 R)
• M5: 926,908 km (0.091 R)
• M6: 1,192,893 km (0.04 R)
• M7: 1,508,246 km (0.098 R)
• M8: 1,961,228 km (0.074 R)
• M9: 2,540,172 km (0.111 R)
• M10: 3,274,099 km (0.077 R)
• M11: 3,598,876 km (0.089 R)
• M12: 3,836,138 km (0.107 R)
• M13: 4,672,091 km (0.117 R)
• M14: 4,859,088 km (0.077 R)
• M15: 6,775,138 km (0.058 R)
• M16: 7,096,175 km (0.099 R)
• M17: 7,596,879 km (0.076 R)
• M18: 10,511,195 km (0.086 R)
• M19: 10,832,831 km (0.042 R)
• M20: 10,996,191 km (0.117 R)
• M21: 13,457,824 km (0.092 R)
• M22: 14,353,766 km (0.07 R)
• M23: 15,910,930 km (0.038 R)
• M24: 16,122,013 km (0.111 R)
• M25: 16,477,906 km (0.096 R)
• M26: 17,502,352 km (0.116 R)
• M27: 22,730,050 km (0.074 R)
• M28: 23,177,497 km (0.1 R)
• M29: 23,722,183 km (0.109 R)
• M30: 26,871,518 km (0.068 R)
• M31: 28,909,789 km (0.058 R)
• M32: 34,569,076 km (0.115 R)
• M33: 36,853,136 km (0.048 R)
• M34: 38,852,961 km (0.069 R)
• M35: 42,254,966 km (0.073 R)
• M36: 48,014,633 km (0.073 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 11,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit