🌌 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: 147.9

Radius: 8.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.7 AU - 0.72 AU

Year: 392 Days

Day: 5.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,726,230 km

• M1: 109,506 km (0.109 R)
• M2: 390,600 km (0.105 R)
• M3: 679,474 km (0.044 R)
• M4: 955,332 km (0.105 R)
• M5: 1,710,951 km (0.1 R)
• M6: 2,130,872 km (0.049 R)
• M7: 2,880,357 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.2

Radius: 12

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.99 AU - 1.11 AU

Year: 706 Days

Day: 12.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,726,230 km

• M1: 149,299 km (0.072 R)
• M2: 528,828 km (0.041 R)
• M3: 910,901 km (0.109 R)
• M4: 1,359,994 km (0.071 R)
• M5: 1,877,453 km (0.083 R)
• M6: 2,417,801 km (0.101 R)
• M7: 3,072,740 km (0.117 R)
• M8: 3,586,759 km (0.037 R)
• M9: 4,081,329 km (0.074 R)
• M10: 5,118,940 km (0.08 R)
• M11: 5,844,639 km (0.064 R)
• M12: 8,538,747 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 12.7

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.73 AU - 2.59 AU

Year: 2083 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,726,230 km

• M1: 157,975 km (0.057 R)
• M2: 720,015 km (0.12 R)
• M3: 1,157,588 km (0.081 R)
• M4: 1,691,952 km (0.097 R)
• M5: 2,204,923 km (0.076 R)
• M6: 2,882,452 km (0.098 R)
• M7: 3,460,947 km (0.119 R)
• M8: 4,338,488 km (0.116 R)
• M9: 5,383,130 km (0.115 R)
• M10: 5,901,038 km (0.104 R)
• M11: 6,895,115 km (0.108 R)
• M12: 7,299,329 km (0.108 R)
• M13: 8,092,048 km (0.069 R)
• M14: 9,043,191 km (0.043 R)
• M15: 11,605,204 km (0.06 R)
• M16: 13,471,887 km (0.115 R)
• M17: 14,807,048 km (0.088 R)
• M18: 15,580,469 km (0.116 R)
• M19: 16,228,527 km (0.111 R)
• M20: 18,281,009 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.7

Radius: 13.5

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.96 AU - 2.76 AU

Year: 2378 Days

Day: 11.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,726,230 km

• M1: 167,849 km (0.063 R)
• M2: 692,339 km (0.087 R)
• M3: 1,413,999 km (0.034 R)
• M4: 1,842,896 km (0.091 R)
• M5: 2,619,309 km (0.04 R)
• M6: 3,068,552 km (0.111 R)
• M7: 3,712,271 km (0.104 R)
• M8: 4,610,906 km (0.056 R)
• M9: 8,731,130 km (0.094 R)
• M10: 9,330,569 km (0.111 R)
• M11: 10,761,772 km (0.104 R)
• M12: 15,834,935 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 11.2

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.13 AU - 3.37 AU

Year: 2992 Days

Day: 7.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,726,230 km

• M1: 139,425 km (0.048 R)
• M2: 778,807 km (0.071 R)
• M3: 1,251,985 km (0.116 R)
• M4: 1,667,717 km (0.082 R)
• M5: 2,665,834 km (0.069 R)
• M6: 3,080,819 km (0.039 R)
• M7: 4,184,252 km (0.074 R)
• M8: 5,777,171 km (0.084 R)
• M9: 6,380,798 km (0.103 R)
• M10: 9,442,618 km (0.12 R)
• M11: 10,616,512 km (0.097 R)
• M12: 12,329,707 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.7

Radius: 10.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.37 AU - 3.25 AU

Year: 3090 Days

Day: 7.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,726,230 km

• M1: 131,796 km (0.118 R)
• M2: 467,942 km (0.077 R)
• M3: 824,733 km (0.069 R)
• M4: 1,363,585 km (0.071 R)
• M5: 2,091,827 km (0.079 R)
• M6: 2,606,444 km (0.061 R)
• M7: 2,954,708 km (0.047 R)
• M8: 3,587,656 km (0.053 R)
• M9: 3,946,093 km (0.035 R)
• M10: 4,798,950 km (0.063 R)
• M11: 5,280,655 km (0.107 R)
• M12: 6,138,599 km (0.104 R)
• M13: 6,895,115 km (0.1 R)
• M14: 7,654,175 km (0.08 R)
• M15: 9,986,406 km (0.102 R)
• M16: 10,920,944 km (0.11 R)
• M17: 12,030,960 km (0.116 R)
• M18: 12,552,309 km (0.111 R)
• M19: 13,298,952 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 8

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.58 AU - 3.1 AU

Year: 3140 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,726,230 km

• M1: 99,782 km (0.088 R)
• M2: 422,913 km (0.072 R)
• M3: 681,119 km (0.05 R)
• M4: 1,253,331 km (0.073 R)
• M5: 1,611,319 km (0.103 R)
• M6: 2,346,143 km (0.099 R)
• M7: 2,845,352 km (0.037 R)
• M8: 3,562,374 km (0.081 R)
• M9: 4,076,093 km (0.102 R)
• M10: 4,867,765 km (0.085 R)
• M11: 5,129,113 km (0.065 R)
• M12: 7,108,741 km (0.097 R)
• M13: 7,665,993 km (0.066 R)
• M14: 8,590,209 km (0.117 R)
• M15: 9,150,603 km (0.109 R)
• M16: 10,151,263 km (0.081 R)
• M17: 10,618,756 km (0.093 R)
• M18: 11,978,451 km (0.069 R)
• M19: 12,544,829 km (0.091 R)
• M20: 12,857,039 km (0.087 R)
• M21: 13,450,644 km (0.048 R)
• M22: 15,596,027 km (0.108 R)
• M23: 16,429,736 km (0.063 R)
• M24: 17,292,915 km (0.054 R)
• M25: 18,701,529 km (0.082 R)
• M26: 19,942,593 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.9

Radius: 9.9

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.52 AU - 5.12 AU

Year: 6942 Days

Day: 13 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,726,230 km

• M1: 123,867 km (0.106 R)
• M2: 460,612 km (0.062 R)
• M3: 871,408 km (0.059 R)
• M4: 1,389,764 km (0.086 R)
• M5: 1,857,258 km (0.11 R)
• M6: 2,445,626 km (0.038 R)
• M7: 2,863,453 km (0.068 R)
• M8: 3,819,234 km (0.108 R)
• M9: 4,465,646 km (0.045 R)
• M10: 6,280,268 km (0.077 R)
• M11: 7,068,499 km (0.087 R)
• M12: 7,682,000 km (0.094 R)
• M13: 8,711,533 km (0.073 R)
• M14: 11,042,417 km (0.074 R)
• M15: 13,586,479 km (0.04 R)
• M16: 14,840,558 km (0.114 R)
• M17: 17,646,266 km (0.067 R)
• M18: 19,137,308 km (0.055 R)
• M19: 19,652,523 km (0.098 R)
• M20: 21,647,410 km (0.116 R)
• M21: 22,126,423 km (0.042 R)
• M22: 22,612,317 km (0.12 R)
• M23: 24,541,381 km (0.108 R)
• M24: 24,887,700 km (0.109 R)
• M25: 26,036,013 km (0.115 R)
• M26: 27,870,831 km (0.063 R)
• M27: 29,108,903 km (0.091 R)
• M28: 31,694,254 km (0.039 R)
• M29: 32,311,943 km (0.111 R)
• M30: 34,645,670 km (0.082 R)
• M31: 37,890,597 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.2

Radius: 5.6

Gravity: 29.73 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.5 AU - 8.02 AU

Year: 12833 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 62,726,230 km

• M1: 69,862 km (0.076 R)
• M2: 268,678 km (0.112 R)
• M3: 520,152 km (0.12 R)
• M4: 979,866 km (0.09 R)
• M5: 1,386,922 km (0.078 R)
• M6: 2,993,005 km (0.045 R)
• M7: 3,562,374 km (0.119 R)
• M8: 3,931,133 km (0.117 R)
• M9: 4,140,121 km (0.116 R)
• M10: 4,515,612 km (0.108 R)
• M11: 5,051,322 km (0.105 R)
• M12: 5,591,071 km (0.029 R)
• M13: 7,623,059 km (0.09 R)
• M14: 9,292,571 km (0.109 R)
• M15: 9,881,089 km (0.115 R)
• M16: 13,267,985 km (0.116 R)
• M17: 13,671,301 km (0.045 R)
• M18: 13,875,950 km (0.116 R)
• M19: 14,152,108 km (0.113 R)
• M20: 15,147,383 km (0.077 R)
• M21: 16,112,738 km (0.042 R)
• M22: 17,039,497 km (0.069 R)
• M23: 18,083,091 km (0.083 R)
• M24: 20,832,401 km (0.055 R)
• M25: 21,194,578 km (0.115 R)
• M26: 23,164,931 km (0.075 R)
• M27: 23,553,736 km (0.089 R)
• M28: 25,873,550 km (0.046 R)
• M29: 28,011,005 km (0.063 R)
• M30: 32,149,779 km (0.048 R)
• M31: 32,633,429 km (0.108 R)
• M32: 35,508,850 km (0.09 R)
• M33: 36,285,712 km (0.076 R)
• M34: 38,820,947 km (0.118 R)
• M35: 39,369,223 km (0.12 R)
• M36: 39,783,908 km (0.119 R)
• M37: 41,900,868 km (0.085 R)
• M38: 45,898,721 km (0.092 R)
• M39: 49,659,462 km (0.118 R)
• M40: 58,143,456 km (0.119 R)
• M41: 61,605,151 km (0.041 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: 413 - 16,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit