🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 13.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.68 AU - 1 AU

Year: 541 Days

Day: 8.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 135.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,036,343 km

• M1: 167,849 km (0.109 R)
• M2: 700,866 km (0.096 R)
• M3: 1,360,742 km (0.109 R)
• M4: 1,874,461 km (0.055 R)
• M5: 2,427,525 km (0.076 R)
• M6: 3,799,038 km (0.104 R)
• M7: 4,222,998 km (0.083 R)
• M8: 4,757,960 km (0.082 R)
• M9: 5,817,412 km (0.046 R)
• M10: 6,966,174 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914

Radius: 14.6

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.92 AU - 1.18 AU

Year: 756 Days

Day: 8.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,036,343 km

• M1: 181,612 km (0.059 R)
• M2: 862,432 km (0.091 R)
• M3: 1,622,838 km (0.117 R)
• M4: 2,180,838 km (0.08 R)
• M5: 2,723,429 km (0.116 R)
• M6: 3,222,189 km (0.112 R)
• M7: 3,871,742 km (0.089 R)
• M8: 4,490,030 km (0.047 R)
• M9: 5,009,883 km (0.115 R)
• M10: 5,589,425 km (0.09 R)
• M11: 6,575,425 km (0.062 R)
• M12: 7,156,463 km (0.068 R)
• M13: 9,000,107 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 14.1

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.39 AU - 1.97 AU

Year: 1531 Days

Day: 14.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,036,343 km

• M1: 175,478 km (0.058 R)
• M2: 679,922 km (0.07 R)
• M3: 1,249,890 km (0.109 R)
• M4: 1,938,938 km (0.11 R)
• M5: 2,462,680 km (0.072 R)
• M6: 2,941,244 km (0.079 R)
• M7: 3,405,446 km (0.108 R)
• M8: 4,072,353 km (0.103 R)
• M9: 4,786,384 km (0.069 R)
• M10: 5,497,273 km (0.11 R)
• M11: 9,008,634 km (0.05 R)
• M12: 9,712,941 km (0.106 R)
• M13: 10,686,524 km (0.066 R)
• M14: 11,867,599 km (0.068 R)
• M15: 12,752,470 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.4

Radius: 6.1

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.92 AU - 6.46 AU

Year: 9541 Days

Day: 16.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,036,343 km

• M1: 76,145 km (0.084 R)
• M2: 335,847 km (0.099 R)
• M3: 624,721 km (0.103 R)
• M4: 904,020 km (0.094 R)
• M5: 1,621,791 km (0.079 R)
• M6: 2,012,690 km (0.12 R)
• M7: 3,126,745 km (0.093 R)
• M8: 3,454,215 km (0.096 R)
• M9: 3,901,363 km (0.09 R)
• M10: 4,126,358 km (0.093 R)
• M11: 4,493,621 km (0.111 R)
• M12: 4,882,426 km (0.117 R)
• M13: 6,150,716 km (0.112 R)
• M14: 6,456,046 km (0.085 R)
• M15: 6,771,548 km (0.032 R)
• M16: 7,170,974 km (0.078 R)
• M17: 11,051,244 km (0.119 R)
• M18: 12,443,252 km (0.103 R)
• M19: 12,987,190 km (0.104 R)
• M20: 14,534,929 km (0.06 R)
• M21: 14,834,424 km (0.1 R)
• M22: 15,632,678 km (0.11 R)
• M23: 15,947,133 km (0.112 R)
• M24: 17,786,738 km (0.057 R)
• M25: 18,060,652 km (0.107 R)
• M26: 18,616,857 km (0.109 R)
• M27: 19,617,517 km (0.108 R)
• M28: 20,205,287 km (0.118 R)
• M29: 25,509,279 km (0.111 R)
• M30: 25,857,693 km (0.119 R)
• M31: 27,922,891 km (0.101 R)
• M32: 30,778,565 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.3

Radius: 3.2

Gravity: 26.88 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.99 AU - 6.87 AU

Year: 10151 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,036,343 km

• M1: 39,793 km (0.107 R)
• M2: 175,329 km (0.077 R)
• M3: 316,848 km (0.109 R)
• M4: 564,582 km (0.096 R)
• M5: 901,178 km (0.113 R)
• M6: 1,134,101 km (0.111 R)
• M7: 1,276,219 km (0.093 R)
• M8: 1,789,490 km (0.117 R)
• M9: 2,076,418 km (0.105 R)
• M10: 3,357,275 km (0.079 R)
• M11: 4,315,899 km (0.095 R)
• M12: 4,857,742 km (0.097 R)
• M13: 5,628,171 km (0.114 R)
• M14: 7,557,236 km (0.113 R)
• M15: 9,660,582 km (0.11 R)
• M16: 12,866,763 km (0.058 R)
• M17: 16,268,918 km (0.045 R)
• M18: 16,395,777 km (0.112 R)
• M19: 18,311,677 km (0.083 R)
• M20: 22,345,434 km (0.095 R)
• M21: 25,882,825 km (0.089 R)
• M22: 28,101,960 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.9

Radius: 4.6

Gravity: 22.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.47 AU - 8.13 AU

Year: 12464 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,036,343 km

• M1: 58,343 km (0.09 R)
• M2: 209,587 km (0.113 R)
• M3: 550,819 km (0.074 R)
• M4: 1,251,685 km (0.046 R)
• M5: 1,433,148 km (0.06 R)
• M6: 1,753,885 km (0.059 R)
• M7: 2,517,732 km (0.106 R)
• M8: 3,310,451 km (0.056 R)
• M9: 3,557,437 km (0.057 R)
• M10: 5,507,146 km (0.104 R)
• M11: 7,472,713 km (0.07 R)
• M12: 9,761,560 km (0.053 R)
• M13: 10,794,982 km (0.107 R)
• M14: 11,338,023 km (0.075 R)
• M15: 13,137,535 km (0.068 R)
• M16: 14,009,242 km (0.114 R)
• M17: 14,459,233 km (0.11 R)
• M18: 15,320,617 km (0.03 R)
• M19: 16,783,236 km (0.12 R)
• M20: 16,927,149 km (0.098 R)
• M21: 18,412,656 km (0.055 R)
• M22: 18,874,763 km (0.081 R)
• M23: 26,180,226 km (0.052 R)
• M24: 34,465,704 km (0.11 R)
• M25: 34,698,478 km (0.063 R)
• M26: 38,068,021 km (0.113 R)
• M27: 38,817,356 km (0.119 R)
• M28: 39,195,689 km (0.108 R)
• M29: 39,449,407 km (0.111 R)
• M30: 41,649,244 km (0.103 R)
• M31: 42,578,396 km (0.097 R)
• M32: 48,009,397 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.5

Radius: 5.2

Gravity: 30.6 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.26 AU - 9.84 AU

Year: 20745 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,036,343 km

• M1: 64,776 km (0.113 R)
• M2: 230,680 km (0.065 R)
• M3: 486,791 km (0.079 R)
• M4: 728,392 km (0.1 R)
• M5: 1,361,041 km (0.081 R)
• M6: 1,643,931 km (0.085 R)
• M7: 2,633,371 km (0.091 R)
• M8: 3,073,638 km (0.111 R)
• M9: 3,325,860 km (0.069 R)
• M10: 3,591,695 km (0.093 R)
• M11: 4,762,747 km (0.068 R)
• M12: 5,658,539 km (0.096 R)
• M13: 6,569,890 km (0.115 R)
• M14: 7,229,317 km (0.082 R)
• M15: 7,828,905 km (0.083 R)
• M16: 8,140,817 km (0.104 R)
• M17: 12,699,064 km (0.107 R)
• M18: 13,275,465 km (0.053 R)
• M19: 15,269,305 km (0.083 R)
• M20: 18,438,386 km (0.099 R)
• M21: 24,136,270 km (0.07 R)
• M22: 30,520,359 km (0.106 R)
• M23: 36,487,220 km (0.114 R)
• M24: 37,649,595 km (0.093 R)
• M25: 39,895,059 km (0.069 R)
• M26: 40,817,779 km (0.12 R)
• M27: 44,486,667 km (0.108 R)
• M28: 45,980,102 km (0.117 R)
• M29: 51,199,722 km (0.117 R)
• M30: 54,890,451 km (0.047 R)
• M31: 61,157,854 km (0.118 R)
• M32: 61,564,760 km (0.116 R)
• M33: 69,199,786 km (0.095 R)
• M34: 70,307,708 km (0.094 R)
• M35: 74,625,701 km (0.222 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 17,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit