🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.2

Radius: 15

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.01 AU - 1.61 AU

Year: 1054 Days

Day: 6.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,295,337 km

• M1: 186,549 km (0.063 R)
• M2: 653,144 km (0.047 R)
• M3: 1,251,536 km (0.099 R)
• M4: 1,859,053 km (0.083 R)
• M5: 2,412,565 km (0.089 R)
• M6: 3,202,890 km (0.094 R)
• M7: 3,702,398 km (0.101 R)
• M8: 4,412,688 km (0.083 R)
• M9: 5,831,026 km (0.078 R)
• M10: 6,624,643 km (0.114 R)
• M11: 7,193,114 km (0.109 R)
• M12: 8,604,870 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 12.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.78 AU - 2.04 AU

Year: 1855 Days

Day: 6.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 57.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,295,337 km

• M1: 168,148 km (0.098 R)
• M2: 572,960 km (0.078 R)
• M3: 1,067,381 km (0.109 R)
• M4: 1,556,715 km (0.049 R)
• M5: 2,384,740 km (0.111 R)
• M6: 2,881,255 km (0.078 R)
• M7: 3,660,809 km (0.116 R)
• M8: 4,244,840 km (0.062 R)
• M9: 5,293,521 km (0.084 R)
• M10: 6,507,956 km (0.056 R)
• M11: 9,426,611 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.5

Radius: 9.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.91 AU - 2.43 AU

Year: 2247 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,295,337 km

• M1: 113,246 km (0.103 R)
• M2: 425,456 km (0.063 R)
• M3: 776,862 km (0.039 R)
• M4: 1,088,624 km (0.098 R)
• M5: 1,641,089 km (0.096 R)
• M6: 2,124,140 km (0.102 R)
• M7: 2,990,013 km (0.058 R)
• M8: 3,681,903 km (0.094 R)
• M9: 4,176,922 km (0.117 R)
• M10: 4,924,612 km (0.101 R)
• M11: 6,221,027 km (0.102 R)
• M12: 11,223,730 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.7

Radius: 13.9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.01 AU - 2.39 AU

Year: 2294 Days

Day: 7.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,295,337 km

• M1: 173,384 km (0.06 R)
• M2: 767,886 km (0.067 R)
• M3: 1,374,356 km (0.056 R)
• M4: 2,156,005 km (0.071 R)
• M5: 2,795,984 km (0.106 R)
• M6: 3,525,423 km (0.107 R)
• M7: 4,080,132 km (0.045 R)
• M8: 5,319,401 km (0.117 R)
• M9: 6,181,085 km (0.085 R)
• M10: 7,452,816 km (0.071 R)
• M11: 7,964,740 km (0.066 R)
• M12: 10,325,544 km (0.077 R)
• M13: 11,948,083 km (0.104 R)
• M14: 12,441,606 km (0.049 R)
• M15: 12,948,593 km (0.092 R)
• M16: 14,599,406 km (0.119 R)
• M17: 16,537,745 km (0.079 R)
• M18: 17,727,198 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.4

Radius: 12.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.86 AU - 2.82 AU

Year: 2516 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,295,337 km

• M1: 157,975 km (0.109 R)
• M2: 563,834 km (0.112 R)
• M3: 1,229,096 km (0.08 R)
• M4: 1,644,978 km (0.065 R)
• M5: 2,231,103 km (0.046 R)
• M6: 2,745,121 km (0.051 R)
• M7: 3,271,406 km (0.052 R)
• M8: 3,718,704 km (0.118 R)
• M9: 4,653,691 km (0.12 R)
• M10: 5,064,786 km (0.12 R)
• M11: 5,476,628 km (0.1 R)
• M12: 6,213,099 km (0.078 R)
• M13: 6,931,617 km (0.081 R)
• M14: 8,189,586 km (0.102 R)
• M15: 11,539,830 km (0.108 R)
• M16: 12,135,379 km (0.114 R)
• M17: 14,541,511 km (0.04 R)
• M18: 15,002,422 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.3

Radius: 8.2

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.52 AU - 3.88 AU

Year: 4024 Days

Day: 11.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,295,337 km

• M1: 103,223 km (0.054 R)
• M2: 405,410 km (0.094 R)
• M3: 816,206 km (0.048 R)
• M4: 1,158,636 km (0.112 R)
• M5: 1,525,599 km (0.105 R)
• M6: 1,900,791 km (0.096 R)
• M7: 2,184,279 km (0.101 R)
• M8: 3,963,446 km (0.074 R)
• M9: 4,333,850 km (0.092 R)
• M10: 4,601,930 km (0.109 R)
• M11: 5,501,162 km (0.12 R)
• M12: 5,786,894 km (0.088 R)
• M13: 6,112,419 km (0.06 R)
• M14: 6,703,780 km (0.109 R)
• M15: 7,129,835 km (0.058 R)
• M16: 11,677,011 km (0.091 R)
• M17: 12,983,599 km (0.09 R)
• M18: 14,384,733 km (0.086 R)
• M19: 15,941,598 km (0.106 R)
• M20: 16,347,756 km (0.099 R)
• M21: 18,041,653 km (0.06 R)
• M22: 19,849,393 km (0.027 R)
• M23: 20,251,961 km (0.07 R)
• M24: 20,591,549 km (0.077 R)
• M25: 21,916,836 km (0.112 R)
• M26: 22,346,930 km (0.117 R)
• M27: 23,076,220 km (0.118 R)
• M28: 24,352,289 km (0.082 R)
• M29: 27,539,173 km (0.06 R)
• M30: 27,872,477 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.2

Radius: 8.9

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.65 AU - 5.43 AU

Year: 7953 Days

Day: 14.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,295,337 km

• M1: 110,702 km (0.027 R)
• M2: 532,419 km (0.105 R)
• M3: 819,647 km (0.043 R)
• M4: 1,910,963 km (0.059 R)
• M5: 2,578,170 km (0.097 R)
• M6: 2,955,605 km (0.096 R)
• M7: 3,347,103 km (0.096 R)
• M8: 4,024,632 km (0.118 R)
• M9: 6,118,104 km (0.116 R)
• M10: 6,502,870 km (0.12 R)
• M11: 8,081,726 km (0.114 R)
• M12: 9,526,392 km (0.037 R)
• M13: 10,432,357 km (0.099 R)
• M14: 11,710,521 km (0.066 R)
• M15: 12,581,480 km (0.058 R)
• M16: 13,612,359 km (0.103 R)
• M17: 14,947,370 km (0.112 R)
• M18: 15,906,442 km (0.033 R)
• M19: 16,301,231 km (0.102 R)
• M20: 16,905,756 km (0.115 R)
• M21: 17,946,509 km (0.112 R)
• M22: 22,456,735 km (0.066 R)
• M23: 25,461,109 km (0.08 R)
• M24: 26,092,561 km (0.114 R)
• M25: 28,337,128 km (0.072 R)
• M26: 31,114,861 km (0.104 R)
• M27: 31,525,956 km (0.113 R)
• M28: 35,390,667 km (0.043 R)
• M29: 37,784,832 km (0.101 R)
• M30: 41,389,692 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.4

Radius: 14.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.87 AU - 6.23 AU

Year: 7977 Days

Day: 12.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,295,337 km

• M1: 182,210 km (0.116 R)
• M2: 648,956 km (0.113 R)
• M3: 1,203,814 km (0.056 R)
• M4: 2,110,826 km (0.056 R)
• M5: 2,652,221 km (0.109 R)
• M6: 3,732,916 km (0.092 R)
• M7: 4,195,023 km (0.102 R)
• M8: 7,634,877 km (0.101 R)
• M9: 11,082,360 km (0.092 R)
• M10: 13,285,189 km (0.105 R)
• M11: 14,967,716 km (0.046 R)
• M12: 15,455,854 km (0.092 R)
• M13: 23,458,741 km (0.101 R)
• M14: 27,060,908 km (0.026 R)
• M15: 35,235,235 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.4

Radius: 5.6

Gravity: 26.03 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.76 AU - 8.64 AU

Year: 15019 Days

Day: 22.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,295,337 km

• M1: 69,713 km (0.063 R)
• M2: 352,752 km (0.108 R)
• M3: 704,008 km (0.093 R)
• M4: 967,300 km (0.051 R)
• M5: 1,627,176 km (0.116 R)
• M6: 2,053,081 km (0.03 R)
• M7: 2,440,689 km (0.049 R)
• M8: 2,803,614 km (0.097 R)
• M9: 3,023,223 km (0.098 R)
• M10: 3,254,352 km (0.083 R)
• M11: 4,204,299 km (0.117 R)
• M12: 4,525,485 km (0.117 R)
• M13: 4,967,248 km (0.08 R)
• M14: 6,300,015 km (0.113 R)
• M15: 6,982,181 km (0.115 R)
• M16: 7,432,920 km (0.104 R)
• M17: 8,047,468 km (0.114 R)
• M18: 8,953,582 km (0.073 R)
• M19: 9,759,167 km (0.042 R)
• M20: 10,437,593 km (0.057 R)
• M21: 16,091,645 km (0.069 R)
• M22: 22,132,706 km (0.074 R)
• M23: 25,547,128 km (0.065 R)
• M24: 31,544,207 km (0.052 R)
• M25: 35,061,552 km (0.111 R)
• M26: 35,453,199 km (0.076 R)
• M27: 36,645,794 km (0.105 R)
• M28: 45,287,763 km (0.079 R)
• M29: 50,574,253 km (0.066 R)
• M30: 58,060,130 km (0.081 R)
• M31: 59,529,780 km (0.095 R)
• M32: 60,087,182 km (0.096 R)
• M33: 63,311,913 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.9

Radius: 5.7

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.38 AU - 9.16 AU

Year: 15224 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,295,337 km

• M1: 70,909 km (0.083 R)
• M2: 257,159 km (0.108 R)
• M3: 514,467 km (0.05 R)
• M4: 723,754 km (0.086 R)
• M5: 939,774 km (0.066 R)
• M6: 1,603,839 km (0.105 R)
• M7: 3,421,902 km (0.082 R)
• M8: 4,148,798 km (0.114 R)
• M9: 5,131,955 km (0.041 R)
• M10: 10,119,099 km (0.12 R)
• M11: 11,109,287 km (0.049 R)
• M12: 11,935,517 km (0.097 R)
• M13: 13,341,437 km (0.036 R)
• M14: 14,021,360 km (0.087 R)
• M15: 19,519,381 km (0.115 R)
• M16: 19,755,596 km (0.08 R)
• M17: 20,556,692 km (0.094 R)
• M18: 23,442,884 km (0.093 R)
• M19: 24,982,396 km (0.114 R)
• M20: 32,034,140 km (0.098 R)
• M21: 33,926,852 km (0.072 R)
• M22: 40,050,641 km (0.03 R)
• M23: 40,304,808 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 16,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit