🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.5

Radius: 12.7

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.96 AU - 1.34 AU

Year: 836 Days

Day: 6.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,621,382 km

• M1: 157,975 km (0.115 R)
• M2: 599,887 km (0.059 R)
• M3: 1,031,328 km (0.058 R)
• M4: 1,713,644 km (0.076 R)
• M5: 2,138,352 km (0.062 R)
• M6: 2,968,022 km (0.111 R)
• M7: 3,708,082 km (0.106 R)
• M8: 4,726,395 km (0.079 R)
• M9: 5,596,157 km (0.107 R)
• M10: 6,133,513 km (0.102 R)
• M11: 6,704,977 km (0.098 R)
• M12: 7,579,526 km (0.08 R)
• M13: 9,101,534 km (0.11 R)
• M14: 9,671,054 km (0.093 R)
• M15: 10,113,714 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 12.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.43 AU - 2.13 AU

Year: 1611 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,621,382 km

• M1: 161,267 km (0.092 R)
• M2: 622,178 km (0.042 R)
• M3: 1,068,129 km (0.074 R)
• M4: 1,803,552 km (0.101 R)
• M5: 2,559,171 km (0.107 R)
• M6: 3,503,582 km (0.06 R)
• M7: 5,179,826 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.2

Radius: 14.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.91 AU - 3.93 AU

Year: 4290 Days

Day: 14 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,621,382 km

• M1: 184,155 km (0.051 R)
• M2: 1,387,969 km (0.116 R)
• M3: 1,887,028 km (0.118 R)
• M4: 3,117,171 km (0.101 R)
• M5: 4,940,619 km (0.091 R)
• M6: 5,491,738 km (0.096 R)
• M7: 8,058,089 km (0.109 R)
• M8: 8,596,193 km (0.066 R)
• M9: 12,722,850 km (0.077 R)
• M10: 13,674,741 km (0.104 R)
• M11: 14,396,401 km (0.082 R)
• M12: 16,163,152 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.9

Radius: 12.7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.49 AU - 4.09 AU

Year: 5004 Days

Day: 14.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,621,382 km

• M1: 158,275 km (0.112 R)
• M2: 765,193 km (0.027 R)
• M3: 1,676,693 km (0.074 R)
• M4: 2,335,821 km (0.061 R)
• M5: 3,200,646 km (0.095 R)
• M6: 4,859,687 km (0.063 R)
• M7: 5,819,357 km (0.092 R)
• M8: 7,824,567 km (0.097 R)
• M9: 8,522,142 km (0.069 R)
• M10: 10,645,235 km (0.108 R)
• M11: 12,453,873 km (0.072 R)
• M12: 13,252,427 km (0.086 R)
• M13: 15,567,753 km (0.119 R)
• M14: 16,376,629 km (0.106 R)
• M15: 22,843,894 km (0.116 R)
• M16: 27,296,226 km (0.04 R)
• M17: 28,302,421 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.9

Radius: 3

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.14 AU - 7.02 AU

Year: 10168 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 16,621,382 km

• M1: 38,447 km (0.096 R)
• M2: 205,398 km (0.102 R)
• M3: 318,793 km (0.111 R)
• M4: 449,841 km (0.07 R)
• M5: 598,541 km (0.114 R)
• M6: 1,108,520 km (0.096 R)
• M7: 2,101,551 km (0.078 R)
• M8: 2,534,038 km (0.088 R)
• M9: 3,473,064 km (0.108 R)
• M10: 3,714,066 km (0.104 R)
• M11: 3,923,204 km (0.106 R)
• M12: 4,140,271 km (0.082 R)
• M13: 5,243,106 km (0.071 R)
• M14: 6,378,853 km (0.114 R)
• M15: 7,339,421 km (0.095 R)
• M16: 7,939,309 km (0.025 R)
• M17: 8,535,157 km (0.104 R)
• M18: 9,736,727 km (0.074 R)
• M19: 10,336,914 km (0.112 R)
• M20: 11,788,013 km (0.111 R)
• M21: 12,012,260 km (0.119 R)
• M22: 13,032,817 km (0.117 R)
• M23: 13,662,325 km (0.036 R)
• M24: 15,564,611 km (0.106 R)
• M25: 15,997,847 km (0.06 R)
• M26: 16,494,811 km (0.117 R)
• M27: 18,767,950 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.3

Radius: 3.7

Gravity: 55.98 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.17 AU - 6.65 AU

Year: 11007 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 16,621,382 km

• M1: 157,227 km (0.062 R)
• M2: 495,917 km (0.099 R)
• M3: 854,353 km (0.029 R)
• M4: 1,160,281 km (0.105 R)
• M5: 2,299,020 km (0.081 R)
• M6: 2,841,013 km (0.095 R)
• M7: 3,023,672 km (0.108 R)
• M8: 3,387,345 km (0.083 R)
• M9: 3,645,700 km (0.108 R)
• M10: 4,408,649 km (0.096 R)
• M11: 4,622,574 km (0.079 R)
• M12: 5,409,309 km (0.105 R)
• M13: 6,018,023 km (0.098 R)
• M14: 8,672,937 km (0.109 R)
• M15: 9,403,722 km (0.085 R)
• M16: 9,861,342 km (0.102 R)
• M17: 10,875,915 km (0.083 R)
• M18: 11,958,106 km (0.114 R)
• M19: 12,135,379 km (0.098 R)
• M20: 13,235,522 km (0.059 R)
• M21: 13,874,754 km (0.09 R)
• M22: 15,145,288 km (0.116 R)
• M23: 15,492,056 km (0.084 R)
• M24: 16,201,599 km (0.083 R)
• M25: 18,538,467 km (0.086 R)
• M26: 20,159,809 km (0.097 R)
• M27: 20,748,925 km (0.096 R)
• M28: 21,262,794 km (0.059 R)
• M29: 23,867,293 km (0.116 R)
• M30: 26,979,078 km (0.111 R)
• M31: 31,012,835 km (0.042 R)
• M32: 33,056,492 km (0.116 R)
• M33: 36,287,507 km (0.064 R)
• M34: 39,461,076 km (0.107 R)
• M35: 40,514,544 km (0.038 R)
• M36: 46,790,923 km (0.112 R)
• M37: 47,378,244 km (0.067 R)
• M38: 47,673,700 km (0.081 R)
• M39: 51,161,125 km (0.063 R)
• M40: 52,887,485 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.9

Radius: 5.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.82 AU - 6.98 AU

Year: 12293 Days

Day: 19.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,621,382 km

• M1: 138,677 km (0.089 R)
• M2: 440,566 km (0.083 R)
• M3: 1,017,714 km (0.078 R)
• M4: 1,273,227 km (0.042 R)
• M5: 1,938,040 km (0.035 R)
• M6: 2,635,914 km (0.107 R)
• M7: 3,058,080 km (0.085 R)
• M8: 4,576,049 km (0.113 R)
• M9: 4,983,853 km (0.067 R)
• M10: 5,822,648 km (0.036 R)
• M11: 6,353,422 km (0.07 R)
• M12: 8,263,188 km (0.081 R)
• M13: 9,535,368 km (0.116 R)
• M14: 10,200,032 km (0.082 R)
• M15: 13,383,923 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 12,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit