🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.8

Radius: 9.4

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.58 AU - 0.74 AU

Year: 358 Days

Day: 7.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,338,204 km

• M1: 116,986 km (0.05 R)
• M2: 489,634 km (0.112 R)
• M3: 1,041,351 km (0.09 R)
• M4: 1,563,148 km (0.074 R)
• M5: 1,896,303 km (0.059 R)
• M6: 2,388,629 km (0.095 R)
• M7: 2,708,320 km (0.116 R)
• M8: 3,595,136 km (0.103 R)
• M9: 3,893,434 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.1

Radius: 12.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.99 AU - 1.25 AU

Year: 790 Days

Day: 7.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,338,204 km

• M1: 152,141 km (0.112 R)
• M2: 614,099 km (0.028 R)
• M3: 1,036,115 km (0.098 R)
• M4: 1,419,235 km (0.083 R)
• M5: 1,890,468 km (0.111 R)
• M6: 2,498,733 km (0.039 R)
• M7: 2,892,325 km (0.042 R)
• M8: 3,463,939 km (0.076 R)
• M9: 4,235,864 km (0.104 R)
• M10: 4,887,512 km (0.11 R)
• M11: 5,339,597 km (0.116 R)
• M12: 6,060,359 km (0.12 R)
• M13: 6,604,746 km (0.108 R)
• M14: 7,113,379 km (0.103 R)
• M15: 7,648,042 km (0.12 R)
• M16: 8,060,483 km (0.104 R)
• M17: 9,062,938 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.2

Radius: 10.4

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.2 AU - 1.8 AU

Year: 1225 Days

Day: 5.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 168.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,338,204 km

• M1: 129,552 km (0.073 R)
• M2: 525,388 km (0.078 R)
• M3: 865,723 km (0.119 R)
• M4: 1,198,728 km (0.095 R)
• M5: 1,792,781 km (0.081 R)
• M6: 3,325,710 km (0.092 R)
• M7: 3,883,411 km (0.101 R)
• M8: 4,693,633 km (0.08 R)
• M9: 5,262,105 km (0.114 R)
• M10: 5,958,334 km (0.119 R)
• M11: 6,514,538 km (0.054 R)
• M12: 6,896,611 km (0.108 R)
• M13: 7,930,632 km (0.108 R)
• M14: 9,541,801 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.9

Radius: 8.4

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.87 AU - 2.51 AU

Year: 2161 Days

Day: 13.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,338,204 km

• M1: 104,569 km (0.094 R)
• M2: 538,552 km (0.057 R)
• M3: 803,341 km (0.078 R)
• M4: 1,236,875 km (0.106 R)
• M5: 1,939,237 km (0.109 R)
• M6: 2,549,297 km (0.11 R)
• M7: 3,171,176 km (0.095 R)
• M8: 3,679,509 km (0.094 R)
• M9: 3,998,901 km (0.046 R)
• M10: 4,317,544 km (0.112 R)
• M11: 5,421,576 km (0.1 R)
• M12: 6,124,537 km (0.089 R)
• M13: 8,235,812 km (0.098 R)
• M14: 8,753,420 km (0.062 R)
• M15: 9,954,841 km (0.097 R)
• M16: 11,299,576 km (0.112 R)
• M17: 11,900,511 km (0.101 R)
• M18: 12,170,086 km (0.118 R)
• M19: 13,043,887 km (0.115 R)
• M20: 14,001,463 km (0.075 R)
• M21: 14,738,831 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.1

Radius: 11.2

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.84 AU - 2.86 AU

Year: 2402 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,338,204 km

• M1: 139,276 km (0.118 R)
• M2: 1,096,852 km (0.064 R)
• M3: 1,448,855 km (0.053 R)
• M4: 2,391,920 km (0.116 R)
• M5: 2,953,960 km (0.034 R)
• M6: 3,354,732 km (0.104 R)
• M7: 3,704,941 km (0.06 R)
• M8: 4,135,184 km (0.072 R)
• M9: 4,499,455 km (0.057 R)
• M10: 5,630,864 km (0.097 R)
• M11: 6,226,563 km (0.059 R)
• M12: 6,811,041 km (0.06 R)
• M13: 7,376,521 km (0.035 R)
• M14: 8,479,207 km (0.094 R)
• M15: 8,943,559 km (0.098 R)
• M16: 10,544,855 km (0.062 R)
• M17: 12,447,141 km (0.107 R)
• M18: 13,047,777 km (0.076 R)
• M19: 14,524,457 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.5

Radius: 9.8

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.51 AU - 3.83 AU

Year: 3764 Days

Day: 11 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,338,204 km

• M1: 122,521 km (0.08 R)
• M2: 430,243 km (0.078 R)
• M3: 811,120 km (0.05 R)
• M4: 1,145,770 km (0.089 R)
• M5: 1,501,215 km (0.089 R)
• M6: 1,809,835 km (0.117 R)
• M7: 2,161,540 km (0.045 R)
• M8: 4,033,159 km (0.052 R)
• M9: 5,532,428 km (0.09 R)
• M10: 7,592,990 km (0.087 R)
• M11: 8,246,134 km (0.089 R)
• M12: 9,331,915 km (0.078 R)
• M13: 10,081,401 km (0.114 R)
• M14: 11,321,716 km (0.082 R)
• M15: 12,305,472 km (0.106 R)
• M16: 12,886,361 km (0.054 R)
• M17: 15,038,775 km (0.059 R)
• M18: 16,121,115 km (0.088 R)
• M19: 17,144,365 km (0.071 R)
• M20: 18,095,957 km (0.109 R)
• M21: 19,023,613 km (0.051 R)
• M22: 20,660,214 km (0.096 R)
• M23: 21,225,993 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325

Radius: 3.8

Gravity: 22.51 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.57 AU - 8.09 AU

Year: 14611 Days

Day: 18.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,338,204 km

• M1: 47,572 km (0.049 R)
• M2: 309,368 km (0.11 R)
• M3: 1,025,643 km (0.064 R)
• M4: 1,623,137 km (0.104 R)
• M5: 1,775,428 km (0.094 R)
• M6: 2,253,692 km (0.098 R)
• M7: 2,624,096 km (0.097 R)
• M8: 2,813,038 km (0.12 R)
• M9: 2,943,936 km (0.034 R)
• M10: 3,148,138 km (0.067 R)
• M11: 3,844,067 km (0.112 R)
• M12: 5,432,347 km (0.072 R)
• M13: 6,731,306 km (0.091 R)
• M14: 7,746,627 km (0.099 R)
• M15: 8,813,259 km (0.09 R)
• M16: 10,909,126 km (0.083 R)
• M17: 11,731,615 km (0.05 R)
• M18: 12,891,597 km (0.111 R)
• M19: 15,504,174 km (0.088 R)
• M20: 16,612,844 km (0.085 R)
• M21: 19,692,765 km (0.067 R)
• M22: 21,408,502 km (0.079 R)
• M23: 22,868,279 km (0.081 R)
• M24: 28,448,578 km (0.084 R)
• M25: 31,823,805 km (0.109 R)
• M26: 39,735,438 km (0.118 R)
• M27: 44,482,628 km (0.099 R)
• M28: 46,850,313 km (0.081 R)
• M29: 47,705,564 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.9

Radius: 4.2

Gravity: 15.36 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.03 AU - 8.07 AU

Year: 15231 Days

Day: 24 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,338,204 km

• M1: 53,406 km (0.049 R)
• M2: 276,756 km (0.102 R)
• M3: 413,339 km (0.102 R)
• M4: 2,408,825 km (0.056 R)
• M5: 2,645,489 km (0.09 R)
• M6: 3,829,107 km (0.11 R)
• M7: 5,327,031 km (0.088 R)
• M8: 5,492,187 km (0.061 R)
• M9: 6,296,425 km (0.034 R)
• M10: 7,377,868 km (0.091 R)
• M11: 10,979,736 km (0.033 R)
• M12: 11,139,955 km (0.055 R)
• M13: 11,629,888 km (0.104 R)
• M14: 13,185,706 km (0.038 R)
• M15: 13,610,564 km (0.079 R)
• M16: 14,107,378 km (0.06 R)
• M17: 16,215,661 km (0.072 R)
• M18: 16,986,389 km (0.115 R)
• M19: 17,781,203 km (0.083 R)
• M20: 18,076,210 km (0.111 R)
• M21: 19,057,722 km (0.095 R)
• M22: 20,636,428 km (0.078 R)
• M23: 24,411,979 km (0.097 R)
• M24: 32,409,332 km (0.109 R)
• M25: 34,194,184 km (0.069 R)
• M26: 38,447,401 km (0.104 R)
• M27: 38,693,489 km (0.097 R)
• M28: 39,438,187 km (0.076 R)
• M29: 39,939,939 km (0.091 R)
• M30: 41,341,521 km (0.109 R)
• M31: 43,172,599 km (0.116 R)
• M32: 44,512,996 km (0.095 R)
• M33: 45,880,919 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.9

Radius: 4.5

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.68 AU - 9.88 AU

Year: 20396 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,338,204 km

• M1: 55,950 km (0.059 R)
• M2: 218,114 km (0.094 R)
• M3: 422,464 km (0.101 R)
• M4: 610,659 km (0.11 R)
• M5: 1,312,572 km (0.078 R)
• M6: 1,551,031 km (0.062 R)
• M7: 2,484,521 km (0.075 R)
• M8: 2,783,268 km (0.117 R)
• M9: 3,530,061 km (0.035 R)
• M10: 3,852,145 km (0.079 R)
• M11: 4,711,585 km (0.1 R)
• M12: 5,270,931 km (0.025 R)
• M13: 5,764,006 km (0.074 R)
• M14: 7,088,396 km (0.092 R)
• M15: 8,183,153 km (0.091 R)
• M16: 11,204,432 km (0.057 R)
• M17: 11,432,718 km (0.108 R)
• M18: 13,118,536 km (0.038 R)
• M19: 17,810,823 km (0.071 R)
• M20: 19,731,510 km (0.039 R)
• M21: 22,591,822 km (0.088 R)
• M22: 22,773,583 km (0.118 R)
• M23: 27,744,421 km (0.09 R)
• M24: 33,274,456 km (0.098 R)
• M25: 33,983,849 km (0.081 R)
• M26: 42,049,867 km (0.1 R)
• M27: 42,878,639 km (0.113 R)
• M28: 49,597,828 km (0.108 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: 188 - 19,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit