🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 10.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.61 AU - 0.85 AU

Year: 416 Days

Day: 13.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,932,572 km

• M1: 127,457 km (0.087 R)
• M2: 448,046 km (0.04 R)
• M3: 1,011,880 km (0.089 R)
• M4: 1,547,889 km (0.119 R)
• M5: 1,937,292 km (0.117 R)
• M6: 2,383,543 km (0.094 R)
• M7: 3,067,654 km (0.118 R)
• M8: 4,392,193 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.6

Radius: 13.5

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.93 AU - 1.11 AU

Year: 687 Days

Day: 6.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,932,572 km

• M1: 167,849 km (0.052 R)
• M2: 727,794 km (0.05 R)
• M3: 1,448,257 km (0.099 R)
• M4: 1,875,509 km (0.099 R)
• M5: 2,309,642 km (0.053 R)
• M6: 2,767,112 km (0.088 R)
• M7: 3,285,618 km (0.094 R)
• M8: 4,305,576 km (0.111 R)
• M9: 4,972,633 km (0.105 R)
• M10: 7,330,744 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.7

Radius: 9.4

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.05 AU - 1.07 AU

Year: 728 Days

Day: 13.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,932,572 km

• M1: 116,836 km (0.111 R)
• M2: 432,338 km (0.087 R)
• M3: 811,269 km (0.082 R)
• M4: 1,202,468 km (0.049 R)
• M5: 1,829,881 km (0.108 R)
• M6: 2,176,799 km (0.038 R)
• M7: 2,516,236 km (0.094 R)
• M8: 3,074,535 km (0.093 R)
• M9: 3,415,020 km (0.108 R)
• M10: 3,767,174 km (0.058 R)
• M11: 4,606,717 km (0.113 R)
• M12: 5,981,072 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.1

Radius: 8.9

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.42 AU - 2.08 AU

Year: 1544 Days

Day: 9.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,932,572 km

• M1: 110,702 km (0.09 R)
• M2: 513,719 km (0.084 R)
• M3: 793,766 km (0.086 R)
• M4: 1,720,076 km (0.059 R)
• M5: 2,030,791 km (0.112 R)
• M6: 3,092,936 km (0.079 R)
• M7: 4,083,723 km (0.072 R)
• M8: 4,545,830 km (0.079 R)
• M9: 5,465,857 km (0.09 R)
• M10: 6,702,583 km (0.064 R)
• M11: 11,523,075 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.8

Radius: 13.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.39 AU - 2.17 AU

Year: 1584 Days

Day: 9.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,932,572 km

• M1: 170,542 km (0.106 R)
• M2: 603,777 km (0.112 R)
• M3: 1,055,263 km (0.107 R)
• M4: 1,554,023 km (0.089 R)
• M5: 2,271,793 km (0.117 R)
• M6: 2,848,044 km (0.08 R)
• M7: 3,808,612 km (0.061 R)
• M8: 4,431,987 km (0.084 R)
• M9: 5,427,860 km (0.095 R)
• M10: 6,026,849 km (0.075 R)
• M11: 6,876,565 km (0.115 R)
• M12: 7,607,052 km (0.06 R)
• M13: 8,418,770 km (0.057 R)
• M14: 9,191,592 km (0.116 R)
• M15: 10,249,249 km (0.074 R)
• M16: 12,139,119 km (0.043 R)
• M17: 13,207,398 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 10

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.6 AU - 3.1 AU

Year: 3208 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,932,572 km

• M1: 124,316 km (0.093 R)
• M2: 766,240 km (0.114 R)
• M3: 1,585,588 km (0.053 R)
• M4: 1,912,010 km (0.12 R)
• M5: 2,688,872 km (0.119 R)
• M6: 3,107,447 km (0.111 R)
• M7: 3,644,204 km (0.114 R)
• M8: 4,015,506 km (0.062 R)
• M9: 4,675,681 km (0.094 R)
• M10: 5,211,092 km (0.034 R)
• M11: 6,488,359 km (0.071 R)
• M12: 7,095,427 km (0.106 R)
• M13: 8,028,020 km (0.111 R)
• M14: 9,359,740 km (0.1 R)
• M15: 11,316,331 km (0.038 R)
• M16: 12,630,997 km (0.077 R)
• M17: 14,044,697 km (0.04 R)
• M18: 15,209,466 km (0.069 R)
• M19: 16,490,173 km (0.043 R)
• M20: 17,510,431 km (0.118 R)
• M21: 18,008,292 km (0.085 R)
• M22: 18,629,423 km (0.1 R)
• M23: 19,735,849 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.8

Radius: 4.4

Gravity: 51.07 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.94 AU - 8.88 AU

Year: 13451 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,932,572 km

• M1: 55,351 km (0.081 R)
• M2: 203,004 km (0.051 R)
• M3: 1,036,564 km (0.099 R)
• M4: 1,367,325 km (0.113 R)
• M5: 1,944,473 km (0.088 R)
• M6: 2,786,709 km (0.096 R)
• M7: 2,980,588 km (0.067 R)
• M8: 4,088,809 km (0.05 R)
• M9: 6,105,089 km (0.11 R)
• M10: 6,772,146 km (0.11 R)
• M11: 7,078,672 km (0.092 R)
• M12: 8,348,758 km (0.042 R)
• M13: 8,959,117 km (0.063 R)
• M14: 9,490,040 km (0.031 R)
• M15: 10,098,006 km (0.105 R)
• M16: 11,028,056 km (0.087 R)
• M17: 14,018,068 km (0.087 R)
• M18: 18,251,389 km (0.083 R)
• M19: 23,961,390 km (0.063 R)
• M20: 27,107,882 km (0.104 R)
• M21: 28,893,482 km (0.118 R)
• M22: 32,326,903 km (0.098 R)
• M23: 34,461,066 km (0.096 R)
• M24: 36,687,232 km (0.046 R)
• M25: 38,452,786 km (0.027 R)
• M26: 42,594,104 km (0.111 R)
• M27: 47,180,924 km (0.054 R)
• M28: 49,104,304 km (0.066 R)
• M29: 50,746,440 km (0.11 R)
• M30: 57,681,498 km (0.114 R)
• M31: 58,956,670 km (0.102 R)
• M32: 63,278,553 km (0.11 R)
• M33: 63,664,067 km (0.108 R)
• M34: 64,245,404 km (0.093 R)
• M35: 64,634,807 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.9

Radius: 3.2

Gravity: 55.85 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.15 AU - 11.85 AU

Year: 22689 Days

Day: 18.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,932,572 km

• M1: 39,793 km (0.082 R)
• M2: 174,431 km (0.07 R)
• M3: 318,793 km (0.065 R)
• M4: 653,593 km (0.113 R)
• M5: 869,164 km (0.117 R)
• M6: 1,213,538 km (0.09 R)
• M7: 1,573,022 km (0.072 R)
• M8: 2,185,176 km (0.119 R)
• M9: 2,382,795 km (0.098 R)
• M10: 2,713,705 km (0.097 R)
• M11: 3,466,033 km (0.106 R)
• M12: 3,921,708 km (0.09 R)
• M13: 4,415,980 km (0.109 R)
• M14: 5,024,992 km (0.118 R)
• M15: 5,408,262 km (0.089 R)
• M16: 5,687,861 km (0.06 R)
• M17: 6,407,277 km (0.117 R)
• M18: 6,765,863 km (0.068 R)
• M19: 7,671,080 km (0.112 R)
• M20: 8,024,131 km (0.11 R)
• M21: 8,126,904 km (0.112 R)
• M22: 8,546,826 km (0.05 R)
• M23: 9,373,204 km (0.1 R)
• M24: 12,579,685 km (0.111 R)
• M25: 12,718,512 km (0.068 R)
• M26: 14,014,179 km (0.117 R)
• M27: 16,037,341 km (0.058 R)
• M28: 16,447,538 km (0.113 R)
• M29: 17,203,306 km (0.09 R)
• M30: 28,511,559 km (0.097 R)
• M31: 29,845,972 km (0.102 R)
• M32: 39,030,234 km (0.056 R)
• M33: 39,473,941 km (0.083 R)
• M34: 43,302,450 km (0.054 R)
• M35: 44,096,665 km (0.036 R)
• M36: 56,634,612 km (0.11 R)
• M37: 69,169,867 km (0.114 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: 156 - 19,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit