🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.5

Radius: 14.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.6 AU - 0.74 AU

Year: 366 Days

Day: 8.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,078,622 km

• M1: 176,525 km (0.066 R)
• M2: 828,922 km (0.117 R)
• M3: 1,290,581 km (0.09 R)
• M4: 2,074,623 km (0.106 R)
• M5: 2,887,688 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.5

Radius: 14.9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.72 AU - 0.94 AU

Year: 504 Days

Day: 7.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,078,622 km

• M1: 185,352 km (0.038 R)
• M2: 662,419 km (0.109 R)
• M3: 1,177,934 km (0.117 R)
• M4: 1,783,805 km (0.07 R)
• M5: 2,345,545 km (0.076 R)
• M6: 2,810,794 km (0.07 R)
• M7: 3,673,226 km (0.096 R)
• M8: 4,277,452 km (0.105 R)
• M9: 5,046,834 km (0.075 R)
• M10: 6,018,921 km (0.081 R)
• M11: 7,239,639 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 11.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.84 AU - 1.24 AU

Year: 707 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,078,622 km

• M1: 141,819 km (0.085 R)
• M2: 497,563 km (0.095 R)
• M3: 893,548 km (0.099 R)
• M4: 1,632,861 km (0.076 R)
• M5: 2,264,912 km (0.038 R)
• M6: 2,704,281 km (0.089 R)
• M7: 3,280,981 km (0.103 R)
• M8: 3,820,879 km (0.078 R)
• M9: 4,652,195 km (0.115 R)
• M10: 5,335,408 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784

Radius: 9.5

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.42 AU - 3.44 AU

Year: 3344 Days

Day: 14.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,078,622 km

• M1: 118,182 km (0.062 R)
• M2: 446,400 km (0.115 R)
• M3: 820,544 km (0.077 R)
• M4: 1,577,360 km (0.115 R)
• M5: 2,151,965 km (0.07 R)
• M6: 2,519,677 km (0.089 R)
• M7: 4,183,654 km (0.118 R)
• M8: 4,617,189 km (0.043 R)
• M9: 5,156,489 km (0.103 R)
• M10: 5,547,987 km (0.087 R)
• M11: 6,244,514 km (0.102 R)
• M12: 7,316,084 km (0.067 R)
• M13: 7,643,703 km (0.077 R)
• M14: 8,685,952 km (0.112 R)
• M15: 9,741,664 km (0.043 R)
• M16: 13,616,997 km (0.052 R)
• M17: 14,013,431 km (0.103 R)
• M18: 15,408,880 km (0.119 R)
• M19: 15,948,479 km (0.099 R)
• M20: 16,500,645 km (0.098 R)
• M21: 17,352,755 km (0.098 R)
• M22: 17,760,409 km (0.085 R)
• M23: 18,473,841 km (0.107 R)
• M24: 20,990,825 km (0.1 R)
• M25: 22,399,738 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.8

Radius: 12.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.72 AU - 4.12 AU

Year: 4218 Days

Day: 11.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,078,622 km

• M1: 159,920 km (0.095 R)
• M2: 690,095 km (0.066 R)
• M3: 1,726,210 km (0.085 R)
• M4: 2,196,246 km (0.057 R)
• M5: 2,909,679 km (0.067 R)
• M6: 3,360,866 km (0.119 R)
• M7: 3,859,027 km (0.118 R)
• M8: 4,288,223 km (0.065 R)
• M9: 4,825,130 km (0.087 R)
• M10: 5,489,494 km (0.111 R)
• M11: 5,946,067 km (0.08 R)
• M12: 7,001,480 km (0.032 R)
• M13: 9,932,551 km (0.09 R)
• M14: 11,692,270 km (0.102 R)
• M15: 13,243,301 km (0.107 R)
• M16: 15,650,780 km (0.033 R)
• M17: 18,908,722 km (0.119 R)
• M18: 19,822,167 km (0.07 R)
• M19: 20,901,814 km (0.092 R)
• M20: 23,325,749 km (0.109 R)
• M21: 23,847,247 km (0.061 R)
• M22: 26,090,766 km (0.105 R)
• M23: 28,051,097 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.6

Radius: 5.7

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.21 AU - 6.29 AU

Year: 9195 Days

Day: 23.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,078,622 km

• M1: 70,909 km (0.075 R)
• M2: 335,398 km (0.043 R)
• M3: 587,471 km (0.089 R)
• M4: 828,174 km (0.091 R)
• M5: 1,195,437 km (0.091 R)
• M6: 1,626,278 km (0.081 R)
• M7: 2,108,432 km (0.057 R)
• M8: 2,416,903 km (0.088 R)
• M9: 3,267,965 km (0.084 R)
• M10: 3,481,591 km (0.084 R)
• M11: 4,056,645 km (0.078 R)
• M12: 4,937,478 km (0.039 R)
• M13: 6,225,964 km (0.114 R)
• M14: 6,521,570 km (0.055 R)
• M15: 6,930,271 km (0.077 R)
• M16: 8,065,270 km (0.041 R)
• M17: 9,970,100 km (0.097 R)
• M18: 10,466,465 km (0.072 R)
• M19: 11,508,415 km (0.111 R)
• M20: 11,754,653 km (0.036 R)
• M21: 11,954,067 km (0.093 R)
• M22: 12,879,629 km (0.114 R)
• M23: 14,584,147 km (0.089 R)
• M24: 15,699,997 km (0.068 R)
• M25: 20,374,781 km (0.06 R)
• M26: 24,495,455 km (0.083 R)
• M27: 24,985,088 km (0.081 R)
• M28: 26,322,493 km (0.109 R)
• M29: 28,149,233 km (0.118 R)
• M30: 32,247,766 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.2

Radius: 3.2

Gravity: 95.14 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.58 AU - 10.04 AU

Year: 17438 Days

Day: 15.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 37,078,622 km

• M1: 40,691 km (0.106 R)
• M2: 487,390 km (0.1 R)
• M3: 600,935 km (0.086 R)
• M4: 928,853 km (0.094 R)
• M5: 1,052,720 km (0.072 R)
• M6: 1,904,381 km (0.077 R)
• M7: 2,502,772 km (0.047 R)
• M8: 2,744,074 km (0.045 R)
• M9: 3,107,597 km (0.116 R)
• M10: 3,561,477 km (0.106 R)
• M11: 3,835,390 km (0.051 R)
• M12: 4,255,461 km (0.092 R)
• M13: 4,923,715 km (0.057 R)
• M14: 6,202,477 km (0.067 R)
• M15: 6,871,778 km (0.048 R)
• M16: 7,152,424 km (0.08 R)
• M17: 7,343,759 km (0.11 R)
• M18: 9,392,502 km (0.059 R)
• M19: 11,269,956 km (0.068 R)
• M20: 12,884,865 km (0.059 R)
• M21: 14,801,213 km (0.097 R)
• M22: 16,316,191 km (0.091 R)
• M23: 16,647,700 km (0.061 R)
• M24: 17,669,453 km (0.044 R)
• M25: 18,462,771 km (0.078 R)
• M26: 23,726,372 km (0.085 R)
• M27: 25,348,162 km (0.079 R)
• M28: 35,952,258 km (0.119 R)
• M29: 36,654,620 km (0.108 R)
• M30: 38,523,396 km (0.069 R)
• M31: 43,391,760 km (0.078 R)
• M32: 63,025,583 km (0.103 R)
• M33: 65,492,601 km (0.109 R)
• M34: 68,451,348 km (0.037 R)
• M35: 73,278,722 km (0.045 R)
• M36: 75,775,211 km (0.154 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.3

Radius: 3.4

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.07 AU - 10.77 AU

Year: 19280 Days

Day: 22.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,078,622 km

• M1: 42,336 km (0.088 R)
• M2: 308,471 km (0.107 R)
• M3: 436,676 km (0.102 R)
• M4: 2,557,675 km (0.035 R)
• M5: 5,249,838 km (0.055 R)
• M6: 6,271,741 km (0.108 R)
• M7: 10,690,114 km (0.059 R)
• M8: 10,884,891 km (0.076 R)
• M9: 16,236,306 km (0.093 R)
• M10: 21,142,667 km (0.074 R)
• M11: 22,867,531 km (0.08 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 15,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit