🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 11.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.81 AU - 1.07 AU

Year: 598 Days

Day: 12.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,684,092 km

• M1: 140,921 km (0.106 R)
• M2: 559,047 km (0.047 R)
• M3: 1,445,115 km (0.071 R)
• M4: 1,862,942 km (0.055 R)
• M5: 2,540,321 km (0.079 R)
• M6: 3,086,354 km (0.12 R)
• M7: 4,627,810 km (0.111 R)
• M8: 5,107,571 km (0.108 R)
• M9: 5,944,571 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.9

Radius: 8.9

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.01 AU - 1.17 AU

Year: 747 Days

Day: 9.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,684,092 km

• M1: 116,238 km (0.116 R)
• M2: 430,692 km (0.096 R)
• M3: 743,651 km (0.106 R)
• M4: 1,055,563 km (0.054 R)
• M5: 1,766,003 km (0.09 R)
• M6: 2,433,060 km (0.061 R)
• M7: 2,753,050 km (0.1 R)
• M8: 3,259,139 km (0.118 R)
• M9: 3,781,236 km (0.116 R)
• M10: 4,086,266 km (0.105 R)
• M11: 4,507,234 km (0.111 R)
• M12: 5,010,631 km (0.075 R)
• M13: 5,398,239 km (0.061 R)
• M14: 6,130,072 km (0.096 R)
• M15: 6,423,583 km (0.079 R)
• M16: 8,593,350 km (0.085 R)
• M17: 8,988,438 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.2

Radius: 14.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.05 AU - 1.19 AU

Year: 778 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,684,092 km

• M1: 182,809 km (0.032 R)
• M2: 739,612 km (0.038 R)
• M3: 1,351,018 km (0.115 R)
• M4: 1,907,074 km (0.093 R)
• M5: 2,792,543 km (0.119 R)
• M6: 4,335,197 km (0.102 R)
• M7: 6,607,140 km (0.083 R)
• M8: 7,194,162 km (0.115 R)
• M9: 8,473,523 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.8

Radius: 13.3

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.74 AU - 3.16 AU

Year: 3324 Days

Day: 13.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,684,092 km

• M1: 166,951 km (0.097 R)
• M2: 1,515,127 km (0.073 R)
• M3: 1,965,866 km (0.118 R)
• M4: 2,430,367 km (0.117 R)
• M5: 3,057,032 km (0.062 R)
• M6: 4,471,780 km (0.077 R)
• M7: 5,391,806 km (0.109 R)
• M8: 5,939,634 km (0.097 R)
• M9: 6,374,664 km (0.057 R)
• M10: 11,092,981 km (0.081 R)
• M11: 13,602,336 km (0.104 R)
• M12: 14,207,759 km (0.058 R)
• M13: 16,868,207 km (0.08 R)
• M14: 18,899,148 km (0.086 R)
• M15: 21,356,592 km (0.043 R)
• M16: 22,661,983 km (0.093 R)
• M17: 24,756,204 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.6

Radius: 8.9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.48 AU - 4.46 AU

Year: 5189 Days

Day: 8.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,684,092 km

• M1: 110,702 km (0.097 R)
• M2: 442,511 km (0.061 R)
• M3: 735,573 km (0.079 R)
• M4: 1,029,981 km (0.056 R)
• M5: 1,704,069 km (0.098 R)
• M6: 2,279,572 km (0.111 R)
• M7: 3,280,831 km (0.094 R)
• M8: 4,035,403 km (0.076 R)
• M9: 4,406,106 km (0.086 R)
• M10: 4,850,113 km (0.087 R)
• M11: 6,271,891 km (0.071 R)
• M12: 6,549,096 km (0.057 R)
• M13: 7,062,216 km (0.071 R)
• M14: 8,612,349 km (0.052 R)
• M15: 9,427,059 km (0.106 R)
• M16: 10,853,774 km (0.104 R)
• M17: 11,481,188 km (0.119 R)
• M18: 13,560,000 km (0.104 R)
• M19: 14,129,668 km (0.074 R)
• M20: 14,986,565 km (0.073 R)
• M21: 15,539,479 km (0.026 R)
• M22: 16,862,971 km (0.109 R)
• M23: 17,521,800 km (0.093 R)
• M24: 21,351,954 km (0.101 R)
• M25: 24,320,275 km (0.102 R)
• M26: 25,238,507 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836.1

Radius: 4.7

Gravity: 37.85 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.99 AU - 7.07 AU

Year: 10947 Days

Day: 23.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,684,092 km

• M1: 58,493 km (0.043 R)
• M2: 217,366 km (0.049 R)
• M3: 365,019 km (0.103 R)
• M4: 513,121 km (0.118 R)
• M5: 1,213,688 km (0.112 R)
• M6: 1,677,591 km (0.12 R)
• M7: 2,138,651 km (0.055 R)
• M8: 2,469,562 km (0.065 R)
• M9: 2,636,812 km (0.097 R)
• M10: 3,040,876 km (0.095 R)
• M11: 3,749,820 km (0.075 R)
• M12: 4,114,091 km (0.056 R)
• M13: 4,594,300 km (0.06 R)
• M14: 5,144,521 km (0.09 R)
• M15: 6,374,814 km (0.117 R)
• M16: 6,730,857 km (0.096 R)
• M17: 7,612,886 km (0.055 R)
• M18: 10,717,939 km (0.062 R)
• M19: 10,939,643 km (0.119 R)
• M20: 11,392,177 km (0.113 R)
• M21: 11,798,335 km (0.037 R)
• M22: 12,034,700 km (0.098 R)
• M23: 19,511,302 km (0.08 R)
• M24: 29,698,169 km (0.105 R)
• M25: 37,223,690 km (0.12 R)
• M26: 40,881,059 km (0.115 R)
• M27: 41,968,336 km (0.041 R)
• M28: 44,485,021 km (0.12 R)
• M29: 45,490,469 km (0.064 R)
• M30: 46,657,781 km (0.09 R)
• M31: 46,952,638 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.9

Radius: 4.7

Gravity: 29.01 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.16 AU - 7.92 AU

Year: 12254 Days

Day: 20.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,684,092 km

• M1: 58,493 km (0.115 R)
• M2: 366,066 km (0.078 R)
• M3: 637,287 km (0.077 R)
• M4: 856,747 km (0.12 R)
• M5: 1,056,460 km (0.105 R)
• M6: 1,506,301 km (0.081 R)
• M7: 1,848,880 km (0.087 R)
• M8: 2,687,675 km (0.103 R)
• M9: 3,215,008 km (0.106 R)
• M10: 3,754,458 km (0.066 R)
• M11: 4,003,089 km (0.099 R)
• M12: 6,290,441 km (0.096 R)
• M13: 6,923,838 km (0.101 R)
• M14: 7,340,618 km (0.083 R)
• M15: 8,835,250 km (0.103 R)
• M16: 11,468,771 km (0.098 R)
• M17: 11,699,601 km (0.096 R)
• M18: 11,874,780 km (0.111 R)
• M19: 12,350,501 km (0.104 R)
• M20: 14,921,789 km (0.062 R)
• M21: 15,757,593 km (0.089 R)
• M22: 16,187,088 km (0.051 R)
• M23: 25,408,899 km (0.103 R)
• M24: 25,604,573 km (0.06 R)
• M25: 26,497,972 km (0.095 R)
• M26: 27,412,015 km (0.098 R)
• M27: 27,824,755 km (0.11 R)
• M28: 28,241,834 km (0.107 R)
• M29: 33,224,341 km (0.103 R)
• M30: 33,693,629 km (0.098 R)
• M31: 35,492,992 km (0.106 R)
• M32: 37,355,486 km (0.112 R)
• M33: 39,938,592 km (0.077 R)
• M34: 43,471,496 km (0.113 R)
• M35: 44,741,282 km (0.064 R)
• M36: 46,181,012 km (0.071 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 11,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit