🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.38 AU - 0.64 AU

Year: 239 Days

Day: 34.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,532,255 km

• M1: 34,557 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 13.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.56 AU - 0.94 AU

Year: 426 Days

Day: 13 Hours

Environment

Temp: -132 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,532,255 km

• M1: 165,455 km (0.109 R)
• M2: 574,605 km (0.037 R)
• M3: 1,038,359 km (0.117 R)
• M4: 1,944,324 km (0.096 R)
• M5: 2,467,766 km (0.077 R)
• M6: 2,973,407 km (0.086 R)
• M7: 3,496,850 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.8

Radius: 8.3

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.67 AU - 0.85 AU

Year: 435 Days

Day: 5.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,532,255 km

• M1: 103,223 km (0.058 R)
• M2: 439,818 km (0.11 R)
• M3: 698,622 km (0.103 R)
• M4: 1,146,668 km (0.106 R)
• M5: 1,723,517 km (0.072 R)
• M6: 2,471,656 km (0.078 R)
• M7: 3,408,438 km (0.026 R)
• M8: 3,759,544 km (0.084 R)
• M9: 4,148,648 km (0.111 R)
• M10: 4,789,974 km (0.116 R)
• M11: 5,070,919 km (0.119 R)
• M12: 5,462,417 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 14.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.49 AU - 2.45 AU

Year: 1814 Days

Day: 8.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,532,255 km

• M1: 181,911 km (0.105 R)
• M2: 715,676 km (0.079 R)
• M3: 1,378,245 km (0.108 R)
• M4: 1,834,519 km (0.099 R)
• M5: 2,371,425 km (0.057 R)
• M6: 3,219,645 km (0.086 R)
• M7: 5,562,049 km (0.117 R)
• M8: 7,087,050 km (0.092 R)
• M9: 7,738,847 km (0.067 R)
• M10: 8,932,788 km (0.082 R)
• M11: 10,594,222 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.3

Radius: 8.7

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.16 AU - 3.3 AU

Year: 2959 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,532,255 km

• M1: 108,159 km (0.118 R)
• M2: 494,421 km (0.086 R)
• M3: 814,860 km (0.069 R)
• M4: 1,094,757 km (0.119 R)
• M5: 1,478,625 km (0.111 R)
• M6: 1,757,476 km (0.059 R)
• M7: 2,451,161 km (0.114 R)
• M8: 3,579,877 km (0.105 R)
• M9: 4,777,109 km (0.093 R)
• M10: 5,467,204 km (0.08 R)
• M11: 6,707,370 km (0.087 R)
• M12: 7,334,634 km (0.092 R)
• M13: 7,632,334 km (0.111 R)
• M14: 8,062,727 km (0.111 R)
• M15: 8,412,337 km (0.063 R)
• M16: 9,662,676 km (0.109 R)
• M17: 10,462,576 km (0.098 R)
• M18: 13,522,750 km (0.114 R)
• M19: 15,915,119 km (0.034 R)
• M20: 17,552,767 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 13.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.48 AU - 2.98 AU

Year: 2959 Days

Day: 7.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,532,255 km

• M1: 169,345 km (0.079 R)
• M2: 713,283 km (0.093 R)
• M3: 1,156,242 km (0.036 R)
• M4: 1,693,747 km (0.071 R)
• M5: 2,211,356 km (0.117 R)
• M6: 2,834,431 km (0.109 R)
• M7: 3,290,405 km (0.044 R)
• M8: 4,352,700 km (0.05 R)
• M9: 4,828,421 km (0.098 R)
• M10: 5,411,105 km (0.117 R)
• M11: 5,910,911 km (0.081 R)
• M12: 8,034,752 km (0.074 R)
• M13: 9,339,395 km (0.052 R)
• M14: 10,435,798 km (0.063 R)
• M15: 10,858,711 km (0.034 R)
• M16: 11,945,689 km (0.063 R)
• M17: 13,733,384 km (0.104 R)
• M18: 14,763,215 km (0.072 R)
• M19: 15,198,994 km (0.085 R)
• M20: 15,894,175 km (0.072 R)
• M21: 16,403,556 km (0.111 R)
• M22: 17,029,324 km (0.119 R)
• M23: 17,455,229 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.6

Radius: 4

Gravity: 54.1 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.59 AU - 7.19 AU

Year: 11864 Days

Day: 21.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,532,255 km

• M1: 49,966 km (0.115 R)
• M2: 610,509 km (0.096 R)
• M3: 841,937 km (0.099 R)
• M4: 1,023,249 km (0.047 R)
• M5: 1,191,846 km (0.103 R)
• M6: 1,351,018 km (0.096 R)
• M7: 1,524,402 km (0.08 R)
• M8: 2,495,292 km (0.111 R)
• M9: 2,623,947 km (0.093 R)
• M10: 2,848,343 km (0.09 R)
• M11: 3,012,901 km (0.081 R)
• M12: 3,183,742 km (0.062 R)
• M13: 4,348,810 km (0.045 R)
• M14: 4,631,101 km (0.102 R)
• M15: 5,624,431 km (0.115 R)
• M16: 7,173,367 km (0.108 R)
• M17: 9,916,095 km (0.086 R)
• M18: 15,476,049 km (0.049 R)
• M19: 19,112,026 km (0.09 R)
• M20: 20,906,003 km (0.119 R)
• M21: 24,237,249 km (0.027 R)
• M22: 29,426,500 km (0.12 R)
• M23: 33,832,007 km (0.087 R)
• M24: 37,735,913 km (0.06 R)
• M25: 39,593,470 km (0.117 R)
• M26: 44,793,941 km (0.097 R)
• M27: 45,087,452 km (0.117 R)
• M28: 45,234,507 km (0.108 R)
• M29: 48,399,848 km (0.112 R)
• M30: 49,174,765 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.5

Radius: 6.9

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.19 AU - 8.99 AU

Year: 15095 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,532,255 km

• M1: 85,869 km (0.099 R)
• M2: 339,886 km (0.09 R)
• M3: 1,086,829 km (0.096 R)
• M4: 1,595,312 km (0.084 R)
• M5: 2,390,574 km (0.093 R)
• M6: 3,222,488 km (0.097 R)
• M7: 3,556,540 km (0.088 R)
• M8: 3,885,057 km (0.11 R)
• M9: 4,861,332 km (0.112 R)
• M10: 6,221,925 km (0.037 R)
• M11: 6,457,990 km (0.07 R)
• M12: 7,550,504 km (0.084 R)
• M13: 9,776,969 km (0.08 R)
• M14: 10,258,824 km (0.063 R)
• M15: 10,869,033 km (0.084 R)
• M16: 11,561,971 km (0.096 R)
• M17: 13,751,485 km (0.076 R)
• M18: 15,403,494 km (0.098 R)
• M19: 15,909,285 km (0.096 R)
• M20: 17,337,795 km (0.068 R)
• M21: 18,931,760 km (0.051 R)
• M22: 23,719,191 km (0.11 R)
• M23: 25,578,992 km (0.082 R)
• M24: 27,745,319 km (0.11 R)
• M25: 29,365,613 km (0.063 R)
• M26: 32,675,167 km (0.11 R)
• M27: 35,595,617 km (0.076 R)
• M28: 35,972,603 km (0.034 R)
• M29: 39,217,381 km (0.12 R)
• M30: 41,116,975 km (0.048 R)
• M31: 41,531,959 km (0.038 R)
• M32: 44,224,871 km (0.076 R)
• M33: 47,485,955 km (0.09 R)
• M34: 51,863,487 km (0.094 R)
• M35: 53,325,657 km (0.061 R)
• M36: 57,704,087 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.6

Radius: 3.6

Gravity: 26.05 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.89 AU - 10.17 AU

Year: 16343 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,532,255 km

• M1: 53,556 km (0.108 R)
• M2: 211,531 km (0.083 R)
• M3: 935,735 km (0.081 R)
• M4: 1,259,764 km (0.115 R)
• M5: 1,504,805 km (0.116 R)
• M6: 1,797,119 km (0.066 R)
• M7: 2,237,835 km (0.081 R)
• M8: 2,473,302 km (0.052 R)
• M9: 2,970,565 km (0.108 R)
• M10: 4,546,429 km (0.091 R)
• M11: 5,187,157 km (0.115 R)
• M12: 5,958,932 km (0.109 R)
• M13: 7,553,346 km (0.054 R)
• M14: 10,391,966 km (0.115 R)
• M15: 12,797,649 km (0.114 R)
• M16: 14,794,332 km (0.091 R)
• M17: 15,066,151 km (0.116 R)
• M18: 15,341,411 km (0.118 R)
• M19: 17,287,380 km (0.047 R)
• M20: 20,800,836 km (0.066 R)
• M21: 22,544,100 km (0.092 R)
• M22: 26,918,342 km (0.083 R)
• M23: 31,265,506 km (0.114 R)
• M24: 39,207,956 km (0.12 R)
• M25: 39,467,509 km (0.113 R)
• M26: 49,748,622 km (0.118 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: 427 - 14,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit