🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.3

Radius: 9.1

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.52 AU - 0.56 AU

Year: 279 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,654,375 km

• M1: 113,096 km (0.056 R)
• M2: 406,009 km (0.098 R)
• M3: 754,572 km (0.105 R)
• M4: 1,122,882 km (0.091 R)
• M5: 1,648,419 km (0.06 R)
• M6: 2,250,102 km (0.116 R)
• M7: 2,541,069 km (0.059 R)
• M8: 3,210,221 km (0.109 R)
• M9: 3,548,162 km (0.098 R)
• M10: 3,968,532 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 14.6

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.6 AU - 0.78 AU

Year: 403 Days

Day: 11.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,654,375 km

• M1: 181,612 km (0.092 R)
• M2: 840,890 km (0.066 R)
• M3: 1,469,201 km (0.053 R)
• M4: 2,378,606 km (0.053 R)
• M5: 2,864,949 km (0.093 R)
• M6: 3,346,654 km (0.085 R)
• M7: 4,002,192 km (0.087 R)
• M8: 4,652,643 km (0.041 R)
• M9: 5,162,174 km (0.028 R)
• M10: 5,708,954 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.5

Radius: 13.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.91 AU - 3.11 AU

Year: 2795 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,654,375 km

• M1: 162,912 km (0.097 R)
• M2: 746,045 km (0.052 R)
• M3: 1,365,081 km (0.097 R)
• M4: 2,208,663 km (0.082 R)
• M5: 3,859,027 km (0.113 R)
• M6: 4,388,304 km (0.065 R)
• M7: 5,543,349 km (0.098 R)
• M8: 5,979,427 km (0.087 R)
• M9: 6,577,818 km (0.104 R)
• M10: 7,156,313 km (0.089 R)
• M11: 10,153,357 km (0.072 R)
• M12: 10,887,883 km (0.057 R)
• M13: 12,857,488 km (0.051 R)
• M14: 14,091,072 km (0.065 R)
• M15: 14,907,278 km (0.091 R)
• M16: 16,424,500 km (0.11 R)
• M17: 17,220,660 km (0.118 R)
• M18: 17,820,697 km (0.058 R)
• M19: 18,890,022 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.6

Radius: 13.1

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.77 AU - 3.91 AU

Year: 5289 Days

Day: 14 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,654,375 km

• M1: 169,046 km (0.039 R)
• M2: 688,898 km (0.085 R)
• M3: 1,308,233 km (0.09 R)
• M4: 1,753,736 km (0.098 R)
• M5: 2,509,205 km (0.12 R)
• M6: 3,230,416 km (0.029 R)
• M7: 3,971,375 km (0.082 R)
• M8: 4,567,971 km (0.047 R)
• M9: 5,704,915 km (0.098 R)
• M10: 6,340,257 km (0.105 R)
• M11: 6,988,913 km (0.043 R)
• M12: 10,383,439 km (0.063 R)
• M13: 10,918,999 km (0.106 R)
• M14: 11,756,747 km (0.049 R)
• M15: 12,191,478 km (0.119 R)
• M16: 14,146,872 km (0.108 R)
• M17: 15,256,140 km (0.076 R)
• M18: 15,715,855 km (0.113 R)
• M19: 18,090,721 km (0.103 R)
• M20: 18,998,780 km (0.085 R)
• M21: 19,464,179 km (0.096 R)
• M22: 24,311,599 km (0.083 R)
• M23: 26,805,096 km (0.112 R)
• M24: 28,849,201 km (0.093 R)
• M25: 29,730,931 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.1

Radius: 13.4

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.17 AU - 4.53 AU

Year: 6377 Days

Day: 6.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,654,375 km

• M1: 173,833 km (0.065 R)
• M2: 629,059 km (0.075 R)
• M3: 1,720,525 km (0.105 R)
• M4: 2,258,778 km (0.065 R)
• M5: 2,758,435 km (0.099 R)
• M6: 4,639,928 km (0.062 R)
• M7: 5,163,969 km (0.095 R)
• M8: 6,431,212 km (0.096 R)
• M9: 8,484,742 km (0.086 R)
• M10: 10,519,872 km (0.053 R)
• M11: 10,991,853 km (0.075 R)
• M12: 13,076,799 km (0.115 R)
• M13: 16,209,677 km (0.098 R)
• M14: 16,904,260 km (0.105 R)
• M15: 17,750,835 km (0.11 R)
• M16: 19,107,986 km (0.09 R)
• M17: 20,170,580 km (0.08 R)
• M18: 21,421,966 km (0.101 R)
• M19: 23,435,254 km (0.071 R)
• M20: 26,082,688 km (0.059 R)
• M21: 26,600,446 km (0.114 R)
• M22: 29,385,360 km (0.12 R)
• M23: 30,418,782 km (0.103 R)
• M24: 31,573,528 km (0.114 R)
• M25: 32,957,458 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.6

Radius: 12.5

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.19 AU - 4.73 AU

Year: 6621 Days

Day: 9.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 74.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,654,375 km

• M1: 156,479 km (0.081 R)
• M2: 1,050,775 km (0.091 R)
• M3: 1,456,485 km (0.067 R)
• M4: 1,927,868 km (0.054 R)
• M5: 2,618,860 km (0.084 R)
• M6: 3,032,648 km (0.075 R)
• M7: 3,703,594 km (0.117 R)
• M8: 4,880,780 km (0.103 R)
• M9: 5,287,088 km (0.087 R)
• M10: 8,184,948 km (0.112 R)
• M11: 8,604,720 km (0.109 R)
• M12: 10,210,952 km (0.116 R)
• M13: 11,340,566 km (0.114 R)
• M14: 13,111,356 km (0.115 R)
• M15: 14,722,375 km (0.091 R)
• M16: 15,287,706 km (0.089 R)
• M17: 17,443,561 km (0.1 R)
• M18: 20,483,988 km (0.072 R)
• M19: 24,249,815 km (0.095 R)
• M20: 27,850,187 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.6

Radius: 8

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.26 AU - 4.96 AU

Year: 6958 Days

Day: 11.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,654,375 km

• M1: 99,483 km (0.114 R)
• M2: 863,030 km (0.086 R)
• M3: 1,245,253 km (0.113 R)
• M4: 1,805,945 km (0.116 R)
• M5: 2,097,811 km (0.096 R)
• M6: 2,353,922 km (0.092 R)
• M7: 2,815,432 km (0.101 R)
• M8: 4,111,548 km (0.062 R)
• M9: 4,541,941 km (0.113 R)
• M10: 5,200,471 km (0.119 R)
• M11: 6,305,401 km (0.088 R)
• M12: 8,206,191 km (0.08 R)
• M13: 9,436,634 km (0.114 R)
• M14: 10,552,484 km (0.059 R)
• M15: 11,654,422 km (0.037 R)
• M16: 14,029,139 km (0.11 R)
• M17: 14,368,427 km (0.088 R)
• M18: 16,457,860 km (0.066 R)
• M19: 18,878,503 km (0.091 R)
• M20: 30,091,013 km (0.105 R)
• M21: 31,806,153 km (0.044 R)
• M22: 33,585,620 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.3

Radius: 7.3

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.66 AU - 7.2 AU

Year: 10151 Days

Day: 22.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,654,375 km

• M1: 90,806 km (0.103 R)
• M2: 329,115 km (0.086 R)
• M3: 569,369 km (0.111 R)
• M4: 1,221,766 km (0.054 R)
• M5: 1,507,199 km (0.093 R)
• M6: 1,808,788 km (0.087 R)
• M7: 2,182,184 km (0.085 R)
• M8: 2,430,367 km (0.067 R)
• M9: 4,788,777 km (0.067 R)
• M10: 5,210,494 km (0.09 R)
• M11: 5,748,897 km (0.117 R)
• M12: 6,095,964 km (0.062 R)
• M13: 6,456,794 km (0.104 R)
• M14: 7,221,388 km (0.114 R)
• M15: 9,266,541 km (0.114 R)
• M16: 10,192,253 km (0.103 R)
• M17: 10,795,282 km (0.062 R)
• M18: 17,730,190 km (0.088 R)
• M19: 18,738,480 km (0.111 R)
• M20: 22,841,800 km (0.106 R)
• M21: 24,523,579 km (0.096 R)
• M22: 24,770,266 km (0.094 R)
• M23: 25,520,649 km (0.116 R)
• M24: 25,858,890 km (0.093 R)
• M25: 32,176,258 km (0.066 R)
• M26: 32,769,713 km (0.048 R)
• M27: 33,978,763 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834

Radius: 3.3

Gravity: 76.58 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.94 AU - 6.14 AU

Year: 10434 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,654,375 km

• M1: 58,343 km (0.094 R)
• M2: 182,360 km (0.107 R)
• M3: 1,897,649 km (0.058 R)
• M4: 2,578,469 km (0.06 R)
• M5: 2,973,856 km (0.088 R)
• M6: 4,341,929 km (0.094 R)
• M7: 6,938,499 km (0.077 R)
• M8: 8,188,389 km (0.11 R)
• M9: 9,133,100 km (0.096 R)
• M10: 11,012,348 km (0.098 R)
• M11: 11,519,485 km (0.11 R)
• M12: 11,983,238 km (0.032 R)
• M13: 13,704,362 km (0.119 R)
• M14: 15,374,323 km (0.05 R)
• M15: 17,249,981 km (0.116 R)
• M16: 19,842,961 km (0.059 R)
• M17: 21,796,260 km (0.116 R)
• M18: 25,104,916 km (0.111 R)
• M19: 30,451,993 km (0.111 R)
• M20: 33,740,154 km (0.084 R)
• M21: 35,530,093 km (0.114 R)
• M22: 38,396,089 km (0.044 R)
• M23: 39,688,913 km (0.082 R)
• M24: 51,712,992 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 13,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit