🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.4

Radius: 12.8

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.06 AU - 1.76 AU

Year: 1177 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,119,754 km

• M1: 159,322 km (0.088 R)
• M2: 691,292 km (0.098 R)
• M3: 1,414,897 km (0.067 R)
• M4: 2,164,232 km (0.062 R)
• M5: 2,656,559 km (0.074 R)
• M6: 3,419,658 km (0.069 R)
• M7: 3,920,811 km (0.082 R)
• M8: 4,452,332 km (0.096 R)
• M9: 4,912,046 km (0.096 R)
• M10: 5,771,037 km (0.115 R)
• M11: 8,145,903 km (0.119 R)
• M12: 8,896,137 km (0.083 R)
• M13: 9,978,028 km (0.091 R)
• M14: 11,215,203 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.3

Radius: 8.2

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.43 AU - 1.57 AU

Year: 1291 Days

Day: 5.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,119,754 km

• M1: 102,026 km (0.032 R)
• M2: 582,983 km (0.088 R)
• M3: 1,451,997 km (0.106 R)
• M4: 2,179,192 km (0.066 R)
• M5: 2,612,428 km (0.099 R)
• M6: 2,941,094 km (0.09 R)
• M7: 3,397,966 km (0.034 R)
• M8: 3,806,518 km (0.055 R)
• M9: 5,329,424 km (0.086 R)
• M10: 6,117,506 km (0.108 R)
• M11: 7,743,784 km (0.117 R)
• M12: 9,004,595 km (0.111 R)
• M13: 9,521,904 km (0.118 R)
• M14: 10,584,498 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.6

Radius: 8.6

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.75 AU - 1.81 AU

Year: 1669 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,119,754 km

• M1: 106,962 km (0.115 R)
• M2: 380,727 km (0.117 R)
• M3: 657,782 km (0.113 R)
• M4: 957,875 km (0.086 R)
• M5: 1,265,748 km (0.064 R)
• M6: 1,552,078 km (0.103 R)
• M7: 1,937,741 km (0.058 R)
• M8: 2,360,654 km (0.093 R)
• M9: 2,727,917 km (0.06 R)
• M10: 3,086,354 km (0.112 R)
• M11: 3,990,074 km (0.11 R)
• M12: 4,845,176 km (0.107 R)
• M13: 5,769,242 km (0.109 R)
• M14: 6,362,248 km (0.058 R)
• M15: 7,962,945 km (0.036 R)
• M16: 8,355,789 km (0.06 R)
• M17: 9,344,631 km (0.034 R)
• M18: 10,022,758 km (0.069 R)
• M19: 10,696,996 km (0.071 R)
• M20: 12,860,480 km (0.097 R)
• M21: 13,871,313 km (0.045 R)
• M22: 14,618,854 km (0.063 R)
• M23: 14,934,206 km (0.112 R)
• M24: 15,392,873 km (0.037 R)
• M25: 15,860,665 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.6

Radius: 8

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.66 AU - 2.68 AU

Year: 2247 Days

Day: 11.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,119,754 km

• M1: 99,483 km (0.061 R)
• M2: 452,234 km (0.116 R)
• M3: 847,322 km (0.051 R)
• M4: 1,100,292 km (0.106 R)
• M5: 1,358,049 km (0.101 R)
• M6: 2,148,824 km (0.095 R)
• M7: 3,149,035 km (0.052 R)
• M8: 3,477,403 km (0.032 R)
• M9: 4,264,287 km (0.072 R)
• M10: 4,755,118 km (0.099 R)
• M11: 5,378,642 km (0.089 R)
• M12: 6,029,542 km (0.12 R)
• M13: 7,517,592 km (0.114 R)
• M14: 8,428,194 km (0.116 R)
• M15: 11,319,772 km (0.117 R)
• M16: 11,640,958 km (0.103 R)
• M17: 13,251,230 km (0.063 R)
• M18: 14,248,599 km (0.047 R)
• M19: 16,188,734 km (0.098 R)
• M20: 17,222,006 km (0.115 R)
• M21: 17,487,093 km (0.12 R)
• M22: 17,916,739 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.9

Radius: 10.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.02 AU - 3.18 AU

Year: 3837 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,119,754 km

• M1: 135,536 km (0.116 R)
• M2: 483,052 km (0.083 R)
• M3: 1,128,417 km (0.061 R)
• M4: 1,476,232 km (0.06 R)
• M5: 1,922,482 km (0.103 R)
• M6: 2,412,565 km (0.101 R)
• M7: 3,109,841 km (0.102 R)
• M8: 4,287,924 km (0.056 R)
• M9: 5,524,051 km (0.109 R)
• M10: 6,858,314 km (0.118 R)
• M11: 7,207,177 km (0.058 R)
• M12: 7,837,582 km (0.074 R)
• M13: 9,400,281 km (0.109 R)
• M14: 11,600,567 km (0.114 R)
• M15: 12,097,082 km (0.115 R)
• M16: 14,277,322 km (0.097 R)
• M17: 14,638,600 km (0.104 R)
• M18: 15,379,409 km (0.045 R)
• M19: 16,764,386 km (0.099 R)
• M20: 18,840,805 km (0.036 R)
• M21: 21,283,289 km (0.117 R)
• M22: 24,513,556 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.5

Radius: 12.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.07 AU - 4.43 AU

Year: 5105 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,119,754 km

• M1: 156,629 km (0.051 R)
• M2: 798,404 km (0.119 R)
• M3: 1,267,393 km (0.083 R)
• M4: 1,871,769 km (0.077 R)
• M5: 2,695,006 km (0.049 R)
• M6: 4,145,207 km (0.101 R)
• M7: 6,262,915 km (0.03 R)
• M8: 8,372,544 km (0.119 R)
• M9: 10,421,885 km (0.107 R)
• M10: 11,003,821 km (0.095 R)
• M11: 13,117,190 km (0.055 R)
• M12: 13,944,317 km (0.111 R)
• M13: 16,916,677 km (0.116 R)
• M14: 23,373,770 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.7

Radius: 4.1

Gravity: 50.9 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.5 AU - 8 AU

Year: 13722 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,119,754 km

• M1: 57,595 km (0.076 R)
• M2: 302,188 km (0.084 R)
• M3: 1,082,490 km (0.041 R)
• M4: 1,702,873 km (0.064 R)
• M5: 1,930,261 km (0.047 R)
• M6: 2,689,321 km (0.075 R)
• M7: 2,900,703 km (0.101 R)
• M8: 4,188,890 km (0.029 R)
• M9: 4,603,426 km (0.095 R)
• M10: 4,837,846 km (0.085 R)
• M11: 5,439,827 km (0.044 R)
• M12: 11,296,883 km (0.109 R)
• M13: 12,737,511 km (0.061 R)
• M14: 13,740,415 km (0.069 R)
• M15: 14,722,974 km (0.099 R)
• M16: 15,304,909 km (0.089 R)
• M17: 16,206,386 km (0.041 R)
• M18: 19,380,255 km (0.103 R)
• M19: 21,526,086 km (0.069 R)
• M20: 25,239,106 km (0.116 R)
• M21: 26,388,466 km (0.055 R)
• M22: 32,055,233 km (0.073 R)
• M23: 33,031,210 km (0.091 R)
• M24: 37,000,191 km (0.092 R)
• M25: 39,583,447 km (0.051 R)
• M26: 43,015,073 km (0.088 R)
• M27: 48,366,936 km (0.12 R)
• M28: 57,111,829 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.9

Radius: 6.3

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.69 AU - 8.25 AU

Year: 14351 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,119,754 km

• M1: 91,255 km (0.111 R)
• M2: 472,729 km (0.079 R)
• M3: 1,060,948 km (0.114 R)
• M4: 1,493,286 km (0.115 R)
• M5: 1,915,302 km (0.086 R)
• M6: 4,463,103 km (0.062 R)
• M7: 5,508,792 km (0.087 R)
• M8: 8,302,682 km (0.092 R)
• M9: 9,768,143 km (0.114 R)
• M10: 11,803,122 km (0.102 R)
• M11: 13,907,665 km (0.106 R)
• M12: 14,236,930 km (0.03 R)
• M13: 14,774,585 km (0.058 R)
• M14: 14,979,534 km (0.094 R)
• M15: 15,395,416 km (0.115 R)
• M16: 20,745,934 km (0.111 R)
• M17: 23,787,707 km (0.065 R)
• M18: 29,424,405 km (0.087 R)
• M19: 29,640,724 km (0.081 R)
• M20: 31,409,569 km (0.072 R)
• M21: 33,599,981 km (0.101 R)
• M22: 36,385,493 km (0.076 R)
• M23: 37,136,624 km (0.12 R)
• M24: 39,979,433 km (0.111 R)
• M25: 41,318,184 km (0.087 R)
• M26: 43,522,209 km (0.032 R)
• M27: 45,658,317 km (0.059 R)
• M28: 45,948,388 km (0.058 R)
• M29: 53,443,391 km (0.094 R)
• M30: 53,927,040 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.8

Radius: 5.4

Gravity: 33.09 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.97 AU - 8.01 AU

Year: 15876 Days

Day: 22.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,119,754 km

• M1: 67,169 km (0.115 R)
• M2: 426,055 km (0.111 R)
• M3: 625,618 km (0.066 R)
• M4: 921,672 km (0.053 R)
• M5: 1,603,091 km (0.096 R)
• M6: 2,099,307 km (0.065 R)
• M7: 3,253,305 km (0.106 R)
• M8: 3,504,031 km (0.102 R)
• M9: 5,288,434 km (0.115 R)
• M10: 5,997,827 km (0.081 R)
• M11: 6,548,198 km (0.068 R)
• M12: 7,224,231 km (0.072 R)
• M13: 7,748,871 km (0.114 R)
• M14: 8,045,673 km (0.088 R)
• M15: 8,820,590 km (0.092 R)
• M16: 9,253,675 km (0.081 R)
• M17: 13,738,919 km (0.113 R)
• M18: 14,394,457 km (0.074 R)
• M19: 15,147,084 km (0.099 R)
• M20: 15,455,255 km (0.112 R)
• M21: 18,420,883 km (0.087 R)
• M22: 21,550,471 km (0.042 R)
• M23: 23,753,898 km (0.077 R)
• M24: 23,961,390 km (0.065 R)
• M25: 31,257,577 km (0.032 R)
• M26: 33,940,466 km (0.098 R)
• M27: 35,270,540 km (0.092 R)
• M28: 36,773,101 km (0.038 R)
• M29: 41,386,401 km (0.057 R)
• M30: 44,300,118 km (0.092 R)
• M31: 46,857,643 km (0.057 R)
• M32: 53,500,238 km (0.066 R)
• M33: 54,936,228 km (0.08 R)
• M34: 56,397,649 km (0.094 R)
• M35: 56,767,006 km (0.118 R)
• M36: 61,326,301 km (0.056 R)
• M37: 65,510,703 km (0.034 R)
• M38: 70,950,081 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 19,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit