🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 8.5

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.81 AU - 0.89 AU

Year: 541 Days

Day: 5.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,709,571 km

• M1: 109,954 km (0.096 R)
• M2: 396,584 km (0.046 R)
• M3: 661,821 km (0.101 R)
• M4: 953,836 km (0.091 R)
• M5: 1,364,482 km (0.061 R)
• M6: 1,682,826 km (0.092 R)
• M7: 2,440,988 km (0.084 R)
• M8: 2,784,615 km (0.054 R)
• M9: 3,151,130 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.1

Radius: 12.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.94 AU - 1.32 AU

Year: 829 Days

Day: 8.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,709,571 km

• M1: 159,471 km (0.081 R)
• M2: 761,902 km (0.097 R)
• M3: 1,228,947 km (0.033 R)
• M4: 2,004,013 km (0.04 R)
• M5: 2,814,385 km (0.057 R)
• M6: 3,372,983 km (0.035 R)
• M7: 3,975,713 km (0.049 R)
• M8: 4,396,083 km (0.041 R)
• M9: 4,929,848 km (0.073 R)
• M10: 5,597,952 km (0.09 R)
• M11: 7,489,617 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.5

Radius: 8.1

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.14 AU - 1.4 AU

Year: 988 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,709,571 km

• M1: 101,128 km (0.118 R)
• M2: 370,255 km (0.101 R)
• M3: 666,309 km (0.116 R)
• M4: 933,940 km (0.025 R)
• M5: 1,351,168 km (0.095 R)
• M6: 2,245,763 km (0.089 R)
• M7: 3,014,098 km (0.115 R)
• M8: 3,737,104 km (0.117 R)
• M9: 4,097,186 km (0.065 R)
• M10: 4,868,214 km (0.076 R)
• M11: 5,298,308 km (0.115 R)
• M12: 5,860,796 km (0.067 R)
• M13: 6,123,190 km (0.088 R)
• M14: 6,531,593 km (0.087 R)
• M15: 7,893,083 km (0.118 R)
• M16: 8,432,234 km (0.097 R)
• M17: 8,795,607 km (0.095 R)
• M18: 10,902,394 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.5

Radius: 14.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.07 AU - 2.19 AU

Year: 2146 Days

Day: 9.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,709,571 km

• M1: 185,352 km (0.091 R)
• M2: 720,015 km (0.065 R)
• M3: 1,548,488 km (0.102 R)
• M4: 5,316,260 km (0.086 R)
• M5: 6,108,380 km (0.073 R)
• M6: 6,670,868 km (0.1 R)
• M7: 8,660,071 km (0.112 R)
• M8: 9,213,882 km (0.097 R)
• M9: 10,257,178 km (0.102 R)
• M10: 12,118,924 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.7

Radius: 10.9

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.29 AU - 3.51 AU

Year: 3409 Days

Day: 5.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,709,571 km

• M1: 139,724 km (0.104 R)
• M2: 512,822 km (0.104 R)
• M3: 1,080,396 km (0.084 R)
• M4: 1,977,833 km (0.059 R)
• M5: 2,327,444 km (0.108 R)
• M6: 3,118,966 km (0.102 R)
• M7: 4,060,086 km (0.03 R)
• M8: 4,770,826 km (0.085 R)
• M9: 5,331,219 km (0.039 R)
• M10: 6,439,291 km (0.096 R)
• M11: 7,957,560 km (0.06 R)
• M12: 8,997,714 km (0.118 R)
• M13: 9,663,873 km (0.099 R)
• M14: 11,559,128 km (0.071 R)
• M15: 13,404,568 km (0.034 R)
• M16: 15,595,428 km (0.105 R)
• M17: 19,133,418 km (0.077 R)
• M18: 20,992,620 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.6

Radius: 12.5

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.73 AU - 4.17 AU

Year: 4423 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,709,571 km

• M1: 157,078 km (0.079 R)
• M2: 997,219 km (0.088 R)
• M3: 1,666,670 km (0.081 R)
• M4: 2,557,226 km (0.055 R)
• M5: 3,613,237 km (0.104 R)
• M6: 4,629,007 km (0.062 R)
• M7: 5,121,932 km (0.118 R)
• M8: 9,839,650 km (0.062 R)
• M9: 10,391,367 km (0.107 R)
• M10: 10,997,987 km (0.098 R)
• M11: 11,663,847 km (0.117 R)
• M12: 12,097,980 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 14.5

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.08 AU - 5.02 AU

Year: 6699 Days

Day: 11.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,709,571 km

• M1: 180,565 km (0.108 R)
• M2: 854,054 km (0.078 R)
• M3: 1,358,349 km (0.092 R)
• M4: 1,928,017 km (0.093 R)
• M5: 2,871,232 km (0.052 R)
• M6: 3,381,211 km (0.093 R)
• M7: 4,558,846 km (0.102 R)
• M8: 5,570,277 km (0.044 R)
• M9: 7,323,564 km (0.027 R)
• M10: 13,337,398 km (0.076 R)
• M11: 15,082,757 km (0.041 R)
• M12: 15,977,950 km (0.086 R)
• M13: 17,044,134 km (0.103 R)
• M14: 20,221,144 km (0.072 R)
• M15: 20,760,594 km (0.088 R)
• M16: 23,015,483 km (0.118 R)
• M17: 26,974,890 km (0.089 R)
• M18: 27,723,477 km (0.084 R)
• M19: 29,655,683 km (0.116 R)
• M20: 32,195,257 km (0.101 R)
• M21: 34,220,064 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.2

Radius: 3.4

Gravity: 54 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.02 AU - 6.1 AU

Year: 9049 Days

Day: 19.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,709,571 km

• M1: 45,328 km (0.069 R)
• M2: 151,543 km (0.115 R)
• M3: 461,958 km (0.099 R)
• M4: 606,021 km (0.089 R)
• M5: 712,834 km (0.12 R)
• M6: 841,488 km (0.066 R)
• M7: 1,146,069 km (0.113 R)
• M8: 1,361,490 km (0.118 R)
• M9: 1,675,197 km (0.05 R)
• M10: 2,540,321 km (0.05 R)
• M11: 2,719,091 km (0.089 R)
• M12: 3,102,061 km (0.095 R)
• M13: 3,519,739 km (0.101 R)
• M14: 3,742,191 km (0.087 R)
• M15: 4,215,219 km (0.069 R)
• M16: 5,183,716 km (0.073 R)
• M17: 5,636,100 km (0.107 R)
• M18: 6,079,358 km (0.073 R)
• M19: 8,473,223 km (0.107 R)
• M20: 9,377,393 km (0.096 R)
• M21: 12,136,426 km (0.107 R)
• M22: 13,164,463 km (0.057 R)
• M23: 16,594,293 km (0.109 R)
• M24: 17,643,124 km (0.063 R)
• M25: 18,220,123 km (0.076 R)
• M26: 19,487,965 km (0.05 R)
• M27: 19,949,026 km (0.114 R)
• M28: 23,990,861 km (0.116 R)
• M29: 24,788,068 km (0.116 R)
• M30: 27,000,022 km (0.111 R)
• M31: 27,190,161 km (0.12 R)
• M32: 28,251,558 km (0.109 R)
• M33: 28,644,252 km (0.052 R)
• M34: 30,456,481 km (0.115 R)
• M35: 31,390,720 km (0.107 R)
• M36: 32,236,845 km (0.096 R)
• M37: 33,315,895 km (0.118 R)
• M38: 36,118,461 km (0.101 R)
• M39: 39,317,312 km (0.08 R)
• M40: 43,346,881 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.4

Radius: 4.4

Gravity: 29.51 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.5 AU - 7.36 AU

Year: 9968 Days

Day: 23.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,709,571 km

• M1: 54,753 km (0.115 R)
• M2: 228,735 km (0.068 R)
• M3: 409,150 km (0.084 R)
• M4: 660,923 km (0.104 R)
• M5: 1,052,571 km (0.119 R)
• M6: 1,806,693 km (0.114 R)
• M7: 2,407,179 km (0.111 R)
• M8: 2,601,058 km (0.109 R)
• M9: 4,605,370 km (0.118 R)
• M10: 4,904,716 km (0.049 R)
• M11: 5,950,106 km (0.106 R)
• M12: 6,090,429 km (0.073 R)
• M13: 6,341,304 km (0.104 R)
• M14: 6,674,159 km (0.106 R)
• M15: 7,254,450 km (0.118 R)
• M16: 8,036,996 km (0.064 R)
• M17: 8,648,552 km (0.083 R)
• M18: 9,290,477 km (0.068 R)
• M19: 10,362,645 km (0.044 R)
• M20: 13,823,591 km (0.073 R)
• M21: 14,699,487 km (0.055 R)
• M22: 15,151,123 km (0.11 R)
• M23: 17,050,118 km (0.116 R)
• M24: 17,548,578 km (0.114 R)
• M25: 19,026,156 km (0.113 R)
• M26: 22,906,875 km (0.08 R)
• M27: 26,235,128 km (0.12 R)
• M28: 27,090,828 km (0.062 R)
• M29: 29,565,177 km (0.111 R)
• M30: 30,387,815 km (0.115 R)
• M31: 31,225,414 km (0.047 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.4

Radius: 3.9

Gravity: 32.64 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.17 AU - 9.97 AU

Year: 18855 Days

Day: 20.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,709,571 km

• M1: 50,115 km (0.066 R)
• M2: 199,564 km (0.11 R)
• M3: 338,091 km (0.097 R)
• M4: 816,505 km (0.076 R)
• M5: 1,014,124 km (0.108 R)
• M6: 1,298,360 km (0.113 R)
• M7: 3,111,935 km (0.097 R)
• M8: 3,428,634 km (0.042 R)
• M9: 5,565,789 km (0.039 R)
• M10: 7,868,399 km (0.087 R)
• M11: 11,395,319 km (0.065 R)
• M12: 11,703,640 km (0.079 R)
• M13: 12,336,888 km (0.119 R)
• M14: 13,671,450 km (0.114 R)
• M15: 20,694,472 km (0.073 R)
• M16: 21,712,635 km (0.085 R)
• M17: 22,377,747 km (0.111 R)
• M18: 24,556,341 km (0.063 R)
• M19: 28,645,150 km (0.066 R)
• M20: 28,986,083 km (0.112 R)
• M21: 30,612,661 km (0.112 R)
• M22: 39,105,183 km (0.075 R)
• M23: 39,665,127 km (0.071 R)
• M24: 39,806,049 km (0.086 R)
• M25: 42,398,131 km (0.074 R)
• M26: 44,338,565 km (0.112 R)
• M27: 44,794,689 km (0.096 R)
• M28: 46,964,456 km (0.096 R)
• M29: 50,019,694 km (0.118 R)
• M30: 51,512,232 km (0.037 R)
• M31: 51,679,781 km (0.114 R)
• M32: 51,847,780 km (0.072 R)
• M33: 53,547,810 km (0.065 R)
• M34: 53,719,847 km (0.118 R)
• M35: 54,934,432 km (0.03 R)
• M36: 56,879,654 km (0.039 R)
• M37: 60,161,083 km (0.11 R)
• M38: 63,566,529 km (0.072 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: 171 - 19,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit