🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481

Radius: 9.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.66 AU - 0.7 AU

Year: 362 Days

Day: 10.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,121,600 km

• M1: 118,182 km (0.111 R)
• M2: 426,803 km (0.077 R)
• M3: 731,683 km (0.067 R)
• M4: 1,216,979 km (0.105 R)
• M5: 1,585,289 km (0.1 R)
• M6: 1,900,641 km (0.12 R)
• M7: 2,401,644 km (0.076 R)
• M8: 2,707,273 km (0.084 R)
• M9: 3,497,897 km (0.065 R)
• M10: 3,904,804 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.6

Radius: 8.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.27 AU - 1.69 AU

Year: 1163 Days

Day: 5.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,121,600 km

• M1: 108,458 km (0.081 R)
• M2: 376,837 km (0.075 R)
• M3: 723,605 km (0.079 R)
• M4: 997,219 km (0.094 R)
• M5: 1,900,641 km (0.074 R)
• M6: 2,382,944 km (0.094 R)
• M7: 2,724,476 km (0.067 R)
• M8: 3,163,995 km (0.117 R)
• M9: 3,813,100 km (0.119 R)
• M10: 4,315,001 km (0.09 R)
• M11: 4,807,328 km (0.038 R)
• M12: 5,242,508 km (0.081 R)
• M13: 5,605,582 km (0.108 R)
• M14: 7,252,056 km (0.112 R)
• M15: 7,606,902 km (0.091 R)
• M16: 8,377,032 km (0.061 R)
• M17: 9,143,721 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.3

Radius: 15

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.72 AU - 2.12 AU

Year: 1718 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,121,600 km

• M1: 187,596 km (0.079 R)
• M2: 741,407 km (0.063 R)
• M3: 1,257,968 km (0.084 R)
• M4: 2,287,351 km (0.12 R)
• M5: 3,047,309 km (0.087 R)
• M6: 4,960,366 km (0.099 R)
• M7: 5,977,333 km (0.063 R)
• M8: 7,202,838 km (0.115 R)
• M9: 7,994,061 km (0.051 R)
• M10: 8,645,859 km (0.111 R)
• M11: 9,690,052 km (0.113 R)
• M12: 10,914,511 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 12

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.01 AU - 3.51 AU

Year: 3801 Days

Day: 9.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 17,121,600 km

• M1: 149,299 km (0.097 R)
• M2: 575,952 km (0.117 R)
• M3: 1,316,012 km (0.116 R)
• M4: 1,888,972 km (0.065 R)
• M5: 2,416,305 km (0.115 R)
• M6: 2,932,567 km (0.12 R)
• M7: 3,521,833 km (0.113 R)
• M8: 3,899,268 km (0.116 R)
• M9: 4,589,363 km (0.097 R)
• M10: 5,606,330 km (0.091 R)
• M11: 6,610,580 km (0.061 R)
• M12: 7,057,579 km (0.087 R)
• M13: 7,731,068 km (0.086 R)
• M14: 8,155,478 km (0.119 R)
• M15: 9,051,120 km (0.071 R)
• M16: 9,928,811 km (0.092 R)
• M17: 10,645,085 km (0.081 R)
• M18: 11,531,602 km (0.075 R)
• M19: 12,854,646 km (0.116 R)
• M20: 14,171,556 km (0.069 R)
• M21: 14,916,852 km (0.091 R)
• M22: 16,197,859 km (0.102 R)
• M23: 17,072,109 km (0.073 R)
• M24: 19,492,154 km (0.114 R)
• M25: 20,615,335 km (0.119 R)
• M26: 21,090,308 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 10.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.62 AU - 5.08 AU

Year: 5858 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 17,121,600 km

• M1: 125,662 km (0.115 R)
• M2: 565,480 km (0.053 R)
• M3: 1,717,832 km (0.069 R)
• M4: 2,157,201 km (0.108 R)
• M5: 2,620,805 km (0.095 R)
• M6: 3,206,930 km (0.102 R)
• M7: 3,921,708 km (0.12 R)
• M8: 5,527,043 km (0.101 R)
• M9: 6,369,429 km (0.104 R)
• M10: 7,031,100 km (0.113 R)
• M11: 7,668,686 km (0.11 R)
• M12: 8,235,064 km (0.103 R)
• M13: 12,190,132 km (0.095 R)
• M14: 12,961,908 km (0.06 R)
• M15: 14,443,674 km (0.056 R)
• M16: 15,252,849 km (0.045 R)
• M17: 16,785,330 km (0.045 R)
• M18: 17,498,463 km (0.062 R)
• M19: 18,731,598 km (0.1 R)
• M20: 20,959,410 km (0.12 R)
• M21: 21,508,284 km (0.055 R)
• M22: 23,578,420 km (0.099 R)
• M23: 23,948,375 km (0.114 R)
• M24: 24,623,959 km (0.116 R)
• M25: 25,700,166 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793

Radius: 13

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.89 AU - 5.71 AU

Year: 7878 Days

Day: 12.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 17,121,600 km

• M1: 162,912 km (0.045 R)
• M2: 798,404 km (0.075 R)
• M3: 1,798,615 km (0.05 R)
• M4: 2,328,042 km (0.036 R)
• M5: 2,858,067 km (0.085 R)
• M6: 3,398,864 km (0.072 R)
• M7: 4,774,416 km (0.119 R)
• M8: 6,933,861 km (0.118 R)
• M9: 8,990,533 km (0.077 R)
• M10: 10,207,811 km (0.082 R)
• M11: 10,907,181 km (0.099 R)
• M12: 11,853,387 km (0.117 R)
• M13: 12,570,111 km (0.09 R)
• M14: 13,257,214 km (0.059 R)
• M15: 14,769,050 km (0.099 R)
• M16: 17,075,101 km (0.096 R)
• M17: 18,788,894 km (0.059 R)
• M18: 19,611,682 km (0.045 R)
• M19: 27,651,670 km (0.094 R)
• M20: 30,110,611 km (0.109 R)
• M21: 33,684,055 km (0.032 R)
• M22: 34,675,290 km (0.084 R)
• M23: 35,459,632 km (0.109 R)
• M24: 37,648,399 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.8

Radius: 4.6

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.51 AU - 8.01 AU

Year: 11348 Days

Day: 20.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,121,600 km

• M1: 65,973 km (0.076 R)
• M2: 325,525 km (0.062 R)
• M3: 949,049 km (0.071 R)
• M4: 1,164,619 km (0.07 R)
• M5: 3,234,007 km (0.089 R)
• M6: 4,604,024 km (0.098 R)
• M7: 6,024,605 km (0.063 R)
• M8: 6,320,211 km (0.097 R)
• M9: 8,181,059 km (0.093 R)
• M10: 9,474,632 km (0.044 R)
• M11: 9,784,598 km (0.047 R)
• M12: 12,778,201 km (0.082 R)
• M13: 13,822,544 km (0.117 R)
• M14: 14,221,222 km (0.076 R)
• M15: 29,768,929 km (0.098 R)
• M16: 34,007,486 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.4

Radius: 6.6

Gravity: 14.15 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.91 AU - 9.35 AU

Year: 13608 Days

Day: 15.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,121,600 km

• M1: 83,027 km (0.1 R)
• M2: 396,734 km (0.104 R)
• M3: 745,895 km (0.098 R)
• M4: 1,114,355 km (0.118 R)
• M5: 1,598,902 km (0.118 R)
• M6: 2,392,070 km (0.108 R)
• M7: 2,620,805 km (0.075 R)
• M8: 4,499,904 km (0.104 R)
• M9: 7,217,948 km (0.076 R)
• M10: 13,935,939 km (0.092 R)
• M11: 17,767,739 km (0.108 R)
• M12: 18,082,493 km (0.067 R)
• M13: 20,306,265 km (0.109 R)
• M14: 25,090,405 km (0.093 R)
• M15: 28,272,801 km (0.08 R)
• M16: 35,177,491 km (0.083 R)
• M17: 37,837,041 km (0.052 R)
• M18: 46,764,145 km (0.08 R)
• M19: 50,601,330 km (0.096 R)
• M20: 51,393,152 km (0.106 R)
• M21: 54,809,069 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998

Radius: 6.8

Gravity: 21.58 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.18 AU - 9.08 AU

Year: 13608 Days

Day: 21.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 17,121,600 km

• M1: 85,121 km (0.105 R)
• M2: 309,518 km (0.087 R)
• M3: 1,296,864 km (0.1 R)
• M4: 1,812,977 km (0.109 R)
• M5: 2,207,466 km (0.051 R)
• M6: 3,016,043 km (0.104 R)
• M7: 4,068,314 km (0.101 R)
• M8: 4,677,776 km (0.082 R)
• M9: 5,608,125 km (0.075 R)
• M10: 7,272,252 km (0.056 R)
• M11: 7,973,267 km (0.116 R)
• M12: 8,821,487 km (0.09 R)
• M13: 9,401,329 km (0.1 R)
• M14: 10,462,426 km (0.041 R)
• M15: 14,122,937 km (0.061 R)
• M16: 16,122,013 km (0.112 R)
• M17: 19,244,569 km (0.106 R)
• M18: 20,763,586 km (0.085 R)
• M19: 21,318,295 km (0.055 R)
• M20: 27,420,243 km (0.081 R)
• M21: 28,880,318 km (0.103 R)
• M22: 29,921,070 km (0.084 R)
• M23: 37,779,297 km (0.098 R)
• M24: 38,605,675 km (0.085 R)
• M25: 40,868,343 km (0.1 R)
• M26: 41,593,145 km (0.038 R)
• M27: 41,885,459 km (0.055 R)
• M28: 43,217,778 km (0.1 R)
• M29: 44,578,221 km (0.03 R)
• M30: 48,184,128 km (0.047 R)
• M31: 56,684,279 km (0.102 R)
• M32: 65,339,264 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.5

Radius: 7.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.33 AU - 10.53 AU

Year: 15804 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,121,600 km

• M1: 92,003 km (0.07 R)
• M2: 482,154 km (0.1 R)
• M3: 1,048,831 km (0.109 R)
• M4: 1,848,880 km (0.079 R)
• M5: 2,818,573 km (0.119 R)
• M6: 6,716,795 km (0.113 R)
• M7: 7,020,778 km (0.066 R)
• M8: 15,205,876 km (0.058 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: 299 - 12,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit