🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.2

Radius: 14.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.56 AU - 0.72 AU

Year: 341 Days

Day: 11 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,990,566 km

• M1: 181,612 km (0.08 R)
• M2: 652,396 km (0.095 R)
• M3: 1,320,052 km (0.109 R)
• M4: 1,946,119 km (0.117 R)
• M5: 2,595,822 km (0.11 R)
• M6: 3,093,235 km (0.074 R)
• M7: 3,583,767 km (0.096 R)
• M8: 4,391,146 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.9

Radius: 9.7

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.19 AU - 1.61 AU

Year: 1105 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 57.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,990,566 km

• M1: 120,725 km (0.104 R)
• M2: 717,621 km (0.115 R)
• M3: 1,074,562 km (0.109 R)
• M4: 1,628,822 km (0.09 R)
• M5: 2,041,113 km (0.112 R)
• M6: 2,654,465 km (0.114 R)
• M7: 3,017,090 km (0.078 R)
• M8: 3,320,325 km (0.099 R)
• M9: 6,314,077 km (0.072 R)
• M10: 6,623,446 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956

Radius: 13.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.3 AU - 2.5 AU

Year: 2479 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,990,566 km

• M1: 170,542 km (0.097 R)
• M2: 655,837 km (0.063 R)
• M3: 1,302,997 km (0.119 R)
• M4: 1,837,660 km (0.029 R)
• M5: 2,278,824 km (0.055 R)
• M6: 2,919,552 km (0.094 R)
• M7: 5,096,051 km (0.111 R)
• M8: 6,449,314 km (0.079 R)
• M9: 6,969,914 km (0.118 R)
• M10: 7,549,756 km (0.07 R)
• M11: 8,429,242 km (0.107 R)
• M12: 8,981,856 km (0.081 R)
• M13: 11,232,556 km (0.108 R)
• M14: 11,732,811 km (0.075 R)
• M15: 13,277,409 km (0.105 R)
• M16: 15,406,935 km (0.087 R)
• M17: 16,077,433 km (0.098 R)
• M18: 16,553,004 km (0.046 R)
• M19: 20,456,312 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.1

Radius: 13.7

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.28 AU - 3.12 AU

Year: 2959 Days

Day: 9.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,990,566 km

• M1: 187,446 km (0.113 R)
• M2: 708,795 km (0.112 R)
• M3: 1,186,162 km (0.098 R)
• M4: 1,649,765 km (0.107 R)
• M5: 2,106,039 km (0.067 R)
• M6: 2,880,208 km (0.1 R)
• M7: 3,721,397 km (0.092 R)
• M8: 4,305,576 km (0.091 R)
• M9: 4,766,188 km (0.103 R)
• M10: 6,746,415 km (0.111 R)
• M11: 7,587,454 km (0.1 R)
• M12: 8,164,453 km (0.063 R)
• M13: 10,225,164 km (0.096 R)
• M14: 12,133,734 km (0.061 R)
• M15: 13,104,474 km (0.076 R)
• M16: 14,078,805 km (0.09 R)
• M17: 15,051,191 km (0.078 R)
• M18: 15,912,426 km (0.109 R)
• M19: 18,867,134 km (0.117 R)
• M20: 19,808,703 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.6

Radius: 13.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.2 AU - 4.78 AU

Year: 6345 Days

Day: 8.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,990,566 km

• M1: 171,888 km (0.113 R)
• M2: 609,013 km (0.093 R)
• M3: 1,246,599 km (0.12 R)
• M4: 1,993,691 km (0.065 R)
• M5: 3,371,188 km (0.101 R)
• M6: 4,264,736 km (0.068 R)
• M7: 5,745,007 km (0.098 R)
• M8: 6,767,957 km (0.111 R)
• M9: 7,755,902 km (0.118 R)
• M10: 8,477,113 km (0.068 R)
• M11: 9,945,715 km (0.061 R)
• M12: 10,989,460 km (0.088 R)
• M13: 12,187,439 km (0.088 R)
• M14: 15,319,720 km (0.053 R)
• M15: 17,385,068 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.1

Radius: 9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.91 AU - 5.27 AU

Year: 7658 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,990,566 km

• M1: 118,332 km (0.088 R)
• M2: 417,976 km (0.055 R)
• M3: 707,897 km (0.062 R)
• M4: 1,227,750 km (0.098 R)
• M5: 1,641,238 km (0.079 R)
• M6: 2,330,735 km (0.053 R)
• M7: 2,680,495 km (0.055 R)
• M8: 3,301,326 km (0.058 R)
• M9: 5,204,061 km (0.1 R)
• M10: 6,325,447 km (0.098 R)
• M11: 9,445,759 km (0.068 R)
• M12: 10,695,350 km (0.078 R)
• M13: 11,150,876 km (0.085 R)
• M14: 12,003,284 km (0.06 R)
• M15: 12,495,312 km (0.049 R)
• M16: 16,205,040 km (0.117 R)
• M17: 16,745,387 km (0.107 R)
• M18: 17,422,168 km (0.115 R)
• M19: 19,764,871 km (0.099 R)
• M20: 23,356,117 km (0.096 R)
• M21: 26,278,212 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.3

Radius: 5.4

Gravity: 20.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.95 AU - 7.17 AU

Year: 9948 Days

Day: 15.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,990,566 km

• M1: 67,169 km (0.097 R)
• M2: 418,425 km (0.112 R)
• M3: 610,659 km (0.102 R)
• M4: 871,856 km (0.109 R)
• M5: 1,148,313 km (0.114 R)
• M6: 1,861,746 km (0.065 R)
• M7: 2,322,657 km (0.112 R)
• M8: 2,710,863 km (0.11 R)
• M9: 2,963,833 km (0.042 R)
• M10: 3,372,684 km (0.091 R)
• M11: 4,358,684 km (0.081 R)
• M12: 4,979,216 km (0.063 R)
• M13: 5,896,101 km (0.116 R)
• M14: 7,434,117 km (0.115 R)
• M15: 10,189,410 km (0.065 R)
• M16: 11,492,258 km (0.069 R)
• M17: 12,554,104 km (0.091 R)
• M18: 12,785,681 km (0.113 R)
• M19: 15,000,029 km (0.08 R)
• M20: 15,392,424 km (0.084 R)
• M21: 15,926,189 km (0.079 R)
• M22: 20,092,340 km (0.073 R)
• M23: 21,298,398 km (0.103 R)
• M24: 21,545,235 km (0.092 R)
• M25: 22,044,742 km (0.088 R)
• M26: 22,894,309 km (0.068 R)
• M27: 23,501,825 km (0.117 R)
• M28: 25,296,850 km (0.031 R)
• M29: 27,277,825 km (0.082 R)
• M30: 30,595,906 km (0.113 R)
• M31: 33,392,489 km (0.092 R)
• M32: 34,738,870 km (0.094 R)
• M33: 35,656,204 km (0.113 R)
• M34: 35,888,080 km (0.086 R)
• M35: 44,785,863 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.3

Radius: 5.8

Gravity: 23.02 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.99 AU - 6.43 AU

Year: 10320 Days

Day: 22.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,990,566 km

• M1: 72,106 km (0.055 R)
• M2: 606,919 km (0.068 R)
• M3: 858,243 km (0.09 R)
• M4: 1,226,254 km (0.044 R)
• M5: 1,804,001 km (0.117 R)
• M6: 2,218,088 km (0.085 R)
• M7: 2,778,780 km (0.117 R)
• M8: 3,330,797 km (0.106 R)
• M9: 3,980,799 km (0.06 R)
• M10: 4,528,926 km (0.104 R)
• M11: 6,747,313 km (0.101 R)
• M12: 7,356,176 km (0.097 R)
• M13: 7,609,744 km (0.097 R)
• M14: 7,912,979 km (0.07 R)
• M15: 8,269,321 km (0.107 R)
• M16: 8,918,576 km (0.111 R)
• M17: 10,370,872 km (0.056 R)
• M18: 10,851,830 km (0.116 R)
• M19: 11,236,146 km (0.071 R)
• M20: 11,858,324 km (0.067 R)
• M21: 19,395,663 km (0.08 R)
• M22: 19,717,598 km (0.085 R)
• M23: 20,372,388 km (0.104 R)
• M24: 27,737,689 km (0.115 R)
• M25: 31,121,743 km (0.108 R)
• M26: 31,563,206 km (0.067 R)
• M27: 35,008,295 km (0.042 R)
• M28: 37,067,660 km (0.116 R)
• M29: 40,240,630 km (0.091 R)
• M30: 44,004,064 km (0.056 R)
• M31: 48,436,948 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154

Radius: 7.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.34 AU - 6.5 AU

Year: 10848 Days

Day: 20.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,990,566 km

• M1: 94,845 km (0.1 R)
• M2: 357,539 km (0.102 R)
• M3: 738,265 km (0.032 R)
• M4: 1,185,713 km (0.116 R)
• M5: 1,431,203 km (0.052 R)
• M6: 1,710,951 km (0.075 R)
• M7: 2,317,720 km (0.109 R)
• M8: 3,485,930 km (0.087 R)
• M9: 3,724,538 km (0.108 R)
• M10: 4,507,085 km (0.101 R)
• M11: 5,169,354 km (0.106 R)
• M12: 7,263,874 km (0.091 R)
• M13: 8,517,953 km (0.11 R)
• M14: 11,400,854 km (0.115 R)
• M15: 12,524,334 km (0.071 R)
• M16: 15,449,122 km (0.072 R)
• M17: 17,256,264 km (0.109 R)
• M18: 19,469,714 km (0.073 R)
• M19: 20,016,793 km (0.106 R)
• M20: 20,927,545 km (0.058 R)
• M21: 25,168,645 km (0.063 R)
• M22: 25,573,158 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.8

Radius: 3.6

Gravity: 68.43 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.3 AU - 8.46 AU

Year: 16177 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,990,566 km

• M1: 44,730 km (0.076 R)
• M2: 185,352 km (0.113 R)
• M3: 328,517 km (0.059 R)
• M4: 478,564 km (0.052 R)
• M5: 603,179 km (0.071 R)
• M6: 990,488 km (0.087 R)
• M7: 1,508,545 km (0.102 R)
• M8: 1,967,960 km (0.097 R)
• M9: 2,106,188 km (0.089 R)
• M10: 2,749,609 km (0.113 R)
• M11: 3,318,230 km (0.079 R)
• M12: 3,808,463 km (0.061 R)
• M13: 5,528,838 km (0.045 R)
• M14: 7,093,482 km (0.098 R)
• M15: 9,092,110 km (0.076 R)
• M16: 12,544,679 km (0.105 R)
• M17: 13,159,377 km (0.089 R)
• M18: 14,154,951 km (0.101 R)
• M19: 16,055,891 km (0.118 R)
• M20: 16,617,182 km (0.115 R)
• M21: 17,778,809 km (0.114 R)
• M22: 18,206,510 km (0.102 R)
• M23: 18,993,544 km (0.061 R)
• M24: 19,530,600 km (0.07 R)
• M25: 22,269,887 km (0.074 R)
• M26: 23,577,073 km (0.091 R)
• M27: 25,795,011 km (0.092 R)
• M28: 26,453,242 km (0.106 R)
• M29: 28,263,526 km (0.062 R)
• M30: 31,627,234 km (0.079 R)
• M31: 34,980,769 km (0.097 R)
• M32: 36,468,221 km (0.089 R)
• M33: 52,843,653 km (0.064 R)
• M34: 57,356,721 km (0.104 R)
• M35: 65,504,868 km (0.106 R)
• M36: 66,933,827 km (0.092 R)
• M37: 68,592,120 km (0.074 R)
• M38: 69,642,446 km (0.092 R)
• M39: 70,490,217 km (0.04 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: 435 - 18,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit