🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.54 AU - 0.66 AU

Year: 305 Days

Day: 12.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.3

Radius: 11.5

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.9 AU - 1.02 AU

Year: 617 Days

Day: 14.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 148.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,357,727 km

• M1: 150,047 km (0.12 R)
• M2: 607,517 km (0.027 R)
• M3: 1,465,910 km (0.07 R)
• M4: 2,334,475 km (0.1 R)
• M5: 2,845,501 km (0.098 R)
• M6: 3,685,942 km (0.055 R)
• M7: 4,164,805 km (0.106 R)
• M8: 5,485,604 km (0.06 R)
• M9: 6,785,161 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.9

Radius: 12.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.95 AU - 1.17 AU

Year: 716 Days

Day: 12.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,357,727 km

• M1: 154,235 km (0.118 R)
• M2: 625,917 km (0.094 R)
• M3: 1,072,766 km (0.07 R)
• M4: 1,520,363 km (0.117 R)
• M5: 2,222,875 km (0.117 R)
• M6: 2,786,260 km (0.117 R)
• M7: 3,379,715 km (0.05 R)
• M8: 3,942,203 km (0.083 R)
• M9: 4,535,508 km (0.1 R)
• M10: 5,052,369 km (0.086 R)
• M11: 5,536,617 km (0.115 R)
• M12: 7,415,716 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108

Radius: 8.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.18 AU - 1.82 AU

Year: 1205 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 171.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,357,727 km

• M1: 108,159 km (0.119 R)
• M2: 417,677 km (0.115 R)
• M3: 744,698 km (0.108 R)
• M4: 1,080,545 km (0.115 R)
• M5: 1,442,871 km (0.092 R)
• M6: 1,845,290 km (0.105 R)
• M7: 2,655,213 km (0.103 R)
• M8: 3,335,584 km (0.054 R)
• M9: 4,865,222 km (0.108 R)
• M10: 5,167,709 km (0.1 R)
• M11: 5,828,333 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 11.8

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.01 AU - 3.83 AU

Year: 4149 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,357,727 km

• M1: 146,905 km (0.08 R)
• M2: 1,242,859 km (0.062 R)
• M3: 1,865,186 km (0.118 R)
• M4: 3,220,693 km (0.094 R)
• M5: 3,714,814 km (0.114 R)
• M6: 4,702,310 km (0.116 R)
• M7: 5,258,066 km (0.073 R)
• M8: 5,768,793 km (0.11 R)
• M9: 6,661,444 km (0.109 R)
• M10: 8,263,188 km (0.07 R)
• M11: 9,154,343 km (0.107 R)
• M12: 9,980,123 km (0.099 R)
• M13: 10,945,328 km (0.101 R)
• M14: 11,450,670 km (0.068 R)
• M15: 11,875,677 km (0.082 R)
• M16: 12,757,407 km (0.12 R)
• M17: 16,605,962 km (0.072 R)
• M18: 18,858,756 km (0.119 R)
• M19: 20,058,531 km (0.114 R)
• M20: 21,237,662 km (0.105 R)
• M21: 22,170,105 km (0.108 R)
• M22: 24,816,342 km (0.107 R)
• M23: 26,012,377 km (0.086 R)
• M24: 29,126,556 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.8

Radius: 11

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.01 AU - 5.57 AU

Year: 6877 Days

Day: 10.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,357,727 km

• M1: 136,882 km (0.08 R)
• M2: 503,846 km (0.098 R)
• M3: 1,244,205 km (0.111 R)
• M4: 1,990,400 km (0.108 R)
• M5: 3,238,046 km (0.078 R)
• M6: 3,745,482 km (0.108 R)
• M7: 4,104,517 km (0.04 R)
• M8: 4,539,248 km (0.09 R)
• M9: 5,263,900 km (0.1 R)
• M10: 7,790,160 km (0.1 R)
• M11: 10,093,668 km (0.12 R)
• M12: 11,130,979 km (0.12 R)
• M13: 14,611,523 km (0.086 R)
• M14: 15,385,692 km (0.085 R)
• M15: 17,939,926 km (0.076 R)
• M16: 18,414,451 km (0.114 R)
• M17: 19,106,640 km (0.063 R)
• M18: 23,873,576 km (0.111 R)
• M19: 28,636,772 km (0.081 R)
• M20: 30,707,656 km (0.12 R)
• M21: 32,374,774 km (0.11 R)
• M22: 32,876,376 km (0.048 R)
• M23: 33,689,740 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.7

Radius: 5.2

Gravity: 36.05 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.1 AU - 7.5 AU

Year: 12939 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,357,727 km

• M1: 64,776 km (0.049 R)
• M2: 247,734 km (0.073 R)
• M3: 648,507 km (0.088 R)
• M4: 832,662 km (0.119 R)
• M5: 1,624,334 km (0.055 R)
• M6: 2,044,554 km (0.078 R)
• M7: 2,259,975 km (0.102 R)
• M8: 2,534,188 km (0.062 R)
• M9: 3,098,322 km (0.076 R)
• M10: 3,800,085 km (0.12 R)
• M11: 4,973,980 km (0.06 R)
• M12: 5,931,256 km (0.118 R)
• M13: 6,536,230 km (0.111 R)
• M14: 7,226,026 km (0.076 R)
• M15: 7,915,523 km (0.108 R)
• M16: 9,693,792 km (0.039 R)
• M17: 12,671,837 km (0.069 R)
• M18: 13,199,020 km (0.032 R)
• M19: 14,296,769 km (0.118 R)
• M20: 16,439,310 km (0.054 R)
• M21: 18,283,852 km (0.119 R)
• M22: 19,041,715 km (0.041 R)
• M23: 19,558,426 km (0.105 R)
• M24: 21,719,217 km (0.119 R)
• M25: 24,033,945 km (0.116 R)
• M26: 28,471,616 km (0.064 R)
• M27: 34,051,168 km (0.111 R)
• M28: 34,684,416 km (0.065 R)
• M29: 36,367,542 km (0.106 R)
• M30: 46,530,024 km (0.11 R)
• M31: 48,894,867 km (0.077 R)
• M32: 49,538,886 km (0.078 R)
• M33: 52,003,810 km (0.094 R)
• M34: 52,843,353 km (0.059 R)
• M35: 55,765,299 km (0.091 R)
• M36: 56,468,259 km (0.082 R)
• M37: 57,176,905 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.6

Radius: 7.2

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.05 AU - 9.07 AU

Year: 13636 Days

Day: 15.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,357,727 km

• M1: 89,609 km (0.096 R)
• M2: 487,091 km (0.089 R)
• M3: 977,772 km (0.07 R)
• M4: 1,309,430 km (0.06 R)
• M5: 1,982,321 km (0.034 R)
• M6: 2,581,311 km (0.03 R)
• M7: 2,865,996 km (0.044 R)
• M8: 5,173,842 km (0.077 R)
• M9: 5,921,084 km (0.025 R)
• M10: 6,340,257 km (0.076 R)
• M11: 7,152,723 km (0.082 R)
• M12: 10,112,966 km (0.109 R)
• M13: 13,411,300 km (0.082 R)
• M14: 15,945,936 km (0.107 R)
• M15: 16,237,652 km (0.098 R)
• M16: 17,134,641 km (0.041 R)
• M17: 17,363,974 km (0.077 R)
• M18: 17,828,625 km (0.07 R)
• M19: 19,108,585 km (0.08 R)
• M20: 20,277,842 km (0.095 R)
• M21: 22,119,990 km (0.047 R)
• M22: 22,666,172 km (0.113 R)
• M23: 23,975,602 km (0.114 R)
• M24: 30,384,076 km (0.027 R)
• M25: 35,815,675 km (0.093 R)
• M26: 45,268,914 km (0.106 R)
• M27: 47,040,452 km (0.084 R)
• M28: 48,857,617 km (0.052 R)
• M29: 51,511,484 km (0.064 R)
• M30: 54,754,915 km (0.103 R)
• M31: 55,086,574 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.1

Radius: 4.5

Gravity: 34.72 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.33 AU - 9.15 AU

Year: 16950 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 86,357,727 km

• M1: 73,901 km (0.105 R)
• M2: 1,078,451 km (0.05 R)
• M3: 1,453,343 km (0.092 R)
• M4: 1,596,209 km (0.116 R)
• M5: 2,348,986 km (0.056 R)
• M6: 3,180,900 km (0.103 R)
• M7: 4,451,584 km (0.076 R)
• M8: 4,618,535 km (0.065 R)
• M9: 4,859,238 km (0.103 R)
• M10: 6,398,451 km (0.1 R)
• M11: 6,568,244 km (0.035 R)
• M12: 7,891,437 km (0.099 R)
• M13: 9,220,315 km (0.1 R)
• M14: 9,382,629 km (0.099 R)
• M15: 11,482,833 km (0.105 R)
• M16: 11,924,745 km (0.078 R)
• M17: 12,117,577 km (0.105 R)
• M18: 12,575,496 km (0.105 R)
• M19: 15,876,523 km (0.061 R)
• M20: 16,031,805 km (0.064 R)
• M21: 16,424,649 km (0.109 R)
• M22: 20,072,145 km (0.118 R)
• M23: 22,716,736 km (0.037 R)
• M24: 23,714,853 km (0.116 R)
• M25: 28,000,383 km (0.107 R)
• M26: 29,030,963 km (0.051 R)
• M27: 31,656,256 km (0.102 R)
• M28: 31,902,494 km (0.104 R)
• M29: 32,274,245 km (0.031 R)
• M30: 32,648,838 km (0.094 R)
• M31: 33,790,120 km (0.105 R)
• M32: 34,176,382 km (0.061 R)
• M33: 36,421,098 km (0.068 R)
• M34: 37,373,288 km (0.119 R)
• M35: 39,327,186 km (0.119 R)
• M36: 46,542,142 km (0.082 R)
• M37: 48,965,477 km (0.117 R)
• M38: 51,471,840 km (0.094 R)
• M39: 53,537,338 km (0.062 R)
• M40: 54,414,131 km (0.049 R)
• M41: 55,657,589 km (0.082 R)
• M42: 67,305,129 km (0.034 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.1

Radius: 8

Gravity: 14.72 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.72 AU - 11.2 AU

Year: 20620 Days

Day: 15.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,357,727 km

• M1: 99,782 km (0.104 R)
• M2: 439,668 km (0.063 R)
• M3: 769,083 km (0.077 R)
• M4: 1,797,269 km (0.116 R)
• M5: 2,451,760 km (0.093 R)
• M6: 2,847,296 km (0.103 R)
• M7: 3,143,350 km (0.083 R)
• M8: 3,958,659 km (0.038 R)
• M9: 5,914,950 km (0.117 R)
• M10: 6,264,710 km (0.113 R)
• M11: 9,055,010 km (0.095 R)
• M12: 9,402,525 km (0.057 R)
• M13: 10,688,917 km (0.053 R)
• M14: 15,247,763 km (0.046 R)
• M15: 16,842,626 km (0.116 R)
• M16: 17,104,273 km (0.117 R)
• M17: 19,871,684 km (0.06 R)
• M18: 21,770,978 km (0.097 R)
• M19: 28,436,162 km (0.089 R)
• M20: 28,807,314 km (0.102 R)
• M21: 31,233,941 km (0.07 R)
• M22: 31,894,416 km (0.106 R)
• M23: 34,349,616 km (0.099 R)
• M24: 39,632,814 km (0.072 R)
• M25: 40,719,493 km (0.078 R)
• M26: 44,429,520 km (0.115 R)
• M27: 50,137,278 km (0.066 R)
• M28: 51,774,776 km (0.108 R)
• M29: 53,635,773 km (0.108 R)
• M30: 56,120,893 km (0.101 R)
• M31: 67,487,040 km (0.074 R)
• M32: 69,481,928 km (0.088 R)
• M33: 74,993,263 km (0.103 R)
• M34: 75,465,244 km (0.119 R)
• M35: 83,795,751 km (0.111 R)
• M36: 84,304,085 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 12,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit