🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657

Radius: 11.4

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 5.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,989,536 km

• M1: 141,819 km (0.106 R)
• M2: 500,554 km (0.059 R)
• M3: 857,794 km (0.102 R)
• M4: 1,454,241 km (0.111 R)
• M5: 1,897,200 km (0.073 R)
• M6: 2,773,993 km (0.09 R)
• M7: 3,130,635 km (0.039 R)
• M8: 3,639,567 km (0.096 R)
• M9: 4,093,297 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.4

Radius: 12.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.68 AU - 0.98 AU

Year: 504 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,989,536 km

• M1: 153,039 km (0.071 R)
• M2: 539,899 km (0.063 R)
• M3: 1,017,116 km (0.086 R)
• M4: 1,439,132 km (0.096 R)
• M5: 1,922,632 km (0.053 R)
• M6: 2,446,075 km (0.11 R)
• M7: 2,843,257 km (0.069 R)
• M8: 3,440,901 km (0.083 R)
• M9: 4,261,744 km (0.093 R)
• M10: 4,703,656 km (0.053 R)
• M11: 5,159,930 km (0.069 R)
• M12: 5,980,624 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.13 AU - 1.41 AU

Year: 954 Days

Day: 12.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,989,536 km

• M1: 100,380 km (0.104 R)
• M2: 482,304 km (0.081 R)
• M3: 865,872 km (0.116 R)
• M4: 1,551,330 km (0.117 R)
• M5: 2,143,588 km (0.111 R)
• M6: 2,492,151 km (0.078 R)
• M7: 2,926,134 km (0.104 R)
• M8: 3,975,264 km (0.072 R)
• M9: 4,904,566 km (0.111 R)
• M10: 5,475,581 km (0.101 R)
• M11: 5,873,811 km (0.102 R)
• M12: 8,162,509 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.3

Radius: 10.3

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.2 AU - 1.52 AU

Year: 1058 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,989,536 km

• M1: 128,056 km (0.091 R)
• M2: 466,596 km (0.104 R)
• M3: 1,022,651 km (0.086 R)
• M4: 1,395,898 km (0.097 R)
• M5: 1,979,629 km (0.049 R)
• M6: 3,318,829 km (0.118 R)
• M7: 4,522,942 km (0.114 R)
• M8: 5,028,134 km (0.096 R)
• M9: 5,508,493 km (0.073 R)
• M10: 5,867,079 km (0.11 R)
• M11: 6,561,363 km (0.084 R)
• M12: 11,111,232 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.1

Radius: 12

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.31 AU - 1.97 AU

Year: 1401 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,989,536 km

• M1: 149,299 km (0.085 R)
• M2: 1,560,755 km (0.09 R)
• M3: 1,936,544 km (0.091 R)
• M4: 2,915,662 km (0.117 R)
• M5: 3,628,646 km (0.1 R)
• M6: 4,233,021 km (0.103 R)
• M7: 5,187,306 km (0.105 R)
• M8: 9,485,851 km (0.072 R)
• M9: 10,572,680 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 13.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.57 AU - 2.49 AU

Year: 1929 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,989,536 km

• M1: 219,460 km (0.091 R)
• M2: 2,031,090 km (0.088 R)
• M3: 2,504,119 km (0.059 R)
• M4: 3,270,808 km (0.055 R)
• M5: 3,726,483 km (0.086 R)
• M6: 4,171,237 km (0.061 R)
• M7: 4,806,580 km (0.096 R)
• M8: 5,635,950 km (0.058 R)
• M9: 6,319,014 km (0.058 R)
• M10: 7,579,825 km (0.118 R)
• M11: 8,355,789 km (0.108 R)
• M12: 9,586,980 km (0.105 R)
• M13: 10,663,037 km (0.086 R)
• M14: 11,283,120 km (0.075 R)
• M15: 12,977,615 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.4

Radius: 8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.69 AU - 4.95 AU

Year: 5988 Days

Day: 10.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 138.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,989,536 km

• M1: 103,073 km (0.074 R)
• M2: 809,025 km (0.053 R)
• M3: 1,367,773 km (0.099 R)
• M4: 2,161,988 km (0.109 R)
• M5: 3,764,930 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.3

Radius: 3.4

Gravity: 71.91 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.55 AU - 9.21 AU

Year: 14751 Days

Day: 19.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,989,536 km

• M1: 42,336 km (0.087 R)
• M2: 350,657 km (0.045 R)
• M3: 533,167 km (0.05 R)
• M4: 673,190 km (0.095 R)
• M5: 879,785 km (0.119 R)
• M6: 1,064,389 km (0.07 R)
• M7: 1,389,465 km (0.099 R)
• M8: 1,976,786 km (0.102 R)
• M9: 2,092,126 km (0.082 R)
• M10: 2,598,964 km (0.088 R)
• M11: 3,368,944 km (0.098 R)
• M12: 7,183,091 km (0.091 R)
• M13: 10,238,029 km (0.076 R)
• M14: 13,027,581 km (0.026 R)
• M15: 13,779,161 km (0.053 R)
• M16: 14,487,207 km (0.105 R)
• M17: 16,052,151 km (0.043 R)
• M18: 21,323,531 km (0.113 R)
• M19: 22,461,671 km (0.113 R)
• M20: 23,242,423 km (0.093 R)
• M21: 25,169,243 km (0.111 R)
• M22: 25,482,950 km (0.039 R)
• M23: 28,537,140 km (0.064 R)
• M24: 28,878,074 km (0.099 R)
• M25: 31,101,248 km (0.039 R)
• M26: 31,583,402 km (0.078 R)
• M27: 41,570,705 km (0.047 R)
• M28: 42,302,687 km (0.111 R)
• M29: 46,718,368 km (0.112 R)
• M30: 48,148,823 km (0.102 R)
• M31: 49,281,279 km (0.092 R)
• M32: 53,127,290 km (0.062 R)
• M33: 55,387,116 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.9

Radius: 4.4

Gravity: 40.85 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.35 AU - 9.93 AU

Year: 16936 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 65,989,536 km

• M1: 54,753 km (0.085 R)
• M2: 600,486 km (0.08 R)
• M3: 814,860 km (0.086 R)
• M4: 969,394 km (0.105 R)
• M5: 1,428,959 km (0.078 R)
• M6: 1,832,125 km (0.11 R)
• M7: 2,307,398 km (0.115 R)
• M8: 2,935,559 km (0.118 R)
• M9: 3,330,348 km (0.12 R)
• M10: 3,819,533 km (0.098 R)
• M11: 4,160,616 km (0.047 R)
• M12: 4,421,215 km (0.076 R)
• M13: 4,658,178 km (0.048 R)
• M14: 5,268,687 km (0.118 R)
• M15: 6,913,366 km (0.083 R)
• M16: 7,279,133 km (0.068 R)
• M17: 8,661,268 km (0.105 R)
• M18: 10,267,650 km (0.1 R)
• M19: 10,623,244 km (0.09 R)
• M20: 11,867,749 km (0.099 R)
• M21: 13,345,626 km (0.05 R)
• M22: 13,697,779 km (0.108 R)
• M23: 16,986,988 km (0.028 R)
• M24: 17,151,695 km (0.057 R)
• M25: 18,162,079 km (0.05 R)
• M26: 19,660,451 km (0.057 R)
• M27: 21,144,313 km (0.116 R)
• M28: 21,526,535 km (0.061 R)
• M29: 24,646,997 km (0.03 R)
• M30: 24,964,145 km (0.107 R)
• M31: 31,517,579 km (0.11 R)
• M32: 34,325,979 km (0.12 R)
• M33: 46,260,150 km (0.082 R)
• M34: 48,540,171 km (0.098 R)
• M35: 50,893,944 km (0.091 R)
• M36: 52,971,110 km (0.103 R)
• M37: 53,322,665 km (0.098 R)
• M38: 54,924,260 km (0.043 R)
• M39: 58,409,890 km (0.078 R)
• M40: 65,010,148 km (0.035 R)
• M41: 66,020,981 km (0.062 R)
• M42: 71,231,924 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.2

Radius: 4.1

Gravity: 20.83 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.49 AU - 11.45 AU

Year: 22592 Days

Day: 16.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,989,536 km

• M1: 51,013 km (0.086 R)
• M2: 482,154 km (0.031 R)
• M3: 939,923 km (0.12 R)
• M4: 2,377,858 km (0.06 R)
• M5: 2,529,999 km (0.089 R)
• M6: 2,711,910 km (0.101 R)
• M7: 3,472,915 km (0.12 R)
• M8: 11,262,625 km (0.087 R)
• M9: 11,817,933 km (0.099 R)
• M10: 12,850,008 km (0.089 R)
• M11: 14,944,229 km (0.052 R)
• M12: 19,794,192 km (0.077 R)
• M13: 20,692,826 km (0.086 R)
• M14: 21,901,278 km (0.12 R)
• M15: 22,667,967 km (0.096 R)
• M16: 30,982,617 km (0.086 R)
• M17: 37,076,486 km (0.091 R)
• M18: 46,379,080 km (0.096 R)
• M19: 54,122,266 km (0.096 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: 287 - 13,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit