🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.2

Radius: 9

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.9 AU - 1.1 AU

Year: 656 Days

Day: 12.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,474,060 km

• M1: 112,348 km (0.093 R)
• M2: 452,534 km (0.072 R)
• M3: 797,357 km (0.073 R)
• M4: 1,108,221 km (0.094 R)
• M5: 1,394,551 km (0.082 R)
• M6: 1,932,804 km (0.037 R)
• M7: 2,294,682 km (0.1 R)
• M8: 2,668,826 km (0.113 R)
• M9: 3,095,330 km (0.101 R)
• M10: 3,540,383 km (0.081 R)
• M11: 4,783,841 km (0.112 R)
• M12: 5,170,252 km (0.077 R)
• M13: 5,468,999 km (0.048 R)
• M14: 6,043,904 km (0.059 R)
• M15: 6,576,771 km (0.076 R)
• M16: 6,991,606 km (0.057 R)
• M17: 7,335,831 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 14.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.07 AU - 1.37 AU

Year: 884 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,474,060 km

• M1: 184,155 km (0.077 R)
• M2: 723,455 km (0.117 R)
• M3: 1,619,547 km (0.076 R)
• M4: 2,186,971 km (0.099 R)
• M5: 2,813,188 km (0.076 R)
• M6: 3,900,465 km (0.112 R)
• M7: 4,465,197 km (0.053 R)
• M8: 6,005,756 km (0.086 R)
• M9: 6,650,523 km (0.111 R)
• M10: 7,317,281 km (0.097 R)
• M11: 8,079,183 km (0.08 R)
• M12: 8,704,950 km (0.119 R)
• M13: 9,618,245 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.8

Radius: 13.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.48 AU - 2.48 AU

Year: 2562 Days

Day: 7.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,474,060 km

• M1: 170,841 km (0.116 R)
• M2: 798,254 km (0.089 R)
• M3: 1,226,254 km (0.088 R)
• M4: 1,753,736 km (0.113 R)
• M5: 2,347,041 km (0.104 R)
• M6: 2,823,361 km (0.086 R)
• M7: 3,646,149 km (0.029 R)
• M8: 4,920,424 km (0.085 R)
• M9: 5,456,582 km (0.075 R)
• M10: 6,494,792 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.9

Radius: 14.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.05 AU - 2.93 AU

Year: 2578 Days

Day: 8.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,474,060 km

• M1: 183,407 km (0.037 R)
• M2: 904,918 km (0.112 R)
• M3: 1,781,561 km (0.079 R)
• M4: 3,380,912 km (0.083 R)
• M5: 4,884,670 km (0.089 R)
• M6: 8,266,330 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 13.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.96 AU - 3.74 AU

Year: 4022 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,474,060 km

• M1: 173,085 km (0.058 R)
• M2: 689,945 km (0.04 R)
• M3: 1,228,049 km (0.117 R)
• M4: 2,997,044 km (0.077 R)
• M5: 3,998,601 km (0.109 R)
• M6: 4,637,534 km (0.086 R)
• M7: 5,212,588 km (0.089 R)
• M8: 6,326,793 km (0.107 R)
• M9: 8,468,586 km (0.069 R)
• M10: 11,013,694 km (0.03 R)
• M11: 17,684,563 km (0.098 R)
• M12: 19,473,454 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.7

Radius: 13.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.48 AU - 3.58 AU

Year: 4351 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,474,060 km

• M1: 170,392 km (0.083 R)
• M2: 851,810 km (0.09 R)
• M3: 1,366,427 km (0.035 R)
• M4: 2,102,748 km (0.101 R)
• M5: 2,736,743 km (0.098 R)
• M6: 4,102,722 km (0.053 R)
• M7: 5,883,385 km (0.118 R)
• M8: 8,470,231 km (0.099 R)
• M9: 12,530,766 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 9.6

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.74 AU - 3.84 AU

Year: 4840 Days

Day: 13.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,474,060 km

• M1: 119,678 km (0.108 R)
• M2: 520,152 km (0.055 R)
• M3: 973,583 km (0.035 R)
• M4: 1,413,999 km (0.063 R)
• M5: 1,926,671 km (0.065 R)
• M6: 2,507,709 km (0.11 R)
• M7: 2,886,940 km (0.045 R)
• M8: 4,138,475 km (0.118 R)
• M9: 4,804,186 km (0.056 R)
• M10: 5,451,197 km (0.099 R)
• M11: 5,903,581 km (0.116 R)
• M12: 6,283,559 km (0.058 R)
• M13: 7,931,230 km (0.071 R)
• M14: 9,040,050 km (0.085 R)
• M15: 14,981,180 km (0.071 R)
• M16: 15,510,457 km (0.103 R)
• M17: 17,109,957 km (0.088 R)
• M18: 18,279,813 km (0.118 R)
• M19: 18,681,333 km (0.069 R)
• M20: 23,574,530 km (0.119 R)
• M21: 27,563,707 km (0.116 R)
• M22: 30,929,958 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76

Radius: 8.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.01 AU - 5.03 AU

Year: 7378 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,474,060 km

• M1: 106,214 km (0.078 R)
• M2: 660,475 km (0.101 R)
• M3: 1,707,360 km (0.113 R)
• M4: 2,184,727 km (0.111 R)
• M5: 2,702,934 km (0.088 R)
• M6: 3,640,464 km (0.048 R)
• M7: 3,924,999 km (0.119 R)
• M8: 4,348,661 km (0.097 R)
• M9: 4,847,121 km (0.114 R)
• M10: 7,349,444 km (0.104 R)
• M11: 10,378,203 km (0.104 R)
• M12: 11,711,718 km (0.088 R)
• M13: 13,920,830 km (0.094 R)
• M14: 16,189,930 km (0.109 R)
• M15: 17,815,012 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.2

Radius: 7.2

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.86 AU - 7.92 AU

Year: 10596 Days

Day: 21 Hours

Environment

Temp: -215 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,474,060 km

• M1: 89,759 km (0.081 R)
• M2: 624,272 km (0.083 R)
• M3: 891,753 km (0.089 R)
• M4: 1,322,894 km (0.118 R)
• M5: 1,565,392 km (0.08 R)
• M6: 1,805,945 km (0.088 R)
• M7: 2,538,377 km (0.088 R)
• M8: 3,331,993 km (0.093 R)
• M9: 3,604,860 km (0.1 R)
• M10: 3,839,130 km (0.04 R)
• M11: 5,534,224 km (0.096 R)
• M12: 6,245,113 km (0.076 R)
• M13: 6,817,025 km (0.116 R)
• M14: 7,217,349 km (0.115 R)
• M15: 7,761,138 km (0.106 R)
• M16: 8,065,120 km (0.065 R)
• M17: 8,883,271 km (0.092 R)
• M18: 11,169,276 km (0.112 R)
• M19: 13,820,749 km (0.111 R)
• M20: 14,075,065 km (0.098 R)
• M21: 14,658,497 km (0.104 R)
• M22: 17,820,846 km (0.118 R)
• M23: 18,274,128 km (0.05 R)
• M24: 18,735,189 km (0.074 R)
• M25: 19,921,649 km (0.061 R)
• M26: 20,492,066 km (0.035 R)
• M27: 21,241,402 km (0.119 R)
• M28: 22,182,073 km (0.072 R)
• M29: 22,706,713 km (0.117 R)
• M30: 24,794,501 km (0.068 R)
• M31: 27,806,504 km (0.112 R)
• M32: 32,825,064 km (0.117 R)
• M33: 42,297,152 km (0.052 R)
• M34: 44,747,266 km (0.08 R)
• M35: 45,444,243 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.7

Radius: 6

Gravity: 27.24 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.38 AU - 9.66 AU

Year: 14899 Days

Day: 22.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,474,060 km

• M1: 74,649 km (0.071 R)
• M2: 321,785 km (0.076 R)
• M3: 1,603,540 km (0.109 R)
• M4: 1,863,690 km (0.081 R)
• M5: 2,338,514 km (0.114 R)
• M6: 2,721,335 km (0.104 R)
• M7: 2,965,479 km (0.088 R)
• M8: 4,282,837 km (0.064 R)
• M9: 4,716,671 km (0.112 R)
• M10: 5,216,179 km (0.107 R)
• M11: 7,290,802 km (0.076 R)
• M12: 10,145,728 km (0.056 R)
• M13: 10,915,409 km (0.103 R)
• M14: 11,723,536 km (0.097 R)
• M15: 11,915,620 km (0.104 R)
• M16: 14,096,607 km (0.095 R)
• M17: 14,313,823 km (0.115 R)
• M18: 14,978,786 km (0.117 R)
• M19: 16,211,622 km (0.104 R)
• M20: 17,427,554 km (0.079 R)
• M21: 18,443,024 km (0.072 R)
• M22: 20,314,194 km (0.107 R)
• M23: 22,308,184 km (0.088 R)
• M24: 27,800,221 km (0.069 R)
• M25: 31,222,871 km (0.079 R)
• M26: 31,468,810 km (0.085 R)
• M27: 32,339,619 km (0.092 R)
• M28: 33,098,828 km (0.076 R)
• M29: 34,390,307 km (0.119 R)
• M30: 47,560,903 km (0.112 R)
• M31: 48,213,599 km (0.052 R)
• M32: 50,545,231 km (0.062 R)
• M33: 52,429,117 km (0.115 R)
• M34: 54,537,101 km (0.086 R)
• M35: 57,619,116 km (0.077 R)
• M36: 58,360,822 km (0.105 R)
• M37: 66,131,384 km (0.051 R)
• M38: 67,148,650 km (0.087 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 19,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit