🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 460.9

Radius: 11.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.82 AU - 1.18 AU

Year: 690 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,765,902 km

• M1: 139,276 km (0.076 R)
• M2: 645,365 km (0.055 R)
• M3: 1,053,019 km (0.076 R)
• M4: 1,613,563 km (0.116 R)
• M5: 2,007,155 km (0.113 R)
• M6: 2,485,269 km (0.061 R)
• M7: 3,228,920 km (0.069 R)
• M8: 4,029,718 km (0.046 R)
• M9: 5,040,102 km (0.036 R)
• M10: 5,802,602 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 8.3

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.99 AU - 2.31 AU

Year: 2176 Days

Day: 5 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,765,902 km

• M1: 103,372 km (0.077 R)
• M2: 614,548 km (0.089 R)
• M3: 877,092 km (0.097 R)
• M4: 1,199,625 km (0.041 R)
• M5: 1,633,310 km (0.094 R)
• M6: 1,990,400 km (0.102 R)
• M7: 2,315,925 km (0.083 R)
• M8: 3,332,442 km (0.067 R)
• M9: 3,717,357 km (0.103 R)
• M10: 4,050,512 km (0.109 R)
• M11: 4,776,810 km (0.067 R)
• M12: 5,219,171 km (0.118 R)
• M13: 5,868,276 km (0.089 R)
• M14: 6,212,500 km (0.093 R)
• M15: 6,768,406 km (0.063 R)
• M16: 7,236,647 km (0.094 R)
• M17: 8,011,415 km (0.06 R)
• M18: 8,636,285 km (0.076 R)
• M19: 8,978,116 km (0.104 R)
• M20: 9,579,799 km (0.062 R)
• M21: 10,745,765 km (0.065 R)
• M22: 11,505,722 km (0.104 R)
• M23: 12,088,256 km (0.109 R)
• M24: 12,473,022 km (0.11 R)
• M25: 15,053,286 km (0.105 R)
• M26: 17,969,696 km (0.072 R)
• M27: 18,471,148 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.5

Radius: 13.2

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.95 AU - 2.79 AU

Year: 2518 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,765,902 km

• M1: 164,109 km (0.12 R)
• M2: 661,223 km (0.091 R)
• M3: 1,079,349 km (0.072 R)
• M4: 1,510,639 km (0.082 R)
• M5: 1,987,109 km (0.065 R)
• M6: 2,550,195 km (0.104 R)
• M7: 2,989,115 km (0.099 R)
• M8: 3,715,263 km (0.07 R)
• M9: 5,922,281 km (0.07 R)
• M10: 6,672,514 km (0.116 R)
• M11: 7,275,992 km (0.101 R)
• M12: 7,760,090 km (0.072 R)
• M13: 8,526,480 km (0.095 R)
• M14: 9,238,117 km (0.113 R)
• M15: 9,842,792 km (0.104 R)
• M16: 10,780,023 km (0.107 R)
• M17: 11,250,657 km (0.099 R)
• M18: 11,734,906 km (0.104 R)
• M19: 12,573,103 km (0.099 R)
• M20: 13,495,673 km (0.08 R)
• M21: 14,042,902 km (0.087 R)
• M22: 15,328,396 km (0.055 R)
• M23: 16,639,023 km (0.099 R)
• M24: 17,481,858 km (0.044 R)
• M25: 19,081,956 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 10.9

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.12 AU - 3.12 AU

Year: 3804 Days

Day: 12.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,765,902 km

• M1: 135,685 km (0.107 R)
• M2: 560,394 km (0.115 R)
• M3: 931,247 km (0.106 R)
• M4: 1,358,498 km (0.118 R)
• M5: 2,559,620 km (0.107 R)
• M6: 3,456,309 km (0.094 R)
• M7: 5,217,076 km (0.065 R)
• M8: 5,751,589 km (0.105 R)
• M9: 7,281,228 km (0.104 R)
• M10: 9,564,241 km (0.119 R)
• M11: 10,243,116 km (0.093 R)
• M12: 11,212,510 km (0.107 R)
• M13: 11,831,845 km (0.027 R)
• M14: 12,708,638 km (0.048 R)
• M15: 13,090,562 km (0.048 R)
• M16: 14,905,184 km (0.052 R)
• M17: 16,204,591 km (0.064 R)
• M18: 17,227,541 km (0.105 R)
• M19: 19,972,812 km (0.092 R)
• M20: 22,025,743 km (0.084 R)
• M21: 24,215,557 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.9

Radius: 9.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.33 AU - 4.85 AU

Year: 6788 Days

Day: 5.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,765,902 km

• M1: 141,520 km (0.052 R)
• M2: 1,408,015 km (0.025 R)
• M3: 1,717,683 km (0.109 R)
• M4: 2,365,442 km (0.119 R)
• M5: 3,613,985 km (0.113 R)
• M6: 4,183,355 km (0.065 R)
• M7: 4,834,255 km (0.111 R)
• M8: 5,525,996 km (0.116 R)
• M9: 6,282,512 km (0.039 R)
• M10: 12,252,664 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.4

Radius: 8.9

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.88 AU - 5.82 AU

Year: 8542 Days

Day: 5.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,765,902 km

• M1: 111,002 km (0.114 R)
• M2: 456,872 km (0.115 R)
• M3: 886,218 km (0.111 R)
• M4: 1,204,412 km (0.097 R)
• M5: 1,548,787 km (0.049 R)
• M6: 2,474,947 km (0.112 R)
• M7: 3,099,518 km (0.103 R)
• M8: 5,193,440 km (0.033 R)
• M9: 5,892,511 km (0.073 R)
• M10: 6,248,404 km (0.081 R)
• M11: 6,584,401 km (0.07 R)
• M12: 7,366,050 km (0.111 R)
• M13: 7,894,878 km (0.104 R)
• M14: 8,570,911 km (0.073 R)
• M15: 9,028,381 km (0.106 R)
• M16: 10,688,169 km (0.066 R)
• M17: 11,023,717 km (0.105 R)
• M18: 14,310,233 km (0.088 R)
• M19: 17,794,068 km (0.075 R)
• M20: 18,470,699 km (0.086 R)
• M21: 19,803,317 km (0.085 R)
• M22: 21,123,967 km (0.071 R)
• M23: 21,729,240 km (0.043 R)
• M24: 23,615,071 km (0.074 R)
• M25: 25,267,679 km (0.097 R)
• M26: 27,351,128 km (0.092 R)
• M27: 30,686,862 km (0.109 R)
• M28: 31,268,049 km (0.088 R)
• M29: 31,856,567 km (0.064 R)
• M30: 32,753,107 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.5

Radius: 6.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.49 AU - 7.02 AU

Year: 9517 Days

Day: 15.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,765,902 km

• M1: 77,342 km (0.081 R)
• M2: 384,467 km (0.07 R)
• M3: 803,341 km (0.052 R)
• M4: 1,119,291 km (0.092 R)
• M5: 1,504,057 km (0.077 R)
• M6: 1,837,959 km (0.06 R)
• M7: 2,454,602 km (0.05 R)
• M8: 3,220,094 km (0.084 R)
• M9: 9,342,836 km (0.117 R)
• M10: 9,544,643 km (0.103 R)
• M11: 10,295,026 km (0.114 R)
• M12: 11,355,825 km (0.109 R)
• M13: 12,102,318 km (0.087 R)
• M14: 13,231,932 km (0.113 R)
• M15: 15,927,386 km (0.109 R)
• M16: 17,403,169 km (0.089 R)
• M17: 17,832,216 km (0.118 R)
• M18: 19,487,815 km (0.096 R)
• M19: 20,692,377 km (0.103 R)
• M20: 22,808,739 km (0.103 R)
• M21: 23,545,059 km (0.08 R)
• M22: 24,069,998 km (0.087 R)
• M23: 25,455,274 km (0.115 R)
• M24: 25,849,315 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.6

Radius: 4.1

Gravity: 51.43 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.04 AU - 6.68 AU

Year: 9792 Days

Day: 19.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,765,902 km

• M1: 51,312 km (0.062 R)
• M2: 206,595 km (0.04 R)
• M3: 358,586 km (0.081 R)
• M4: 516,861 km (0.081 R)
• M5: 696,528 km (0.106 R)
• M6: 2,257,581 km (0.119 R)
• M7: 3,542,328 km (0.113 R)
• M8: 5,872,464 km (0.091 R)
• M9: 6,091,326 km (0.075 R)
• M10: 10,110,572 km (0.071 R)
• M11: 11,463,386 km (0.092 R)
• M12: 13,807,584 km (0.093 R)
• M13: 14,788,198 km (0.077 R)
• M14: 15,744,727 km (0.039 R)
• M15: 15,954,763 km (0.119 R)
• M16: 17,033,962 km (0.096 R)
• M17: 18,938,941 km (0.102 R)
• M18: 20,729,029 km (0.089 R)
• M19: 21,321,287 km (0.05 R)
• M20: 22,451,349 km (0.053 R)
• M21: 23,712,160 km (0.046 R)
• M22: 25,594,101 km (0.097 R)
• M23: 26,079,696 km (0.118 R)
• M24: 30,187,953 km (0.059 R)
• M25: 36,389,532 km (0.078 R)
• M26: 36,880,064 km (0.108 R)
• M27: 38,125,616 km (0.097 R)
• M28: 40,176,303 km (0.104 R)
• M29: 43,525,800 km (0.062 R)
• M30: 45,764,382 km (0.083 R)
• M31: 45,906,799 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.2

Radius: 5.7

Gravity: 14.6 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.53 AU - 8.71 AU

Year: 14519 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,765,902 km

• M1: 70,909 km (0.117 R)
• M2: 328,367 km (0.113 R)
• M3: 633,397 km (0.107 R)
• M4: 812,167 km (0.116 R)
• M5: 1,014,274 km (0.068 R)
• M6: 1,301,501 km (0.104 R)
• M7: 1,566,439 km (0.076 R)
• M8: 2,500,080 km (0.112 R)
• M9: 4,759,606 km (0.118 R)
• M10: 6,001,119 km (0.107 R)
• M11: 8,339,034 km (0.12 R)
• M12: 9,353,457 km (0.096 R)
• M13: 9,709,051 km (0.059 R)
• M14: 10,997,388 km (0.059 R)
• M15: 12,395,530 km (0.117 R)
• M16: 14,238,277 km (0.114 R)
• M17: 19,752,304 km (0.112 R)
• M18: 20,677,268 km (0.063 R)
• M19: 23,161,790 km (0.046 R)
• M20: 24,571,301 km (0.097 R)
• M21: 26,943,923 km (0.038 R)
• M22: 34,367,268 km (0.117 R)
• M23: 35,091,771 km (0.034 R)
• M24: 41,123,557 km (0.093 R)
• M25: 43,324,740 km (0.046 R)
• M26: 44,170,118 km (0.108 R)
• M27: 49,934,722 km (0.059 R)
• M28: 50,863,725 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.2

Radius: 4.7

Gravity: 42.43 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.75 AU - 9.29 AU

Year: 18699 Days

Day: 20.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 80,765,902 km

• M1: 66,272 km (0.115 R)
• M2: 270,623 km (0.048 R)
• M3: 505,940 km (0.104 R)
• M4: 753,824 km (0.089 R)
• M5: 1,245,402 km (0.081 R)
• M6: 1,647,073 km (0.109 R)
• M7: 3,983,043 km (0.102 R)
• M8: 4,146,554 km (0.114 R)
• M9: 4,452,182 km (0.102 R)
• M10: 4,845,924 km (0.051 R)
• M11: 5,539,908 km (0.051 R)
• M12: 7,914,176 km (0.025 R)
• M13: 8,984,100 km (0.05 R)
• M14: 9,152,398 km (0.042 R)
• M15: 9,495,575 km (0.052 R)
• M16: 9,847,280 km (0.102 R)
• M17: 10,146,924 km (0.102 R)
• M18: 10,390,919 km (0.077 R)
• M19: 13,195,280 km (0.061 R)
• M20: 13,559,551 km (0.098 R)
• M21: 18,019,512 km (0.114 R)
• M22: 18,831,679 km (0.113 R)
• M23: 22,842,248 km (0.116 R)
• M24: 24,007,616 km (0.106 R)
• M25: 26,227,199 km (0.099 R)
• M26: 26,802,852 km (0.106 R)
• M27: 33,699,912 km (0.098 R)
• M28: 37,481,298 km (0.049 R)
• M29: 42,790,975 km (0.079 R)
• M30: 43,427,963 km (0.081 R)
• M31: 45,212,366 km (0.026 R)
• M32: 45,873,140 km (0.118 R)
• M33: 47,553,274 km (0.111 R)
• M34: 49,973,618 km (0.103 R)
• M35: 51,572,220 km (0.102 R)
• M36: 52,293,432 km (0.093 R)
• M37: 52,474,894 km (0.117 R)
• M38: 55,058,300 km (0.101 R)
• M39: 58,698,315 km (0.072 R)
• M40: 65,395,812 km (0.115 R)
• M41: 76,019,654 km (0.087 R)
• M42: 76,485,651 km (0.107 R)
• M43: 79,082,820 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 19,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit