🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.7

Radius: 13.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.75 AU - 1.01 AU

Year: 525 Days

Day: 9.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,155,019 km

• M1: 175,628 km (0.107 R)
• M2: 648,357 km (0.101 R)
• M3: 1,111,961 km (0.104 R)
• M4: 2,111,424 km (0.113 R)
• M5: 2,768,309 km (0.067 R)
• M6: 3,425,342 km (0.096 R)
• M7: 4,034,954 km (0.075 R)
• M8: 4,731,332 km (0.084 R)
• M9: 5,726,158 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.4

Radius: 11.2

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.11 AU - 2.97 AU

Year: 2574 Days

Day: 12.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 95,155,019 km

• M1: 139,425 km (0.059 R)
• M2: 747,391 km (0.112 R)
• M3: 1,127,818 km (0.036 R)
• M4: 2,154,808 km (0.064 R)
• M5: 2,730,760 km (0.111 R)
• M6: 3,240,439 km (0.094 R)
• M7: 6,403,387 km (0.095 R)
• M8: 11,593,536 km (0.058 R)
• M9: 13,360,287 km (0.086 R)
• M10: 15,680,550 km (0.058 R)
• M11: 16,312,451 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 13

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.54 AU - 3.62 AU

Year: 3437 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,155,019 km

• M1: 161,715 km (0.082 R)
• M2: 587,770 km (0.11 R)
• M3: 991,983 km (0.089 R)
• M4: 1,399,638 km (0.104 R)
• M5: 2,418,698 km (0.103 R)
• M6: 2,893,821 km (0.03 R)
• M7: 4,733,725 km (0.091 R)
• M8: 5,457,031 km (0.087 R)
• M9: 6,105,388 km (0.104 R)
• M10: 8,040,886 km (0.089 R)
• M11: 8,806,527 km (0.094 R)
• M12: 9,902,182 km (0.065 R)
• M13: 10,696,098 km (0.104 R)
• M14: 11,219,092 km (0.084 R)
• M15: 15,814,589 km (0.073 R)
• M16: 17,075,400 km (0.041 R)
• M17: 17,972,688 km (0.052 R)
• M18: 19,154,212 km (0.066 R)
• M19: 22,938,141 km (0.062 R)
• M20: 23,371,077 km (0.074 R)
• M21: 24,853,592 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.3

Radius: 14

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.07 AU - 3.39 AU

Year: 3691 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 95,155,019 km

• M1: 177,273 km (0.12 R)
• M2: 723,605 km (0.06 R)
• M3: 1,209,948 km (0.117 R)
• M4: 2,022,414 km (0.101 R)
• M5: 2,478,089 km (0.081 R)
• M6: 2,935,559 km (0.09 R)
• M7: 3,525,423 km (0.071 R)
• M8: 5,367,422 km (0.092 R)
• M9: 6,542,812 km (0.047 R)
• M10: 7,949,930 km (0.099 R)
• M11: 10,366,983 km (0.117 R)
• M12: 11,272,050 km (0.079 R)
• M13: 11,787,415 km (0.061 R)
• M14: 12,958,467 km (0.111 R)
• M15: 13,668,458 km (0.082 R)
• M16: 16,882,569 km (0.117 R)
• M17: 18,724,567 km (0.097 R)
• M18: 20,506,727 km (0.09 R)
• M19: 22,399,588 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 8.1

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.37 AU - 5.39 AU

Year: 5828 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,155,019 km

• M1: 100,679 km (0.115 R)
• M2: 369,656 km (0.077 R)
• M3: 650,003 km (0.095 R)
• M4: 1,034,170 km (0.098 R)
• M5: 1,395,449 km (0.11 R)
• M6: 3,300,279 km (0.108 R)
• M7: 4,068,613 km (0.114 R)
• M8: 4,719,364 km (0.115 R)
• M9: 6,506,011 km (0.096 R)
• M10: 7,602,863 km (0.103 R)
• M11: 8,140,219 km (0.114 R)
• M12: 14,440,982 km (0.115 R)
• M13: 15,097,716 km (0.106 R)
• M14: 15,377,165 km (0.036 R)
• M15: 15,831,494 km (0.025 R)
• M16: 18,175,393 km (0.104 R)
• M17: 19,661,199 km (0.072 R)
• M18: 22,074,811 km (0.098 R)
• M19: 23,614,173 km (0.059 R)
• M20: 26,498,420 km (0.06 R)
• M21: 27,982,880 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567

Radius: 5

Gravity: 22.68 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.04 AU - 8.1 AU

Year: 11953 Days

Day: 21.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 125.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 95,155,019 km

• M1: 62,233 km (0.101 R)
• M2: 338,241 km (0.09 R)
• M3: 993,629 km (0.105 R)
• M4: 1,736,682 km (0.109 R)
• M5: 2,105,141 km (0.118 R)
• M6: 2,463,727 km (0.106 R)
• M7: 2,884,247 km (0.065 R)
• M8: 3,759,694 km (0.098 R)
• M9: 4,229,281 km (0.115 R)
• M10: 4,799,548 km (0.116 R)
• M11: 5,251,484 km (0.112 R)
• M12: 5,626,077 km (0.052 R)
• M13: 6,621,052 km (0.091 R)
• M14: 6,896,911 km (0.101 R)
• M15: 7,139,558 km (0.107 R)
• M16: 9,636,496 km (0.103 R)
• M17: 9,991,043 km (0.041 R)
• M18: 10,354,267 km (0.076 R)
• M19: 10,780,172 km (0.049 R)
• M20: 10,942,785 km (0.056 R)
• M21: 11,553,294 km (0.105 R)
• M22: 11,838,128 km (0.093 R)
• M23: 12,127,750 km (0.088 R)
• M24: 13,710,196 km (0.1 R)
• M25: 16,765,733 km (0.091 R)
• M26: 19,195,352 km (0.069 R)
• M27: 23,994,451 km (0.084 R)
• M28: 25,982,607 km (0.06 R)
• M29: 27,873,674 km (0.045 R)
• M30: 29,324,474 km (0.066 R)
• M31: 32,150,826 km (0.111 R)
• M32: 43,330,574 km (0.054 R)
• M33: 49,632,385 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.5

Radius: 7.6

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.93 AU - 9.59 AU

Year: 17916 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 95,155,019 km

• M1: 94,546 km (0.089 R)
• M2: 1,253,630 km (0.113 R)
• M3: 1,569,581 km (0.044 R)
• M4: 2,261,621 km (0.085 R)
• M5: 2,849,839 km (0.093 R)
• M6: 3,932,629 km (0.067 R)
• M7: 4,583,080 km (0.109 R)
• M8: 5,559,356 km (0.062 R)
• M9: 7,775,948 km (0.08 R)
• M10: 8,155,178 km (0.085 R)
• M11: 8,696,723 km (0.115 R)
• M12: 9,742,561 km (0.109 R)
• M13: 10,016,625 km (0.116 R)
• M14: 11,770,809 km (0.1 R)
• M15: 13,448,699 km (0.059 R)
• M16: 13,720,369 km (0.086 R)
• M17: 18,663,980 km (0.109 R)
• M18: 19,516,987 km (0.097 R)
• M19: 20,754,461 km (0.119 R)
• M20: 32,231,011 km (0.05 R)
• M21: 37,591,103 km (0.113 R)
• M22: 40,340,412 km (0.069 R)
• M23: 41,763,986 km (0.039 R)
• M24: 42,197,520 km (0.047 R)
• M25: 44,260,624 km (0.099 R)
• M26: 49,387,792 km (0.088 R)
• M27: 52,177,344 km (0.085 R)
• M28: 56,644,037 km (0.096 R)
• M29: 57,175,409 km (0.113 R)
• M30: 60,617,356 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.6

Radius: 5.3

Gravity: 25.8 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.9 AU - 9.92 AU

Year: 18353 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 95,155,019 km

• M1: 65,973 km (0.042 R)
• M2: 245,939 km (0.118 R)
• M3: 419,024 km (0.087 R)
• M4: 1,039,705 km (0.049 R)
• M5: 1,671,607 km (0.096 R)
• M6: 2,266,109 km (0.037 R)
• M7: 3,043,569 km (0.101 R)
• M8: 3,507,172 km (0.093 R)
• M9: 4,016,553 km (0.114 R)
• M10: 5,523,901 km (0.087 R)
• M11: 5,963,121 km (0.05 R)
• M12: 6,296,724 km (0.096 R)
• M13: 7,708,778 km (0.06 R)
• M14: 8,359,230 km (0.099 R)
• M15: 8,937,575 km (0.105 R)
• M16: 13,683,418 km (0.071 R)
• M17: 14,936,300 km (0.096 R)
• M18: 18,618,353 km (0.117 R)
• M19: 20,620,720 km (0.105 R)
• M20: 20,999,652 km (0.102 R)
• M21: 21,771,277 km (0.065 R)
• M22: 22,561,752 km (0.115 R)
• M23: 28,404,148 km (0.085 R)
• M24: 30,189,598 km (0.094 R)
• M25: 40,248,858 km (0.105 R)
• M26: 41,437,862 km (0.06 R)
• M27: 43,574,868 km (0.087 R)
• M28: 46,916,136 km (0.109 R)
• M29: 59,472,484 km (0.092 R)
• M30: 68,699,681 km (0.101 R)
• M31: 71,254,663 km (0.034 R)
• M32: 71,903,020 km (0.093 R)
• M33: 72,773,829 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.3

Radius: 3.6

Gravity: 73.79 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.8 AU - 12.5 AU

Year: 23673 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 95,155,019 km

• M1: 44,879 km (0.09 R)
• M2: 221,704 km (0.089 R)
• M3: 554,559 km (0.088 R)
• M4: 1,247,796 km (0.087 R)
• M5: 1,376,151 km (0.106 R)
• M6: 1,584,989 km (0.064 R)
• M7: 1,755,232 km (0.057 R)
• M8: 2,177,696 km (0.046 R)
• M9: 2,388,480 km (0.085 R)
• M10: 3,279,634 km (0.104 R)
• M11: 3,556,839 km (0.099 R)
• M12: 4,519,352 km (0.081 R)
• M13: 6,991,157 km (0.102 R)
• M14: 9,856,555 km (0.103 R)
• M15: 13,187,950 km (0.097 R)
• M16: 16,304,223 km (0.095 R)
• M17: 17,658,533 km (0.109 R)
• M18: 17,938,131 km (0.114 R)
• M19: 19,578,472 km (0.074 R)
• M20: 20,691,480 km (0.117 R)
• M21: 26,649,664 km (0.107 R)
• M22: 28,650,386 km (0.11 R)
• M23: 29,165,750 km (0.117 R)
• M24: 31,018,371 km (0.096 R)
• M25: 40,491,207 km (0.108 R)
• M26: 44,317,172 km (0.072 R)
• M27: 47,833,919 km (0.111 R)
• M28: 57,429,575 km (0.056 R)
• M29: 62,029,560 km (0.106 R)
• M30: 64,199,178 km (0.096 R)
• M31: 65,524,915 km (0.11 R)
• M32: 66,868,752 km (0.106 R)
• M33: 71,245,537 km (0.09 R)
• M34: 72,666,418 km (0.075 R)
• M35: 73,144,084 km (0.107 R)
• M36: 88,198,566 km (0.089 R)
• M37: 88,470,086 km (0.113 R)
• M38: 92,890,554 km (0.082 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 14,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit