🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 10.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.71 AU - 0.79 AU

Year: 413 Days

Day: 12.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,454,422 km

• M1: 129,552 km (0.099 R)
• M2: 457,620 km (0.097 R)
• M3: 941,719 km (0.113 R)
• M4: 1,327,382 km (0.093 R)
• M5: 1,669,063 km (0.08 R)
• M6: 2,054,876 km (0.093 R)
• M7: 2,500,229 km (0.089 R)
• M8: 2,870,933 km (0.079 R)
• M9: 3,364,606 km (0.081 R)
• M10: 4,160,466 km (0.071 R)
• M11: 4,576,199 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.3

Radius: 11.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.75 AU - 0.93 AU

Year: 489 Days

Day: 11.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,454,422 km

• M1: 145,858 km (0.109 R)
• M2: 543,938 km (0.064 R)
• M3: 1,064,838 km (0.106 R)
• M4: 1,881,642 km (0.026 R)
• M5: 2,303,807 km (0.053 R)
• M6: 2,741,680 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 9.7

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.02 AU - 1.3 AU

Year: 794 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,454,422 km

• M1: 120,725 km (0.074 R)
• M2: 450,290 km (0.098 R)
• M3: 829,670 km (0.029 R)
• M4: 1,151,455 km (0.103 R)
• M5: 1,835,416 km (0.106 R)
• M6: 2,224,221 km (0.11 R)
• M7: 2,781,623 km (0.115 R)
• M8: 3,131,383 km (0.079 R)
• M9: 3,565,216 km (0.059 R)
• M10: 4,068,912 km (0.115 R)
• M11: 4,702,011 km (0.074 R)
• M12: 5,290,678 km (0.114 R)
• M13: 5,697,136 km (0.109 R)
• M14: 6,489,855 km (0.11 R)
• M15: 7,065,358 km (0.109 R)
• M16: 7,376,970 km (0.069 R)
• M17: 7,744,233 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.2

Radius: 12.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.34 AU - 2.02 AU

Year: 1385 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,454,422 km

• M1: 159,172 km (0.098 R)
• M2: 571,464 km (0.111 R)
• M3: 1,256,772 km (0.116 R)
• M4: 1,730,548 km (0.12 R)
• M5: 2,199,986 km (0.075 R)
• M6: 3,875,782 km (0.114 R)
• M7: 4,513,817 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997

Radius: 8.8

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.52 AU - 2.28 AU

Year: 1665 Days

Day: 11.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,454,422 km

• M1: 109,805 km (0.057 R)
• M2: 406,607 km (0.098 R)
• M3: 745,745 km (0.109 R)
• M4: 1,070,822 km (0.116 R)
• M5: 1,389,914 km (0.111 R)
• M6: 1,699,133 km (0.087 R)
• M7: 2,419,147 km (0.072 R)
• M8: 3,446,735 km (0.105 R)
• M9: 4,431,089 km (0.04 R)
• M10: 5,065,683 km (0.05 R)
• M11: 5,905,675 km (0.076 R)
• M12: 6,462,927 km (0.117 R)
• M13: 7,594,635 km (0.116 R)
• M14: 8,408,896 km (0.094 R)
• M15: 8,724,847 km (0.118 R)
• M16: 9,180,522 km (0.086 R)
• M17: 9,651,905 km (0.089 R)
• M18: 10,606,639 km (0.088 R)
• M19: 10,975,846 km (0.05 R)
• M20: 12,579,835 km (0.098 R)
• M21: 12,993,772 km (0.049 R)
• M22: 13,936,089 km (0.112 R)
• M23: 14,786,104 km (0.11 R)
• M24: 15,670,078 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.7

Radius: 14.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.7 AU - 6.08 AU

Year: 6875 Days

Day: 8.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,454,422 km

• M1: 179,817 km (0.036 R)
• M2: 622,477 km (0.059 R)
• M3: 1,205,011 km (0.088 R)
• M4: 1,761,066 km (0.099 R)
• M5: 2,619,758 km (0.076 R)
• M6: 3,679,060 km (0.12 R)
• M7: 4,698,420 km (0.06 R)
• M8: 5,898,794 km (0.091 R)
• M9: 6,571,236 km (0.071 R)
• M10: 8,107,008 km (0.112 R)
• M11: 8,668,748 km (0.102 R)
• M12: 9,216,426 km (0.086 R)
• M13: 10,123,886 km (0.117 R)
• M14: 10,776,283 km (0.069 R)
• M15: 11,226,572 km (0.115 R)
• M16: 13,566,433 km (0.102 R)
• M17: 18,544,002 km (0.114 R)
• M18: 20,260,788 km (0.054 R)
• M19: 21,298,249 km (0.073 R)
• M20: 23,479,087 km (0.119 R)
• M21: 23,932,518 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.7

Radius: 6.1

Gravity: 16.41 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.66 AU - 8.14 AU

Year: 11524 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,454,422 km

• M1: 75,846 km (0.104 R)
• M2: 524,939 km (0.084 R)
• M3: 838,795 km (0.076 R)
• M4: 1,094,757 km (0.083 R)
• M5: 1,415,794 km (0.076 R)
• M6: 1,719,478 km (0.12 R)
• M7: 2,101,252 km (0.09 R)
• M8: 3,149,185 km (0.097 R)
• M9: 3,489,520 km (0.112 R)
• M10: 4,073,550 km (0.116 R)
• M11: 4,628,558 km (0.113 R)
• M12: 5,852,269 km (0.077 R)
• M13: 6,179,888 km (0.071 R)
• M14: 6,871,778 km (0.096 R)
• M15: 7,195,209 km (0.114 R)
• M16: 7,486,625 km (0.108 R)
• M17: 8,454,075 km (0.115 R)
• M18: 9,502,158 km (0.03 R)
• M19: 13,411,300 km (0.059 R)
• M20: 14,632,617 km (0.076 R)
• M21: 16,637,078 km (0.064 R)
• M22: 18,045,243 km (0.115 R)
• M23: 19,291,244 km (0.073 R)
• M24: 22,302,499 km (0.056 R)
• M25: 23,736,096 km (0.107 R)
• M26: 25,325,424 km (0.084 R)
• M27: 31,611,975 km (0.11 R)
• M28: 35,172,404 km (0.087 R)
• M29: 36,741,835 km (0.104 R)
• M30: 38,105,719 km (0.118 R)
• M31: 41,066,261 km (0.029 R)
• M32: 42,534,714 km (0.117 R)
• M33: 43,487,353 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.6

Radius: 4.2

Gravity: 26.28 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.8 AU - 8.7 AU

Year: 13718 Days

Day: 16.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,454,422 km

• M1: 52,210 km (0.111 R)
• M2: 230,979 km (0.095 R)
• M3: 391,647 km (0.08 R)
• M4: 597,344 km (0.083 R)
• M5: 996,471 km (0.09 R)
• M6: 1,357,750 km (0.089 R)
• M7: 2,296,776 km (0.07 R)
• M8: 3,083,960 km (0.087 R)
• M9: 3,399,163 km (0.029 R)
• M10: 3,925,299 km (0.082 R)
• M11: 5,304,740 km (0.103 R)
• M12: 6,657,853 km (0.047 R)
• M13: 7,955,914 km (0.065 R)
• M14: 8,500,749 km (0.064 R)
• M15: 10,604,245 km (0.051 R)
• M16: 10,821,162 km (0.108 R)
• M17: 12,303,228 km (0.105 R)
• M18: 13,092,656 km (0.084 R)
• M19: 15,873,830 km (0.09 R)
• M20: 17,627,566 km (0.109 R)
• M21: 20,577,636 km (0.057 R)
• M22: 28,566,162 km (0.032 R)
• M23: 28,985,934 km (0.115 R)
• M24: 29,303,530 km (0.052 R)
• M25: 33,297,195 km (0.053 R)
• M26: 34,349,466 km (0.083 R)
• M27: 39,424,424 km (0.111 R)
• M28: 43,715,939 km (0.117 R)
• M29: 46,117,583 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.5

Radius: 5.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.07 AU - 10.05 AU

Year: 15924 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,454,422 km

• M1: 73,303 km (0.107 R)
• M2: 533,167 km (0.091 R)
• M3: 1,682,826 km (0.096 R)
• M4: 2,025,555 km (0.109 R)
• M5: 4,090,754 km (0.064 R)
• M6: 4,309,316 km (0.058 R)
• M7: 5,554,719 km (0.079 R)
• M8: 5,995,284 km (0.108 R)
• M9: 6,206,367 km (0.115 R)
• M10: 7,139,708 km (0.112 R)
• M11: 8,554,754 km (0.08 R)
• M12: 9,234,677 km (0.101 R)
• M13: 9,707,705 km (0.064 R)
• M14: 10,147,074 km (0.106 R)
• M15: 11,012,946 km (0.083 R)
• M16: 11,871,937 km (0.048 R)
• M17: 12,659,570 km (0.066 R)
• M18: 13,481,461 km (0.06 R)
• M19: 14,843,998 km (0.084 R)
• M20: 19,478,840 km (0.106 R)
• M21: 23,225,219 km (0.083 R)
• M22: 23,485,071 km (0.084 R)
• M23: 27,521,670 km (0.037 R)
• M24: 36,002,373 km (0.111 R)
• M25: 37,289,663 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 17,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit