🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.8

Radius: 11.1

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.47 AU - 0.69 AU

Year: 300 Days

Day: 5.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,760,185 km

• M1: 138,079 km (0.098 R)
• M2: 505,192 km (0.052 R)
• M3: 854,503 km (0.09 R)
• M4: 1,398,142 km (0.086 R)
• M5: 2,095,118 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.5

Radius: 14

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.61 AU - 0.71 AU

Year: 364 Days

Day: 10.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,760,185 km

• M1: 175,478 km (0.059 R)
• M2: 673,041 km (0.099 R)
• M3: 1,460,075 km (0.088 R)
• M4: 1,989,502 km (0.091 R)
• M5: 2,450,862 km (0.119 R)
• M6: 2,932,118 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 8.1

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.77 AU - 0.81 AU

Year: 476 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,760,185 km

• M1: 100,679 km (0.106 R)
• M2: 365,468 km (0.061 R)
• M3: 629,957 km (0.085 R)
• M4: 936,333 km (0.104 R)
• M5: 1,411,606 km (0.058 R)
• M6: 1,840,203 km (0.114 R)
• M7: 2,123,691 km (0.085 R)
• M8: 2,521,771 km (0.042 R)
• M9: 2,831,588 km (0.093 R)
• M10: 3,144,248 km (0.101 R)
• M11: 3,638,220 km (0.099 R)
• M12: 4,169,293 km (0.092 R)
• M13: 4,855,648 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.6

Radius: 9.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.48 AU - 1.74 AU

Year: 1386 Days

Day: 5.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,760,185 km

• M1: 122,670 km (0.038 R)
• M2: 452,683 km (0.081 R)
• M3: 815,608 km (0.065 R)
• M4: 1,238,521 km (0.097 R)
• M5: 1,543,700 km (0.104 R)
• M6: 1,861,895 km (0.113 R)
• M7: 2,333,278 km (0.104 R)
• M8: 2,670,172 km (0.077 R)
• M9: 4,240,800 km (0.098 R)
• M10: 4,620,779 km (0.107 R)
• M11: 7,038,430 km (0.118 R)
• M12: 8,804,882 km (0.049 R)
• M13: 9,339,245 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.2

Radius: 10.3

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.4 AU - 1.86 AU

Year: 1411 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,760,185 km

• M1: 128,205 km (0.069 R)
• M2: 497,114 km (0.115 R)
• M3: 836,102 km (0.099 R)
• M4: 1,297,462 km (0.09 R)
• M5: 1,883,886 km (0.076 R)
• M6: 2,613,325 km (0.08 R)
• M7: 3,272,753 km (0.103 R)
• M8: 4,039,442 km (0.119 R)
• M9: 4,531,619 km (0.052 R)
• M10: 4,962,012 km (0.08 R)
• M11: 5,440,875 km (0.092 R)
• M12: 6,088,484 km (0.032 R)
• M13: 6,637,957 km (0.087 R)
• M14: 6,962,883 km (0.084 R)
• M15: 7,781,333 km (0.106 R)
• M16: 10,321,056 km (0.066 R)
• M17: 10,656,305 km (0.052 R)
• M18: 11,172,867 km (0.084 R)
• M19: 13,055,257 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 8

Gravity: 15.07 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.61 AU - 2.41 AU

Year: 1933 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,760,185 km

• M1: 99,483 km (0.109 R)
• M2: 388,805 km (0.052 R)
• M3: 647,160 km (0.068 R)
• M4: 1,142,778 km (0.096 R)
• M5: 1,652,308 km (0.049 R)
• M6: 2,773,694 km (0.118 R)
• M7: 3,320,923 km (0.114 R)
• M8: 4,113,941 km (0.088 R)
• M9: 4,937,029 km (0.108 R)
• M10: 5,399,586 km (0.084 R)
• M11: 7,220,491 km (0.059 R)
• M12: 8,253,763 km (0.107 R)
• M13: 8,510,623 km (0.114 R)
• M14: 11,460,244 km (0.087 R)
• M15: 12,606,463 km (0.076 R)
• M16: 13,559,252 km (0.104 R)
• M17: 15,172,814 km (0.082 R)
• M18: 15,803,369 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 12.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.29 AU - 5.31 AU

Year: 6048 Days

Day: 6.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,760,185 km

• M1: 151,991 km (0.088 R)
• M2: 834,607 km (0.052 R)
• M3: 1,936,694 km (0.06 R)
• M4: 3,006,768 km (0.025 R)
• M5: 3,923,503 km (0.108 R)
• M6: 4,458,615 km (0.09 R)
• M7: 6,535,482 km (0.078 R)
• M8: 7,511,608 km (0.045 R)
• M9: 9,905,623 km (0.12 R)
• M10: 12,007,174 km (0.054 R)
• M11: 13,948,805 km (0.025 R)
• M12: 16,360,622 km (0.112 R)
• M13: 17,353,951 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.7

Radius: 11.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.11 AU - 5.23 AU

Year: 7973 Days

Day: 6.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,760,185 km

• M1: 162,314 km (0.107 R)
• M2: 571,015 km (0.091 R)
• M3: 979,866 km (0.094 R)
• M4: 1,396,945 km (0.036 R)
• M5: 3,069,150 km (0.077 R)
• M6: 3,518,542 km (0.09 R)
• M7: 5,314,913 km (0.11 R)
• M8: 6,882,250 km (0.109 R)
• M9: 9,250,085 km (0.059 R)
• M10: 10,761,921 km (0.095 R)
• M11: 11,857,576 km (0.107 R)
• M12: 15,345,002 km (0.1 R)
• M13: 16,281,634 km (0.041 R)
• M14: 19,752,604 km (0.089 R)
• M15: 22,244,605 km (0.085 R)
• M16: 29,331,505 km (0.042 R)
• M17: 32,971,670 km (0.072 R)
• M18: 33,382,316 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366

Radius: 4.1

Gravity: 21.77 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.69 AU - 8.93 AU

Year: 13405 Days

Day: 20.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,760,185 km

• M1: 53,257 km (0.119 R)
• M2: 317,447 km (0.074 R)
• M3: 588,967 km (0.116 R)
• M4: 1,022,651 km (0.105 R)
• M5: 1,203,066 km (0.064 R)
• M6: 1,555,668 km (0.116 R)
• M7: 2,218,237 km (0.104 R)
• M8: 2,962,187 km (0.051 R)
• M9: 3,306,562 km (0.118 R)
• M10: 3,728,577 km (0.076 R)
• M11: 5,373,406 km (0.045 R)
• M12: 5,608,275 km (0.115 R)
• M13: 6,098,357 km (0.082 R)
• M14: 6,390,971 km (0.032 R)
• M15: 7,613,634 km (0.117 R)
• M16: 8,213,821 km (0.113 R)
• M17: 8,798,748 km (0.12 R)
• M18: 11,694,215 km (0.047 R)
• M19: 14,385,481 km (0.107 R)
• M20: 14,707,864 km (0.1 R)
• M21: 14,838,014 km (0.045 R)
• M22: 15,366,992 km (0.088 R)
• M23: 17,028,875 km (0.033 R)
• M24: 19,582,810 km (0.108 R)
• M25: 24,876,181 km (0.045 R)
• M26: 25,621,927 km (0.089 R)
• M27: 29,574,751 km (0.109 R)
• M28: 31,695,450 km (0.034 R)
• M29: 33,463,249 km (0.118 R)
• M30: 35,646,629 km (0.11 R)
• M31: 36,593,734 km (0.081 R)
• M32: 41,063,718 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.6

Radius: 4

Gravity: 46.1 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.66 AU - 9.66 AU

Year: 17285 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,760,185 km

• M1: 50,115 km (0.093 R)
• M2: 216,169 km (0.108 R)
• M3: 476,020 km (0.117 R)
• M4: 686,056 km (0.091 R)
• M5: 944,112 km (0.054 R)
• M6: 1,520,363 km (0.074 R)
• M7: 2,544,959 km (0.069 R)
• M8: 3,778,543 km (0.093 R)
• M9: 4,374,541 km (0.083 R)
• M10: 5,103,681 km (0.093 R)
• M11: 6,114,364 km (0.067 R)
• M12: 6,365,240 km (0.094 R)
• M13: 8,116,732 km (0.094 R)
• M14: 8,267,377 km (0.088 R)
• M15: 8,835,549 km (0.102 R)
• M16: 15,942,346 km (0.102 R)
• M17: 17,395,988 km (0.092 R)
• M18: 18,240,618 km (0.093 R)
• M19: 21,126,959 km (0.066 R)
• M20: 21,412,242 km (0.112 R)
• M21: 21,603,728 km (0.064 R)
• M22: 23,077,416 km (0.111 R)
• M23: 25,038,345 km (0.09 R)
• M24: 25,357,737 km (0.1 R)
• M25: 26,995,983 km (0.038 R)
• M26: 30,360,589 km (0.037 R)
• M27: 31,089,878 km (0.092 R)
• M28: 32,457,352 km (0.036 R)
• M29: 38,328,321 km (0.084 R)
• M30: 40,044,208 km (0.098 R)
• M31: 43,321,748 km (0.097 R)
• M32: 43,782,061 km (0.106 R)
• M33: 50,743,299 km (0.089 R)
• M34: 53,863,761 km (0.096 R)
• M35: 62,219,699 km (0.088 R)
• M36: 69,285,655 km (0.098 R)
• M37: 69,495,092 km (0.091 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 14,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit