🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 14.2

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.67 AU - 0.95 AU

Year: 471 Days

Day: 5.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,525,842 km

• M1: 176,675 km (0.097 R)
• M2: 971,339 km (0.119 R)
• M3: 1,800,111 km (0.085 R)
• M4: 2,420,942 km (0.116 R)
• M5: 3,640,165 km (0.073 R)
• M6: 4,099,580 km (0.102 R)
• M7: 4,721,010 km (0.096 R)
• M8: 6,534,734 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.6

Radius: 12.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.92 AU - 1.2 AU

Year: 705 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,525,842 km

• M1: 156,779 km (0.088 R)
• M2: 565,630 km (0.106 R)
• M3: 971,788 km (0.106 R)
• M4: 1,406,519 km (0.104 R)
• M5: 2,410,620 km (0.094 R)
• M6: 2,843,706 km (0.102 R)
• M7: 3,242,534 km (0.098 R)
• M8: 3,655,723 km (0.098 R)
• M9: 4,129,350 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 13.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1 AU - 1.2 AU

Year: 745 Days

Day: 6.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,525,842 km

• M1: 171,589 km (0.091 R)
• M2: 675,883 km (0.102 R)
• M3: 1,110,914 km (0.114 R)
• M4: 1,932,655 km (0.108 R)
• M5: 2,445,028 km (0.08 R)
• M6: 3,266,619 km (0.107 R)
• M7: 3,804,723 km (0.061 R)
• M8: 4,960,516 km (0.06 R)
• M9: 6,201,879 km (0.066 R)
• M10: 6,802,514 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.9

Radius: 13.5

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.13 AU - 1.71 AU

Year: 1093 Days

Day: 11.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,525,842 km

• M1: 167,849 km (0.032 R)
• M2: 632,051 km (0.109 R)
• M3: 1,091,616 km (0.084 R)
• M4: 1,557,314 km (0.099 R)
• M5: 1,994,289 km (0.055 R)
• M6: 2,744,822 km (0.054 R)
• M7: 3,292,500 km (0.119 R)
• M8: 4,042,583 km (0.076 R)
• M9: 4,773,818 km (0.081 R)
• M10: 6,253,939 km (0.104 R)
• M11: 7,209,720 km (0.053 R)
• M12: 9,236,173 km (0.116 R)
• M13: 10,040,261 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 10.5

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.56 AU - 1.84 AU

Year: 1431 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,525,842 km

• M1: 133,142 km (0.098 R)
• M2: 632,500 km (0.117 R)
• M3: 959,970 km (0.119 R)
• M4: 1,330,523 km (0.08 R)
• M5: 2,045,900 km (0.047 R)
• M6: 2,839,218 km (0.102 R)
• M7: 3,584,664 km (0.084 R)
• M8: 4,105,265 km (0.103 R)
• M9: 5,396,145 km (0.104 R)
• M10: 5,869,921 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.2

Radius: 11.2

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.61 AU - 1.85 AU

Year: 1469 Days

Day: 11.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,525,842 km

• M1: 139,575 km (0.102 R)
• M2: 533,915 km (0.112 R)
• M3: 925,412 km (0.055 R)
• M4: 1,320,650 km (0.094 R)
• M5: 1,701,077 km (0.069 R)
• M6: 2,717,146 km (0.117 R)
• M7: 3,454,065 km (0.11 R)
• M8: 4,432,435 km (0.08 R)
• M9: 5,631,013 km (0.11 R)
• M10: 6,233,893 km (0.12 R)
• M11: 6,802,664 km (0.089 R)
• M12: 7,324,910 km (0.049 R)
• M13: 7,987,030 km (0.082 R)
• M14: 9,526,392 km (0.112 R)
• M15: 10,315,521 km (0.112 R)
• M16: 10,970,760 km (0.108 R)
• M17: 12,061,628 km (0.097 R)
• M18: 13,103,876 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.1

Radius: 12.2

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.38 AU - 4.32 AU

Year: 4878 Days

Day: 13 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,525,842 km

• M1: 151,692 km (0.096 R)
• M2: 548,575 km (0.117 R)
• M3: 994,078 km (0.118 R)
• M4: 1,407,566 km (0.112 R)
• M5: 2,065,348 km (0.107 R)
• M6: 2,532,842 km (0.108 R)
• M7: 3,306,861 km (0.119 R)
• M8: 3,727,829 km (0.106 R)
• M9: 4,679,272 km (0.067 R)
• M10: 5,667,815 km (0.095 R)
• M11: 6,212,052 km (0.098 R)
• M12: 6,724,873 km (0.034 R)
• M13: 7,690,378 km (0.092 R)
• M14: 10,597,064 km (0.114 R)
• M15: 14,553,928 km (0.073 R)
• M16: 15,288,005 km (0.105 R)
• M17: 17,262,697 km (0.102 R)
• M18: 19,000,426 km (0.109 R)
• M19: 20,500,294 km (0.09 R)
• M20: 22,971,651 km (0.059 R)
• M21: 24,831,451 km (0.113 R)
• M22: 26,539,410 km (0.11 R)
• M23: 27,549,944 km (0.11 R)
• M24: 28,498,544 km (0.113 R)
• M25: 29,558,146 km (0.089 R)
• M26: 30,007,388 km (0.089 R)
• M27: 30,735,481 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.4

Radius: 4.5

Gravity: 42 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.03 AU - 7.09 AU

Year: 9632 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,525,842 km

• M1: 56,099 km (0.107 R)
• M2: 215,421 km (0.072 R)
• M3: 627,713 km (0.078 R)
• M4: 1,305,541 km (0.119 R)
• M5: 1,522,458 km (0.105 R)
• M6: 1,942,828 km (0.101 R)
• M7: 2,766,663 km (0.082 R)
• M8: 3,033,097 km (0.073 R)
• M9: 3,854,688 km (0.09 R)
• M10: 5,400,932 km (0.105 R)
• M11: 5,641,186 km (0.076 R)
• M12: 6,033,282 km (0.115 R)
• M13: 7,277,039 km (0.077 R)
• M14: 7,741,391 km (0.058 R)
• M15: 7,958,906 km (0.083 R)
• M16: 8,180,460 km (0.061 R)
• M17: 10,842,704 km (0.06 R)
• M18: 11,280,727 km (0.104 R)
• M19: 12,309,212 km (0.068 R)
• M20: 12,785,681 km (0.103 R)
• M21: 13,028,628 km (0.108 R)
• M22: 14,224,364 km (0.092 R)
• M23: 15,837,029 km (0.085 R)
• M24: 19,340,611 km (0.107 R)
• M25: 20,311,501 km (0.119 R)
• M26: 24,149,135 km (0.116 R)
• M27: 30,987,254 km (0.115 R)
• M28: 32,202,288 km (0.098 R)
• M29: 36,279,129 km (0.063 R)
• M30: 38,756,620 km (0.116 R)
• M31: 42,545,634 km (0.069 R)
• M32: 44,599,015 km (0.07 R)
• M33: 49,944,596 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.2

Radius: 4.1

Gravity: 52.72 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.53 AU - 8.91 AU

Year: 16626 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 77,525,842 km

• M1: 88,562 km (0.113 R)
• M2: 243,545 km (0.041 R)
• M3: 492,626 km (0.067 R)
• M4: 691,292 km (0.074 R)
• M5: 841,638 km (0.109 R)
• M6: 1,154,746 km (0.087 R)
• M7: 1,476,830 km (0.049 R)
• M8: 1,950,607 km (0.037 R)
• M9: 2,904,592 km (0.087 R)
• M10: 3,058,828 km (0.064 R)
• M11: 5,324,338 km (0.104 R)
• M12: 5,594,960 km (0.043 R)
• M13: 6,038,817 km (0.116 R)
• M14: 6,505,862 km (0.081 R)
• M15: 6,725,920 km (0.115 R)
• M16: 7,042,170 km (0.05 R)
• M17: 7,368,443 km (0.104 R)
• M18: 9,428,705 km (0.1 R)
• M19: 11,585,158 km (0.095 R)
• M20: 14,491,247 km (0.098 R)
• M21: 15,094,874 km (0.078 R)
• M22: 15,636,717 km (0.066 R)
• M23: 15,793,945 km (0.092 R)
• M24: 19,252,947 km (0.117 R)
• M25: 20,074,389 km (0.099 R)
• M26: 20,729,328 km (0.085 R)
• M27: 30,217,424 km (0.089 R)
• M28: 31,700,686 km (0.057 R)
• M29: 33,491,822 km (0.058 R)
• M30: 36,994,955 km (0.099 R)
• M31: 41,632,040 km (0.089 R)
• M32: 41,934,078 km (0.062 R)
• M33: 45,035,392 km (0.087 R)
• M34: 45,833,945 km (0.089 R)
• M35: 50,652,343 km (0.077 R)
• M36: 53,985,683 km (0.087 R)
• M37: 57,649,335 km (0.109 R)
• M38: 59,541,748 km (0.094 R)
• M39: 63,051,912 km (0.089 R)
• M40: 64,655,153 km (0.108 R)
• M41: 70,053,541 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.7

Radius: 5.3

Gravity: 27.12 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.62 AU - 9.78 AU

Year: 19506 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,525,842 km

• M1: 66,122 km (0.111 R)
• M2: 525,238 km (0.102 R)
• M3: 743,053 km (0.113 R)
• M4: 971,937 km (0.101 R)
• M5: 1,641,986 km (0.099 R)
• M6: 2,627,986 km (0.074 R)
• M7: 3,502,236 km (0.118 R)
• M8: 4,249,477 km (0.071 R)
• M9: 5,404,522 km (0.093 R)
• M10: 5,602,291 km (0.063 R)
• M11: 7,030,801 km (0.113 R)
• M12: 7,854,038 km (0.105 R)
• M13: 10,160,837 km (0.095 R)
• M14: 13,023,691 km (0.117 R)
• M15: 13,596,352 km (0.045 R)
• M16: 13,815,363 km (0.107 R)
• M17: 14,715,045 km (0.112 R)
• M18: 16,464,891 km (0.056 R)
• M19: 18,526,799 km (0.056 R)
• M20: 19,159,149 km (0.058 R)
• M21: 19,619,611 km (0.034 R)
• M22: 21,142,517 km (0.087 R)
• M23: 22,335,261 km (0.082 R)
• M24: 26,069,374 km (0.057 R)
• M25: 31,074,320 km (0.108 R)
• M26: 33,934,931 km (0.101 R)
• M27: 36,542,571 km (0.118 R)
• M28: 36,966,232 km (0.092 R)
• M29: 37,679,515 km (0.063 R)
• M30: 50,897,833 km (0.092 R)
• M31: 51,603,038 km (0.116 R)
• M32: 52,493,594 km (0.111 R)
• M33: 52,672,961 km (0.046 R)
• M34: 55,784,597 km (0.076 R)
• M35: 58,245,183 km (0.111 R)
• M36: 58,630,098 km (0.055 R)
• M37: 62,170,631 km (0.118 R)
• M38: 73,417,848 km (0.03 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: 193 - 15,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit