🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191

Radius: 9.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.94 AU - 1.02 AU

Year: 636 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,660,939 km

• M1: 123,119 km (0.115 R)
• M2: 434,731 km (0.081 R)
• M3: 811,568 km (0.116 R)
• M4: 1,328,878 km (0.086 R)
• M5: 1,895,255 km (0.117 R)
• M6: 2,442,335 km (0.083 R)
• M7: 3,198,253 km (0.096 R)
• M8: 4,154,034 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.6

Radius: 8.3

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.96 AU - 1.04 AU

Year: 656 Days

Day: 9.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,660,939 km

• M1: 104,419 km (0.077 R)
• M2: 1,240,914 km (0.084 R)
• M3: 3,207,528 km (0.113 R)
• M4: 3,502,385 km (0.056 R)
• M5: 4,087,911 km (0.11 R)
• M6: 4,640,376 km (0.115 R)
• M7: 5,224,257 km (0.118 R)
• M8: 6,007,551 km (0.049 R)
• M9: 6,278,772 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 11.7

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.18 AU - 1.4 AU

Year: 961 Days

Day: 13.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,660,939 km

• M1: 145,559 km (0.099 R)
• M2: 559,496 km (0.113 R)
• M3: 961,166 km (0.025 R)
• M4: 1,350,270 km (0.108 R)
• M5: 2,879,011 km (0.119 R)
• M6: 3,398,864 km (0.049 R)
• M7: 3,900,615 km (0.112 R)
• M8: 4,646,211 km (0.096 R)
• M9: 5,207,352 km (0.103 R)
• M10: 5,729,898 km (0.097 R)
• M11: 6,556,575 km (0.112 R)
• M12: 7,142,550 km (0.073 R)
• M13: 7,788,813 km (0.105 R)
• M14: 9,487,796 km (0.061 R)
• M15: 9,873,310 km (0.103 R)
• M16: 10,300,262 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571

Radius: 12

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.93 AU - 4.17 AU

Year: 5347 Days

Day: 15 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,660,939 km

• M1: 149,299 km (0.098 R)
• M2: 605,722 km (0.082 R)
• M3: 1,280,857 km (0.057 R)
• M4: 2,202,081 km (0.086 R)
• M5: 2,737,342 km (0.093 R)
• M6: 3,757,300 km (0.082 R)
• M7: 6,099,255 km (0.092 R)
• M8: 7,613,335 km (0.105 R)
• M9: 9,694,690 km (0.078 R)
• M10: 10,161,286 km (0.12 R)
• M11: 11,889,740 km (0.109 R)
• M12: 12,623,218 km (0.036 R)
• M13: 14,727,462 km (0.06 R)
• M14: 17,862,883 km (0.08 R)
• M15: 23,627,039 km (0.099 R)
• M16: 28,149,233 km (0.111 R)
• M17: 29,363,968 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.1

Radius: 13.5

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.53 AU - 4.71 AU

Year: 5486 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,660,939 km

• M1: 167,849 km (0.106 R)
• M2: 669,151 km (0.052 R)
• M3: 1,524,701 km (0.101 R)
• M4: 2,582,658 km (0.115 R)
• M5: 3,722,294 km (0.096 R)
• M6: 4,321,284 km (0.082 R)
• M7: 5,568,033 km (0.067 R)
• M8: 6,774,240 km (0.104 R)
• M9: 8,451,532 km (0.082 R)
• M10: 10,084,991 km (0.119 R)
• M11: 11,775,148 km (0.119 R)
• M12: 17,782,848 km (0.103 R)
• M13: 18,231,193 km (0.046 R)
• M14: 18,818,814 km (0.074 R)
• M15: 20,377,923 km (0.113 R)
• M16: 20,939,812 km (0.119 R)
• M17: 22,763,111 km (0.071 R)
• M18: 23,829,295 km (0.104 R)
• M19: 24,848,805 km (0.084 R)
• M20: 27,567,447 km (0.107 R)
• M21: 28,866,405 km (0.104 R)
• M22: 29,486,488 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.7

Radius: 8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.55 AU - 5.71 AU

Year: 6536 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,660,939 km

• M1: 99,483 km (0.066 R)
• M2: 498,011 km (0.047 R)
• M3: 1,127,818 km (0.114 R)
• M4: 1,386,922 km (0.076 R)
• M5: 1,698,235 km (0.087 R)
• M6: 2,042,609 km (0.098 R)
• M7: 2,448,319 km (0.091 R)
• M8: 2,872,578 km (0.083 R)
• M9: 3,212,764 km (0.101 R)
• M10: 3,640,315 km (0.12 R)
• M11: 4,127,405 km (0.104 R)
• M12: 4,802,540 km (0.041 R)
• M13: 6,253,191 km (0.076 R)
• M14: 7,174,863 km (0.087 R)
• M15: 7,668,237 km (0.104 R)
• M16: 8,722,902 km (0.091 R)
• M17: 9,361,984 km (0.071 R)
• M18: 10,316,718 km (0.026 R)
• M19: 12,511,917 km (0.079 R)
• M20: 12,985,544 km (0.071 R)
• M21: 13,471,139 km (0.083 R)
• M22: 13,918,436 km (0.087 R)
• M23: 17,332,260 km (0.111 R)
• M24: 20,736,658 km (0.097 R)
• M25: 21,266,385 km (0.112 R)
• M26: 23,618,811 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.1

Radius: 7.1

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.3 AU - 6.32 AU

Year: 10398 Days

Day: 25 Hours

Environment

Temp: -228 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,660,939 km

• M1: 101,876 km (0.065 R)
• M2: 844,779 km (0.057 R)
• M3: 1,171,052 km (0.08 R)
• M4: 1,833,771 km (0.067 R)
• M5: 2,257,282 km (0.078 R)
• M6: 2,702,635 km (0.093 R)
• M7: 3,394,226 km (0.055 R)
• M8: 4,060,385 km (0.105 R)
• M9: 5,683,821 km (0.106 R)
• M10: 7,367,695 km (0.118 R)
• M11: 9,600,743 km (0.07 R)
• M12: 11,796,241 km (0.105 R)
• M13: 12,021,386 km (0.06 R)
• M14: 13,190,493 km (0.097 R)
• M15: 13,494,177 km (0.109 R)
• M16: 15,889,089 km (0.028 R)
• M17: 16,511,715 km (0.068 R)
• M18: 21,251,574 km (0.111 R)
• M19: 24,110,240 km (0.08 R)
• M20: 29,118,926 km (0.104 R)
• M21: 30,365,825 km (0.1 R)
• M22: 35,126,777 km (0.095 R)
• M23: 39,602,446 km (0.105 R)
• M24: 39,854,668 km (0.104 R)
• M25: 40,234,946 km (0.08 R)
• M26: 44,852,733 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.4

Radius: 7

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.31 AU - 8.61 AU

Year: 13366 Days

Day: 20.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,660,939 km

• M1: 87,216 km (0.066 R)
• M2: 353,201 km (0.098 R)
• M3: 933,640 km (0.106 R)
• M4: 1,341,295 km (0.116 R)
• M5: 1,639,443 km (0.037 R)
• M6: 2,678,699 km (0.084 R)
• M7: 3,036,687 km (0.087 R)
• M8: 3,477,253 km (0.086 R)
• M9: 3,931,582 km (0.089 R)
• M10: 4,516,210 km (0.079 R)
• M11: 5,784,351 km (0.108 R)
• M12: 6,461,431 km (0.096 R)
• M13: 9,449,948 km (0.12 R)
• M14: 11,500,037 km (0.084 R)
• M15: 11,731,764 km (0.056 R)
• M16: 12,506,532 km (0.075 R)
• M17: 14,025,548 km (0.116 R)
• M18: 15,035,334 km (0.08 R)
• M19: 17,578,199 km (0.077 R)
• M20: 20,058,232 km (0.106 R)
• M21: 23,683,886 km (0.117 R)
• M22: 24,059,526 km (0.106 R)
• M23: 24,726,284 km (0.113 R)
• M24: 25,112,695 km (0.033 R)
• M25: 26,396,694 km (0.118 R)
• M26: 28,774,552 km (0.114 R)
• M27: 29,094,841 km (0.103 R)
• M28: 29,742,600 km (0.067 R)
• M29: 29,960,714 km (0.12 R)
• M30: 34,070,616 km (0.081 R)
• M31: 34,309,374 km (0.117 R)
• M32: 37,388,846 km (0.114 R)
• M33: 41,321,475 km (0.1 R)
• M34: 43,107,973 km (0.102 R)
• M35: 45,521,136 km (0.104 R)
• M36: 49,231,313 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.9

Radius: 7.7

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.26 AU - 8.94 AU

Year: 13745 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,660,939 km

• M1: 95,743 km (0.069 R)
• M2: 425,756 km (0.079 R)
• M3: 797,057 km (0.093 R)
• M4: 1,046,288 km (0.106 R)
• M5: 2,328,341 km (0.109 R)
• M6: 3,214,260 km (0.057 R)
• M7: 3,636,575 km (0.119 R)
• M8: 4,215,967 km (0.1 R)
• M9: 5,233,532 km (0.066 R)
• M10: 6,406,379 km (0.094 R)
• M11: 8,456,169 km (0.084 R)
• M12: 8,802,339 km (0.115 R)
• M13: 9,843,989 km (0.112 R)
• M14: 10,849,735 km (0.05 R)
• M15: 13,460,368 km (0.118 R)
• M16: 16,310,506 km (0.064 R)
• M17: 17,238,312 km (0.091 R)
• M18: 19,625,146 km (0.107 R)
• M19: 22,223,811 km (0.111 R)
• M20: 24,641,013 km (0.031 R)
• M21: 28,532,054 km (0.076 R)
• M22: 31,029,740 km (0.106 R)
• M23: 34,540,054 km (0.108 R)
• M24: 40,776,640 km (0.113 R)
• M25: 42,914,692 km (0.077 R)
• M26: 48,663,888 km (0.106 R)
• M27: 52,216,239 km (0.114 R)
• M28: 54,394,683 km (0.053 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 15,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit