🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.3

Radius: 12.6

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.01 AU - 1.51 AU

Year: 913 Days

Day: 11 Hours

Environment

Temp: -177 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,368,716 km

• M1: 173,534 km (0.049 R)
• M2: 859,889 km (0.066 R)
• M3: 2,095,417 km (0.119 R)
• M4: 2,794,937 km (0.045 R)
• M5: 3,740,545 km (0.092 R)
• M6: 4,379,328 km (0.096 R)
• M7: 5,349,021 km (0.067 R)
• M8: 7,012,550 km (0.03 R)
• M9: 7,488,720 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.9

Radius: 10.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.43 AU - 1.71 AU

Year: 1270 Days

Day: 15 Hours

Environment

Temp: -186 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,368,716 km

• M1: 129,402 km (0.07 R)
• M2: 544,387 km (0.1 R)
• M3: 984,952 km (0.118 R)
• M4: 1,479,673 km (0.063 R)
• M5: 2,157,351 km (0.039 R)
• M6: 2,501,127 km (0.03 R)
• M7: 2,868,240 km (0.056 R)
• M8: 3,649,440 km (0.104 R)
• M9: 8,079,781 km (0.085 R)
• M10: 10,124,485 km (0.091 R)
• M11: 10,832,681 km (0.034 R)
• M12: 11,300,474 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.6

Radius: 13.2

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.44 AU - 2.9 AU

Year: 2817 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,368,716 km

• M1: 164,258 km (0.066 R)
• M2: 704,756 km (0.108 R)
• M3: 1,199,177 km (0.062 R)
• M4: 1,917,097 km (0.097 R)
• M5: 2,632,175 km (0.079 R)
• M6: 3,119,265 km (0.07 R)
• M7: 4,575,301 km (0.107 R)
• M8: 5,730,197 km (0.112 R)
• M9: 6,417,449 km (0.106 R)
• M10: 7,188,776 km (0.055 R)
• M11: 9,229,590 km (0.089 R)
• M12: 11,922,053 km (0.11 R)
• M13: 12,517,602 km (0.054 R)
• M14: 14,140,739 km (0.027 R)
• M15: 14,954,252 km (0.106 R)
• M16: 15,951,023 km (0.091 R)
• M17: 17,205,102 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 11.7

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.38 AU - 3.66 AU

Year: 3389 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,368,716 km

• M1: 146,008 km (0.119 R)
• M2: 585,077 km (0.089 R)
• M3: 998,416 km (0.085 R)
• M4: 1,656,796 km (0.061 R)
• M5: 2,424,233 km (0.095 R)
• M6: 3,760,741 km (0.081 R)
• M7: 4,705,152 km (0.061 R)
• M8: 5,747,999 km (0.117 R)
• M9: 6,612,076 km (0.1 R)
• M10: 7,276,440 km (0.094 R)
• M11: 8,017,997 km (0.098 R)
• M12: 9,501,559 km (0.11 R)
• M13: 10,348,134 km (0.11 R)
• M14: 12,191,329 km (0.115 R)
• M15: 14,791,639 km (0.102 R)
• M16: 15,456,452 km (0.097 R)
• M17: 16,572,452 km (0.038 R)
• M18: 20,430,282 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.6

Radius: 5.2

Gravity: 26.87 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.4 AU - 8.58 AU

Year: 11932 Days

Day: 18.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,368,716 km

• M1: 64,626 km (0.108 R)
• M2: 265,237 km (0.117 R)
• M3: 478,264 km (0.115 R)
• M4: 1,432,250 km (0.101 R)
• M5: 1,765,255 km (0.111 R)
• M6: 3,248,518 km (0.106 R)
• M7: 3,740,844 km (0.037 R)
• M8: 4,019,096 km (0.073 R)
• M9: 4,341,181 km (0.102 R)
• M10: 4,523,989 km (0.111 R)
• M11: 7,524,025 km (0.052 R)
• M12: 7,743,784 km (0.05 R)
• M13: 8,150,242 km (0.098 R)
• M14: 10,398,847 km (0.05 R)
• M15: 12,655,830 km (0.105 R)
• M16: 13,669,356 km (0.077 R)
• M17: 14,464,319 km (0.119 R)
• M18: 15,149,926 km (0.095 R)
• M19: 15,359,662 km (0.1 R)
• M20: 18,109,720 km (0.12 R)
• M21: 19,394,317 km (0.076 R)
• M22: 22,961,328 km (0.065 R)
• M23: 23,611,182 km (0.067 R)
• M24: 37,882,220 km (0.092 R)
• M25: 42,144,563 km (0.115 R)
• M26: 49,580,325 km (0.041 R)
• M27: 50,508,729 km (0.066 R)
• M28: 54,338,435 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.8

Radius: 3

Gravity: 78.53 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.22 AU - 8.76 AU

Year: 13235 Days

Day: 24.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,368,716 km

• M1: 37,250 km (0.116 R)
• M2: 171,589 km (0.047 R)
• M3: 355,445 km (0.11 R)
• M4: 1,373,907 km (0.048 R)
• M5: 2,647,882 km (0.089 R)
• M6: 2,805,409 km (0.042 R)
• M7: 3,213,961 km (0.059 R)
• M8: 7,029,155 km (0.096 R)
• M9: 7,287,511 km (0.048 R)
• M10: 7,686,937 km (0.088 R)
• M11: 10,284,704 km (0.105 R)
• M12: 11,839,475 km (0.111 R)
• M13: 12,894,888 km (0.062 R)
• M14: 13,216,822 km (0.046 R)
• M15: 14,351,672 km (0.094 R)
• M16: 18,547,144 km (0.113 R)
• M17: 20,921,861 km (0.11 R)
• M18: 27,409,771 km (0.116 R)
• M19: 28,480,293 km (0.116 R)
• M20: 29,578,341 km (0.062 R)
• M21: 32,564,764 km (0.111 R)
• M22: 33,161,210 km (0.031 R)
• M23: 37,803,083 km (0.033 R)
• M24: 41,034,546 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.3

Radius: 6.3

Gravity: 19.79 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.72 AU - 8.32 AU

Year: 14665 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 112 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,368,716 km

• M1: 79,287 km (0.048 R)
• M2: 443,109 km (0.101 R)
• M3: 1,176,138 km (0.05 R)
• M4: 1,438,084 km (0.099 R)
• M5: 2,298,571 km (0.105 R)
• M6: 4,406,704 km (0.053 R)
• M7: 6,623,147 km (0.117 R)
• M8: 7,186,383 km (0.096 R)
• M9: 9,598,499 km (0.085 R)
• M10: 12,118,924 km (0.106 R)
• M11: 13,428,952 km (0.097 R)
• M12: 14,048,287 km (0.099 R)
• M13: 14,329,531 km (0.108 R)
• M14: 23,324,402 km (0.081 R)
• M15: 29,375,487 km (0.069 R)
• M16: 31,125,782 km (0.118 R)
• M17: 31,484,069 km (0.111 R)
• M18: 41,359,323 km (0.025 R)
• M19: 44,002,867 km (0.098 R)
• M20: 46,135,235 km (0.06 R)
• M21: 47,699,879 km (0.111 R)
• M22: 56,586,891 km (0.053 R)
• M23: 58,378,774 km (0.036 R)
• M24: 59,105,969 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.1

Radius: 7.6

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.62 AU - 10.3 AU

Year: 15888 Days

Day: 18.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,368,716 km

• M1: 94,695 km (0.088 R)
• M2: 553,063 km (0.092 R)
• M3: 842,386 km (0.114 R)
• M4: 1,143,676 km (0.119 R)
• M5: 1,562,999 km (0.1 R)
• M6: 3,017,688 km (0.059 R)
• M7: 3,349,796 km (0.106 R)
• M8: 3,706,138 km (0.11 R)
• M9: 4,658,627 km (0.084 R)
• M10: 9,099,889 km (0.069 R)
• M11: 12,283,631 km (0.054 R)
• M12: 12,867,062 km (0.056 R)
• M13: 13,266,190 km (0.096 R)
• M14: 14,513,237 km (0.092 R)
• M15: 16,999,404 km (0.059 R)
• M16: 18,218,029 km (0.114 R)
• M17: 18,976,639 km (0.108 R)
• M18: 19,407,033 km (0.08 R)
• M19: 21,938,827 km (0.114 R)
• M20: 22,990,949 km (0.055 R)
• M21: 23,976,350 km (0.119 R)
• M22: 25,195,573 km (0.116 R)
• M23: 28,987,430 km (0.068 R)
• M24: 35,687,320 km (0.1 R)
• M25: 45,004,275 km (0.084 R)
• M26: 46,078,388 km (0.079 R)
• M27: 47,012,477 km (0.07 R)
• M28: 48,757,836 km (0.09 R)
• M29: 50,217,761 km (0.114 R)
• M30: 55,995,680 km (0.054 R)
• M31: 59,044,185 km (0.092 R)
• M32: 59,777,364 km (0.102 R)
• M33: 60,888,278 km (0.076 R)
• M34: 63,917,934 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.4

Radius: 5.7

Gravity: 28.27 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.82 AU - 10.9 AU

Year: 17028 Days

Day: 22 Hours

Environment

Temp: -224 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,368,716 km

• M1: 70,909 km (0.076 R)
• M2: 421,567 km (0.047 R)
• M3: 620,682 km (0.078 R)
• M4: 987,047 km (0.091 R)
• M5: 1,205,609 km (0.105 R)
• M6: 3,271,705 km (0.117 R)
• M7: 4,202,653 km (0.101 R)
• M8: 4,746,890 km (0.112 R)
• M9: 7,210,468 km (0.032 R)
• M10: 11,927,588 km (0.113 R)
• M11: 18,898,849 km (0.11 R)
• M12: 20,845,117 km (0.093 R)
• M13: 24,167,237 km (0.114 R)
• M14: 24,699,506 km (0.106 R)
• M15: 26,567,834 km (0.051 R)
• M16: 29,003,437 km (0.057 R)
• M17: 29,242,793 km (0.116 R)
• M18: 30,955,988 km (0.092 R)
• M19: 32,348,146 km (0.09 R)
• M20: 33,124,858 km (0.061 R)
• M21: 34,715,383 km (0.12 R)
• M22: 35,529,494 km (0.069 R)
• M23: 42,198,268 km (0.054 R)
• M24: 45,340,871 km (0.093 R)
• M25: 52,441,085 km (0.03 R)
• M26: 61,816,982 km (0.079 R)
• M27: 69,646,934 km (0.098 R)
• M28: 74,244,825 km (0.115 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: 433 - 20,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit