🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478

Radius: 11.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.72 AU - 0.8 AU

Year: 435 Days

Day: 12.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,000,189 km

• M1: 141,819 km (0.044 R)
• M2: 531,521 km (0.118 R)
• M3: 911,799 km (0.094 R)
• M4: 1,354,609 km (0.108 R)
• M5: 1,979,928 km (0.09 R)
• M6: 2,342,703 km (0.111 R)
• M7: 2,701,588 km (0.091 R)
• M8: 3,371,936 km (0.108 R)
• M9: 4,498,707 km (0.114 R)
• M10: 5,073,761 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.1

Radius: 8.1

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.33 AU - 1.69 AU

Year: 1217 Days

Day: 13.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,000,189 km

• M1: 100,979 km (0.09 R)
• M2: 556,055 km (0.111 R)
• M3: 928,704 km (0.088 R)
• M4: 1,363,136 km (0.109 R)
• M5: 1,660,836 km (0.103 R)
• M6: 2,012,690 km (0.085 R)
• M7: 2,282,116 km (0.12 R)
• M8: 3,049,852 km (0.099 R)
• M9: 3,580,775 km (0.116 R)
• M10: 4,826,327 km (0.105 R)
• M11: 5,397,641 km (0.089 R)
• M12: 5,766,100 km (0.092 R)
• M13: 6,338,312 km (0.101 R)
• M14: 7,074,334 km (0.062 R)
• M15: 8,142,762 km (0.111 R)
• M16: 10,070,330 km (0.081 R)
• M17: 10,730,356 km (0.082 R)
• M18: 11,036,583 km (0.114 R)
• M19: 11,954,366 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.6

Radius: 8.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.89 AU - 1.99 AU

Year: 1773 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,000,189 km

• M1: 192,084 km (0.074 R)
• M2: 696,976 km (0.117 R)
• M3: 1,124,078 km (0.117 R)
• M4: 1,748,350 km (0.08 R)
• M5: 2,726,870 km (0.115 R)
• M6: 3,259,887 km (0.082 R)
• M7: 3,707,185 km (0.072 R)
• M8: 5,560,553 km (0.025 R)
• M9: 5,848,529 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.7

Radius: 14.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.23 AU - 4.21 AU

Year: 4707 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,000,189 km

• M1: 182,809 km (0.095 R)
• M2: 802,293 km (0.119 R)
• M3: 1,362,388 km (0.112 R)
• M4: 1,952,851 km (0.05 R)
• M5: 2,502,324 km (0.116 R)
• M6: 4,186,347 km (0.104 R)
• M7: 5,822,349 km (0.027 R)
• M8: 8,353,246 km (0.095 R)
• M9: 9,498,866 km (0.065 R)
• M10: 10,193,150 km (0.113 R)
• M11: 11,141,900 km (0.118 R)
• M12: 15,368,638 km (0.106 R)
• M13: 18,176,440 km (0.098 R)
• M14: 20,629,995 km (0.11 R)
• M15: 23,296,876 km (0.12 R)
• M16: 25,949,695 km (0.097 R)
• M17: 26,503,656 km (0.058 R)
• M18: 26,984,614 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.5

Radius: 5.3

Gravity: 29.99 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.05 AU - 6.65 AU

Year: 10497 Days

Day: 19.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,000,189 km

• M1: 75,248 km (0.085 R)
• M2: 303,833 km (0.077 R)
• M3: 502,649 km (0.066 R)
• M4: 702,063 km (0.088 R)
• M5: 1,279,511 km (0.093 R)
• M6: 1,801,906 km (0.066 R)
• M7: 2,022,264 km (0.097 R)
• M8: 3,797,991 km (0.112 R)
• M9: 4,734,473 km (0.065 R)
• M10: 5,324,188 km (0.045 R)
• M11: 5,707,907 km (0.103 R)
• M12: 5,998,426 km (0.048 R)
• M13: 7,176,509 km (0.12 R)
• M14: 8,224,143 km (0.095 R)
• M15: 8,547,873 km (0.105 R)
• M16: 8,976,770 km (0.097 R)
• M17: 9,877,199 km (0.097 R)
• M18: 12,876,338 km (0.093 R)
• M19: 14,548,094 km (0.074 R)
• M20: 14,953,504 km (0.104 R)
• M21: 15,505,670 km (0.087 R)
• M22: 20,088,301 km (0.113 R)
• M23: 20,422,353 km (0.118 R)
• M24: 24,252,358 km (0.12 R)
• M25: 24,631,289 km (0.094 R)
• M26: 28,116,770 km (0.076 R)
• M27: 29,169,790 km (0.104 R)
• M28: 31,466,566 km (0.101 R)
• M29: 38,558,702 km (0.117 R)
• M30: 39,464,816 km (0.101 R)
• M31: 40,120,803 km (0.12 R)
• M32: 46,064,625 km (0.083 R)
• M33: 48,867,940 km (0.056 R)
• M34: 50,234,815 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.6

Radius: 3.7

Gravity: 70.39 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.5 AU - 7.4 AU

Year: 12020 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,000,189 km

• M1: 46,076 km (0.091 R)
• M2: 259,104 km (0.115 R)
• M3: 382,372 km (0.079 R)
• M4: 517,010 km (0.077 R)
• M5: 874,250 km (0.111 R)
• M6: 1,200,822 km (0.069 R)
• M7: 1,406,519 km (0.085 R)
• M8: 1,978,581 km (0.069 R)
• M9: 2,246,212 km (0.094 R)
• M10: 2,367,985 km (0.054 R)
• M11: 3,756,702 km (0.077 R)
• M12: 4,136,232 km (0.104 R)
• M13: 4,971,287 km (0.076 R)
• M14: 6,145,929 km (0.04 R)
• M15: 6,385,136 km (0.099 R)
• M16: 8,527,378 km (0.119 R)
• M17: 9,336,254 km (0.099 R)
• M18: 10,757,583 km (0.077 R)
• M19: 11,400,106 km (0.105 R)
• M20: 13,884,478 km (0.097 R)
• M21: 19,546,009 km (0.115 R)
• M22: 21,034,209 km (0.083 R)
• M23: 21,668,354 km (0.115 R)
• M24: 26,783,404 km (0.093 R)
• M25: 29,281,689 km (0.066 R)
• M26: 29,844,626 km (0.116 R)
• M27: 34,112,354 km (0.029 R)
• M28: 41,814,250 km (0.118 R)
• M29: 43,394,752 km (0.114 R)
• M30: 52,721,581 km (0.028 R)
• M31: 54,734,420 km (0.071 R)
• M32: 55,416,586 km (0.111 R)
• M33: 56,797,973 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.3

Radius: 5.6

Gravity: 31.29 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.35 AU - 12.13 AU

Year: 21496 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 90,000,189 km

• M1: 69,713 km (0.089 R)
• M2: 338,241 km (0.091 R)
• M3: 594,053 km (0.042 R)
• M4: 778,358 km (0.073 R)
• M5: 988,543 km (0.094 R)
• M6: 1,408,464 km (0.086 R)
• M7: 1,781,411 km (0.058 R)
• M8: 2,240,378 km (0.081 R)
• M9: 2,748,711 km (0.095 R)
• M10: 3,573,145 km (0.082 R)
• M11: 6,828,096 km (0.092 R)
• M12: 8,540,842 km (0.056 R)
• M13: 10,202,874 km (0.088 R)
• M14: 15,947,582 km (0.113 R)
• M15: 17,077,195 km (0.113 R)
• M16: 18,259,168 km (0.115 R)
• M17: 21,502,600 km (0.083 R)
• M18: 22,449,554 km (0.11 R)
• M19: 22,987,508 km (0.072 R)
• M20: 25,573,307 km (0.068 R)
• M21: 31,850,434 km (0.105 R)
• M22: 36,659,557 km (0.099 R)
• M23: 37,105,807 km (0.084 R)
• M24: 40,173,611 km (0.119 R)
• M25: 41,446,688 km (0.081 R)
• M26: 44,408,876 km (0.096 R)
• M27: 45,426,889 km (0.06 R)
• M28: 45,769,618 km (0.081 R)
• M29: 46,286,928 km (0.113 R)
• M30: 48,573,980 km (0.075 R)
• M31: 49,112,233 km (0.1 R)
• M32: 55,689,004 km (0.109 R)
• M33: 60,316,066 km (0.108 R)
• M34: 61,146,035 km (0.12 R)
• M35: 63,041,440 km (0.116 R)
• M36: 63,896,243 km (0.077 R)
• M37: 66,286,817 km (0.078 R)
• M38: 72,639,490 km (0.101 R)
• M39: 77,173,802 km (0.073 R)
• M40: 79,138,171 km (0.06 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: 345 - 17,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit