🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 9.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.52 AU - 0.66 AU

Year: 313 Days

Day: 11.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,970,351 km

• M1: 118,182 km (0.068 R)
• M2: 461,360 km (0.117 R)
• M3: 791,223 km (0.081 R)
• M4: 1,093,710 km (0.106 R)
• M5: 1,430,006 km (0.102 R)
• M6: 2,088,835 km (0.056 R)
• M7: 2,397,904 km (0.041 R)
• M8: 2,891,727 km (0.12 R)
• M9: 3,197,804 km (0.069 R)
• M10: 3,589,751 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.5

Radius: 8.7

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.26 AU - 1.46 AU

Year: 1095 Days

Day: 12.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,970,351 km

• M1: 108,159 km (0.06 R)
• M2: 378,782 km (0.09 R)
• M3: 746,344 km (0.094 R)
• M4: 1,073,215 km (0.093 R)
• M5: 1,618,051 km (0.072 R)
• M6: 1,911,562 km (0.075 R)
• M7: 2,219,883 km (0.116 R)
• M8: 2,572,934 km (0.064 R)
• M9: 3,268,115 km (0.118 R)
• M10: 3,697,162 km (0.108 R)
• M11: 4,003,688 km (0.095 R)
• M12: 4,394,138 km (0.073 R)
• M13: 5,194,636 km (0.091 R)
• M14: 5,964,318 km (0.051 R)
• M15: 7,461,194 km (0.081 R)
• M16: 8,946,551 km (0.093 R)
• M17: 9,360,788 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.3

Radius: 11.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.47 AU - 1.71 AU

Year: 1384 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,970,351 km

• M1: 141,968 km (0.08 R)
• M2: 721,511 km (0.119 R)
• M3: 1,279,062 km (0.075 R)
• M4: 1,771,837 km (0.067 R)
• M5: 2,222,725 km (0.067 R)
• M6: 3,199,001 km (0.119 R)
• M7: 3,596,034 km (0.045 R)
• M8: 4,540,595 km (0.09 R)
• M9: 5,527,342 km (0.103 R)
• M10: 6,352,075 km (0.102 R)
• M11: 6,893,919 km (0.063 R)
• M12: 7,971,771 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.8

Radius: 13.3

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.9 AU - 4.34 AU

Year: 4754 Days

Day: 13 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,970,351 km

• M1: 207,642 km (0.078 R)
• M2: 689,646 km (0.103 R)
• M3: 1,461,870 km (0.073 R)
• M4: 3,878,774 km (0.115 R)
• M5: 4,407,452 km (0.115 R)
• M6: 5,359,344 km (0.089 R)
• M7: 5,987,804 km (0.105 R)
• M8: 8,620,727 km (0.083 R)
• M9: 9,772,182 km (0.093 R)
• M10: 10,800,667 km (0.106 R)
• M11: 12,042,629 km (0.111 R)
• M12: 13,326,478 km (0.068 R)
• M13: 14,054,570 km (0.112 R)
• M14: 14,919,096 km (0.091 R)
• M15: 17,114,296 km (0.045 R)
• M16: 18,479,526 km (0.08 R)
• M17: 21,496,316 km (0.09 R)
• M18: 21,993,430 km (0.111 R)
• M19: 23,010,845 km (0.072 R)
• M20: 24,672,578 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.9

Radius: 12.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.76 AU - 5.34 AU

Year: 6699 Days

Day: 13.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,970,351 km

• M1: 159,172 km (0.119 R)
• M2: 1,584,989 km (0.071 R)
• M3: 2,677,503 km (0.047 R)
• M4: 3,637,323 km (0.099 R)
• M5: 4,840,239 km (0.118 R)
• M6: 5,323,141 km (0.054 R)
• M7: 5,927,367 km (0.093 R)
• M8: 6,355,217 km (0.104 R)
• M9: 6,969,017 km (0.085 R)
• M10: 7,446,234 km (0.09 R)
• M11: 7,945,442 km (0.102 R)
• M12: 8,697,171 km (0.09 R)
• M13: 10,740,230 km (0.074 R)
• M14: 11,802,075 km (0.095 R)
• M15: 13,761,209 km (0.037 R)
• M16: 14,790,442 km (0.034 R)
• M17: 16,699,012 km (0.078 R)
• M18: 18,443,173 km (0.03 R)
• M19: 19,693,812 km (0.118 R)
• M20: 21,567,375 km (0.056 R)
• M21: 23,481,181 km (0.088 R)
• M22: 24,324,165 km (0.063 R)
• M23: 25,505,839 km (0.08 R)
• M24: 25,908,257 km (0.108 R)
• M25: 26,891,115 km (0.074 R)
• M26: 27,644,490 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.6

Radius: 3.2

Gravity: 77.6 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.27 AU - 9.11 AU

Year: 17682 Days

Day: 15.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,970,351 km

• M1: 39,793 km (0.034 R)
• M2: 255,064 km (0.102 R)
• M3: 382,671 km (0.066 R)
• M4: 528,828 km (0.08 R)
• M5: 721,511 km (0.033 R)
• M6: 1,246,001 km (0.105 R)
• M7: 1,425,069 km (0.12 R)
• M8: 1,672,953 km (0.107 R)
• M9: 1,929,364 km (0.061 R)
• M10: 2,566,501 km (0.086 R)
• M11: 2,882,003 km (0.055 R)
• M12: 3,921,409 km (0.09 R)
• M13: 4,078,636 km (0.117 R)
• M14: 4,439,616 km (0.09 R)
• M15: 5,038,905 km (0.109 R)
• M16: 5,377,146 km (0.109 R)
• M17: 5,810,680 km (0.088 R)
• M18: 6,267,104 km (0.11 R)
• M19: 7,204,334 km (0.088 R)
• M20: 8,078,734 km (0.108 R)
• M21: 8,859,485 km (0.06 R)
• M22: 10,035,175 km (0.107 R)
• M23: 19,975,205 km (0.082 R)
• M24: 20,818,788 km (0.098 R)
• M25: 21,491,081 km (0.088 R)
• M26: 29,505,338 km (0.087 R)
• M27: 33,643,215 km (0.108 R)
• M28: 37,584,819 km (0.091 R)
• M29: 43,046,039 km (0.054 R)
• M30: 44,135,411 km (0.069 R)
• M31: 46,694,133 km (0.07 R)
• M32: 51,233,082 km (0.079 R)
• M33: 51,580,598 km (0.079 R)
• M34: 51,754,879 km (0.119 R)
• M35: 55,873,458 km (0.094 R)
• M36: 65,365,144 km (0.093 R)
• M37: 72,328,626 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.2

Radius: 3.7

Gravity: 54.58 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.95 AU - 11.35 AU

Year: 19105 Days

Day: 16.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,970,351 km

• M1: 46,226 km (0.052 R)
• M2: 224,696 km (0.113 R)
• M3: 432,338 km (0.102 R)
• M4: 888,013 km (0.041 R)
• M5: 1,365,081 km (0.077 R)
• M6: 2,055,176 km (0.093 R)
• M7: 3,529,612 km (0.061 R)
• M8: 3,707,783 km (0.036 R)
• M9: 4,549,720 km (0.065 R)
• M10: 5,202,565 km (0.062 R)
• M11: 5,671,106 km (0.093 R)
• M12: 6,209,808 km (0.113 R)
• M13: 6,602,203 km (0.068 R)
• M14: 6,918,602 km (0.039 R)
• M15: 7,436,211 km (0.108 R)
• M16: 7,778,790 km (0.097 R)
• M17: 7,928,687 km (0.089 R)
• M18: 9,708,453 km (0.061 R)
• M19: 11,868,945 km (0.092 R)
• M20: 13,959,127 km (0.113 R)
• M21: 14,707,116 km (0.112 R)
• M22: 15,798,433 km (0.081 R)
• M23: 16,282,232 km (0.088 R)
• M24: 21,973,384 km (0.076 R)
• M25: 26,088,073 km (0.084 R)
• M26: 27,566,100 km (0.092 R)
• M27: 34,978,825 km (0.077 R)
• M28: 35,799,668 km (0.076 R)
• M29: 36,076,125 km (0.111 R)
• M30: 39,065,240 km (0.099 R)
• M31: 40,097,166 km (0.094 R)
• M32: 42,833,910 km (0.06 R)
• M33: 42,989,491 km (0.078 R)
• M34: 51,434,291 km (0.053 R)
• M35: 54,660,220 km (0.077 R)
• M36: 55,394,895 km (0.115 R)
• M37: 61,313,435 km (0.091 R)
• M38: 63,713,284 km (0.026 R)
• M39: 72,163,619 km (0.066 R)
• M40: 74,162,696 km (0.052 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 16,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit