🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.49 AU - 0.69 AU

Year: 297 Days

Day: 39.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.7

Radius: 12.5

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.59 AU - 0.98 AU

Year: 452 Days

Day: 12.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,131,016 km

• M1: 155,432 km (0.068 R)
• M2: 581,637 km (0.064 R)
• M3: 993,629 km (0.093 R)
• M4: 1,393,504 km (0.036 R)
• M5: 1,926,970 km (0.112 R)
• M6: 2,338,664 km (0.093 R)
• M7: 2,740,035 km (0.075 R)
• M8: 3,265,422 km (0.071 R)
• M9: 3,745,781 km (0.054 R)
• M10: 4,273,114 km (0.117 R)
• M11: 4,938,525 km (0.087 R)
• M12: 5,367,123 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.1

Radius: 11

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.16 AU - 1.34 AU

Year: 917 Days

Day: 10.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,131,016 km

• M1: 136,882 km (0.092 R)
• M2: 673,190 km (0.084 R)
• M3: 1,114,803 km (0.108 R)
• M4: 1,490,294 km (0.094 R)
• M5: 2,122,345 km (0.045 R)
• M6: 2,799,874 km (0.095 R)
• M7: 3,391,982 km (0.113 R)
• M8: 4,184,103 km (0.117 R)
• M9: 5,061,195 km (0.108 R)
• M10: 5,534,523 km (0.11 R)
• M11: 6,309,889 km (0.093 R)
• M12: 6,713,803 km (0.039 R)
• M13: 7,528,662 km (0.026 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.5

Radius: 9.1

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.06 AU - 2.2 AU

Year: 2039 Days

Day: 6.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,131,016 km

• M1: 118,930 km (0.087 R)
• M2: 519,703 km (0.081 R)
• M3: 859,589 km (0.044 R)
• M4: 1,245,402 km (0.07 R)
• M5: 1,619,098 km (0.065 R)
• M6: 2,018,823 km (0.094 R)
• M7: 2,307,996 km (0.059 R)
• M8: 3,213,362 km (0.055 R)
• M9: 3,963,147 km (0.116 R)
• M10: 4,462,056 km (0.075 R)
• M11: 5,931,855 km (0.075 R)
• M12: 6,749,407 km (0.106 R)
• M13: 7,432,471 km (0.112 R)
• M14: 7,882,312 km (0.073 R)
• M15: 8,350,104 km (0.079 R)
• M16: 10,299,215 km (0.096 R)
• M17: 10,745,166 km (0.104 R)
• M18: 12,450,133 km (0.082 R)
• M19: 13,389,009 km (0.072 R)
• M20: 14,328,334 km (0.094 R)
• M21: 14,790,891 km (0.107 R)
• M22: 17,306,230 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.5

Radius: 14.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.76 AU - 2.66 AU

Year: 2155 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,131,016 km

• M1: 180,415 km (0.079 R)
• M2: 722,408 km (0.054 R)
• M3: 1,202,168 km (0.101 R)
• M4: 1,904,530 km (0.048 R)
• M5: 2,856,871 km (0.089 R)
• M6: 4,659,824 km (0.063 R)
• M7: 5,351,265 km (0.068 R)
• M8: 6,464,423 km (0.08 R)
• M9: 6,994,448 km (0.034 R)
• M10: 7,524,922 km (0.038 R)
• M11: 8,479,207 km (0.088 R)
• M12: 9,445,759 km (0.115 R)
• M13: 10,701,184 km (0.089 R)
• M14: 14,637,254 km (0.082 R)
• M15: 16,075,787 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.5

Radius: 9.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.49 AU - 3.55 AU

Year: 3443 Days

Day: 10.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,131,016 km

• M1: 119,379 km (0.099 R)
• M2: 419,472 km (0.088 R)
• M3: 721,660 km (0.095 R)
• M4: 1,034,020 km (0.05 R)
• M5: 1,759,271 km (0.048 R)
• M6: 2,317,720 km (0.098 R)
• M7: 2,733,303 km (0.096 R)
• M8: 3,069,150 km (0.096 R)
• M9: 3,769,717 km (0.04 R)
• M10: 4,367,211 km (0.102 R)
• M11: 5,116,546 km (0.05 R)
• M12: 5,605,881 km (0.073 R)
• M13: 6,126,033 km (0.05 R)
• M14: 7,671,828 km (0.111 R)
• M15: 9,258,163 km (0.103 R)
• M16: 10,308,939 km (0.082 R)
• M17: 10,901,047 km (0.107 R)
• M18: 12,813,656 km (0.037 R)
• M19: 16,581,727 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.1

Radius: 11.6

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4 AU - 5.04 AU

Year: 6304 Days

Day: 14.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,131,016 km

• M1: 144,362 km (0.103 R)
• M2: 1,188,256 km (0.088 R)
• M3: 2,212,104 km (0.111 R)
• M4: 4,076,243 km (0.113 R)
• M5: 5,407,514 km (0.118 R)
• M6: 6,232,696 km (0.053 R)
• M7: 6,660,097 km (0.104 R)
• M8: 7,540,181 km (0.09 R)
• M9: 13,743,706 km (0.041 R)
• M10: 20,625,507 km (0.092 R)
• M11: 21,302,886 km (0.103 R)
• M12: 21,925,214 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.3

Radius: 3.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.1 AU - 6.1 AU

Year: 9883 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,131,016 km

• M1: 42,336 km (0.095 R)
• M2: 210,484 km (0.096 R)
• M3: 513,569 km (0.114 R)
• M4: 2,116,959 km (0.114 R)
• M5: 2,228,111 km (0.086 R)
• M6: 3,704,791 km (0.116 R)
• M7: 4,262,492 km (0.063 R)
• M8: 5,995,883 km (0.056 R)
• M9: 7,251,009 km (0.114 R)
• M10: 9,681,077 km (0.09 R)
• M11: 11,319,921 km (0.067 R)
• M12: 11,508,564 km (0.044 R)
• M13: 12,008,670 km (0.069 R)

Asteroid Belt

Center: 7.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.1

Radius: 4.7

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.19 AU - 8.35 AU

Year: 15602 Days

Day: 23.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,131,016 km

• M1: 58,493 km (0.032 R)
• M2: 233,971 km (0.091 R)
• M3: 405,261 km (0.077 R)
• M4: 597,494 km (0.088 R)
• M5: 1,002,007 km (0.112 R)
• M6: 1,640,191 km (0.034 R)
• M7: 1,893,460 km (0.11 R)
• M8: 2,155,107 km (0.081 R)
• M9: 2,592,681 km (0.049 R)
• M10: 4,858,191 km (0.074 R)
• M11: 5,130,459 km (0.092 R)
• M12: 5,509,091 km (0.081 R)
• M13: 5,838,655 km (0.118 R)
• M14: 6,322,156 km (0.045 R)
• M15: 6,537,277 km (0.078 R)
• M16: 7,486,775 km (0.034 R)
• M17: 7,687,087 km (0.092 R)
• M18: 10,379,399 km (0.081 R)
• M19: 11,400,704 km (0.106 R)
• M20: 11,719,647 km (0.104 R)
• M21: 12,099,177 km (0.106 R)
• M22: 12,487,084 km (0.043 R)
• M23: 13,113,151 km (0.096 R)
• M24: 13,463,210 km (0.043 R)
• M25: 13,759,863 km (0.063 R)
• M26: 14,304,548 km (0.111 R)
• M27: 15,372,677 km (0.102 R)
• M28: 22,500,417 km (0.098 R)
• M29: 26,447,258 km (0.101 R)
• M30: 40,388,583 km (0.057 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 15,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit