🌌 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 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.56 AU - 0.64 AU

Year: 296 Days

Day: 47.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,226,614 km

• M1: 340,934 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 12.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.73 AU - 0.79 AU

Year: 421 Days

Day: 5.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,226,614 km

• M1: 160,369 km (0.109 R)
• M2: 614,398 km (0.107 R)
• M3: 1,030,131 km (0.074 R)
• M4: 2,121,447 km (0.086 R)
• M5: 2,627,836 km (0.032 R)
• M6: 3,070,197 km (0.03 R)
• M7: 3,495,354 km (0.112 R)
• M8: 4,195,173 km (0.113 R)
• M9: 4,599,237 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.6

Radius: 11.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.96 AU - 3.22 AU

Year: 2650 Days

Day: 9.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,226,614 km

• M1: 138,228 km (0.114 R)
• M2: 930,200 km (0.081 R)
• M3: 1,297,911 km (0.037 R)
• M4: 1,706,613 km (0.104 R)
• M5: 2,133,415 km (0.064 R)
• M6: 3,205,583 km (0.033 R)
• M7: 3,710,626 km (0.047 R)
• M8: 4,249,926 km (0.108 R)
• M9: 6,164,479 km (0.085 R)
• M10: 8,596,492 km (0.075 R)
• M11: 9,766,497 km (0.054 R)
• M12: 11,935,965 km (0.079 R)
• M13: 13,192,139 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 10.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.99 AU - 3.51 AU

Year: 3725 Days

Day: 14.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,226,614 km

• M1: 137,331 km (0.119 R)
• M2: 530,175 km (0.073 R)
• M3: 1,927,120 km (0.084 R)
• M4: 2,820,817 km (0.12 R)
• M5: 3,310,002 km (0.066 R)
• M6: 5,705,663 km (0.065 R)
• M7: 6,657,105 km (0.084 R)
• M8: 7,259,087 km (0.093 R)
• M9: 7,772,806 km (0.093 R)
• M10: 8,506,285 km (0.026 R)
• M11: 8,974,975 km (0.107 R)
• M12: 9,425,563 km (0.029 R)
• M13: 9,818,407 km (0.082 R)
• M14: 10,714,050 km (0.107 R)
• M15: 11,460,992 km (0.092 R)
• M16: 13,368,365 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 9.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.47 AU - 5.79 AU

Year: 6334 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,226,614 km

• M1: 114,442 km (0.085 R)
• M2: 419,024 km (0.06 R)
• M3: 845,976 km (0.073 R)
• M4: 2,350,482 km (0.11 R)
• M5: 3,169,380 km (0.076 R)
• M6: 4,100,627 km (0.116 R)
• M7: 6,344,745 km (0.119 R)
• M8: 8,161,312 km (0.119 R)
• M9: 8,591,705 km (0.099 R)
• M10: 9,074,906 km (0.073 R)
• M11: 10,508,203 km (0.103 R)
• M12: 11,813,295 km (0.04 R)
• M13: 12,693,828 km (0.053 R)
• M14: 13,125,867 km (0.067 R)
• M15: 14,070,278 km (0.112 R)
• M16: 14,585,194 km (0.055 R)
• M17: 16,261,588 km (0.105 R)
• M18: 17,823,240 km (0.07 R)
• M19: 19,230,357 km (0.108 R)
• M20: 19,993,157 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.7

Radius: 11.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.59 AU - 5.13 AU

Year: 6812 Days

Day: 11.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,226,614 km

• M1: 147,952 km (0.087 R)
• M2: 629,059 km (0.042 R)
• M3: 1,508,695 km (0.098 R)
• M4: 2,845,950 km (0.088 R)
• M5: 7,767,271 km (0.051 R)
• M6: 12,394,782 km (0.079 R)

Asteroid Belt

Center: 5.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.1

Radius: 8.1

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.08 AU - 6.78 AU

Year: 9182 Days

Day: 14 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,226,614 km

• M1: 100,679 km (0.062 R)
• M2: 520,152 km (0.068 R)
• M3: 1,409,960 km (0.072 R)
• M4: 1,724,115 km (0.104 R)
• M5: 2,133,266 km (0.107 R)
• M6: 2,979,242 km (0.088 R)
• M7: 4,560,641 km (0.045 R)
• M8: 5,722,867 km (0.066 R)
• M9: 6,424,780 km (0.051 R)
• M10: 9,677,486 km (0.082 R)
• M11: 10,285,602 km (0.115 R)
• M12: 12,753,368 km (0.113 R)
• M13: 14,967,865 km (0.104 R)
• M14: 18,185,865 km (0.082 R)
• M15: 20,142,755 km (0.051 R)
• M16: 20,978,708 km (0.056 R)
• M17: 22,155,744 km (0.055 R)
• M18: 22,964,620 km (0.069 R)
• M19: 29,572,208 km (0.103 R)
• M20: 31,351,974 km (0.036 R)
• M21: 31,655,358 km (0.089 R)
• M22: 36,668,233 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.5

Radius: 7.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.61 AU - 7.81 AU

Year: 12309 Days

Day: 20.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,226,614 km

• M1: 96,042 km (0.042 R)
• M2: 1,448,407 km (0.104 R)
• M3: 1,765,404 km (0.075 R)
• M4: 2,892,475 km (0.108 R)
• M5: 3,158,161 km (0.116 R)
• M6: 3,587,507 km (0.117 R)
• M7: 4,078,337 km (0.086 R)
• M8: 4,924,164 km (0.091 R)
• M9: 6,436,598 km (0.117 R)
• M10: 7,830,102 km (0.106 R)
• M11: 9,830,674 km (0.103 R)
• M12: 10,216,188 km (0.113 R)
• M13: 12,198,360 km (0.097 R)
• M14: 14,478,531 km (0.106 R)
• M15: 18,863,992 km (0.078 R)
• M16: 19,863,306 km (0.049 R)
• M17: 21,038,098 km (0.058 R)
• M18: 23,601,308 km (0.096 R)
• M19: 26,039,454 km (0.113 R)
• M20: 27,445,225 km (0.062 R)
• M21: 28,124,100 km (0.09 R)
• M22: 29,163,058 km (0.041 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.9

Radius: 3

Gravity: 42.54 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.41 AU - 10.15 AU

Year: 16542 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,226,614 km

• M1: 37,250 km (0.108 R)
• M2: 205,547 km (0.063 R)
• M3: 359,184 km (0.086 R)
• M4: 452,833 km (0.053 R)
• M5: 700,118 km (0.073 R)
• M6: 869,014 km (0.116 R)
• M7: 985,102 km (0.074 R)
• M8: 1,634,207 km (0.076 R)
• M9: 1,778,719 km (0.059 R)
• M10: 2,901,301 km (0.089 R)
• M11: 3,311,050 km (0.081 R)
• M12: 3,758,198 km (0.037 R)
• M13: 3,981,847 km (0.112 R)
• M14: 4,425,255 km (0.042 R)
• M15: 4,611,504 km (0.062 R)
• M16: 4,770,676 km (0.056 R)
• M17: 4,999,710 km (0.071 R)
• M18: 5,840,750 km (0.062 R)
• M19: 6,217,437 km (0.12 R)
• M20: 6,570,039 km (0.077 R)
• M21: 7,060,870 km (0.098 R)
• M22: 8,535,905 km (0.103 R)
• M23: 10,204,220 km (0.08 R)
• M24: 10,749,804 km (0.117 R)
• M25: 14,915,506 km (0.071 R)
• M26: 15,904,049 km (0.049 R)
• M27: 17,467,197 km (0.072 R)
• M28: 19,211,658 km (0.044 R)
• M29: 35,140,839 km (0.091 R)
• M30: 44,143,489 km (0.072 R)
• M31: 45,293,897 km (0.087 R)
• M32: 45,584,715 km (0.099 R)
• M33: 48,257,431 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 10,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit