🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.2

Radius: 14.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.37 AU - 1.59 AU

Year: 1201 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,801,438 km

• M1: 185,352 km (0.098 R)
• M2: 802,742 km (0.073 R)
• M3: 1,619,696 km (0.116 R)
• M4: 2,252,495 km (0.05 R)
• M5: 2,912,521 km (0.092 R)
• M6: 3,528,715 km (0.095 R)
• M7: 4,043,182 km (0.086 R)
• M8: 4,719,364 km (0.12 R)
• M9: 5,224,855 km (0.093 R)
• M10: 6,140,993 km (0.108 R)
• M11: 6,721,432 km (0.11 R)
• M12: 7,492,161 km (0.105 R)
• M13: 9,121,730 km (0.08 R)
• M14: 10,877,261 km (0.05 R)
• M15: 11,694,963 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.7

Radius: 13.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.87 AU - 2.15 AU

Year: 1900 Days

Day: 12.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,801,438 km

• M1: 171,290 km (0.066 R)
• M2: 614,847 km (0.066 R)
• M3: 1,073,215 km (0.106 R)
• M4: 1,769,892 km (0.067 R)
• M5: 2,357,064 km (0.041 R)
• M6: 2,923,741 km (0.107 R)
• M7: 5,073,761 km (0.098 R)
• M8: 6,709,913 km (0.079 R)
• M9: 7,597,627 km (0.069 R)
• M10: 10,381,344 km (0.039 R)
• M11: 11,364,950 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.3

Radius: 12.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.24 AU - 3.14 AU

Year: 2942 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,801,438 km

• M1: 153,487 km (0.049 R)
• M2: 548,276 km (0.101 R)
• M3: 1,027,737 km (0.09 R)
• M4: 1,510,490 km (0.11 R)
• M5: 1,933,852 km (0.052 R)
• M6: 2,490,655 km (0.076 R)
• M7: 3,381,959 km (0.1 R)
• M8: 4,080,731 km (0.12 R)
• M9: 4,557,050 km (0.066 R)
• M10: 5,250,137 km (0.119 R)
• M11: 5,742,314 km (0.104 R)
• M12: 6,239,578 km (0.105 R)
• M13: 7,095,277 km (0.08 R)
• M14: 7,580,722 km (0.102 R)
• M15: 9,372,905 km (0.091 R)
• M16: 11,126,491 km (0.116 R)
• M17: 12,343,171 km (0.041 R)
• M18: 14,354,514 km (0.104 R)
• M19: 15,747,420 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 12

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.28 AU - 3.48 AU

Year: 3259 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,801,438 km

• M1: 149,299 km (0.101 R)
• M2: 983,905 km (0.095 R)
• M3: 1,421,629 km (0.102 R)
• M4: 2,056,522 km (0.038 R)
• M5: 2,588,342 km (0.074 R)
• M6: 3,105,502 km (0.117 R)
• M7: 3,574,791 km (0.109 R)
• M8: 5,000,758 km (0.057 R)
• M9: 6,376,310 km (0.029 R)
• M10: 7,379,513 km (0.119 R)
• M11: 8,104,764 km (0.093 R)
• M12: 12,426,646 km (0.106 R)
• M13: 13,131,701 km (0.086 R)
• M14: 13,987,850 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.7

Radius: 12.1

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.03 AU - 4.89 AU

Year: 6281 Days

Day: 8.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,801,438 km

• M1: 150,495 km (0.037 R)
• M2: 920,476 km (0.086 R)
• M3: 1,349,971 km (0.036 R)
• M4: 2,263,266 km (0.093 R)
• M5: 3,174,616 km (0.086 R)
• M6: 4,752,724 km (0.094 R)
• M7: 5,493,683 km (0.04 R)
• M8: 7,356,774 km (0.076 R)
• M9: 7,743,485 km (0.08 R)
• M10: 9,563,941 km (0.112 R)
• M11: 10,453,301 km (0.104 R)
• M12: 11,758,393 km (0.11 R)
• M13: 13,625,673 km (0.06 R)
• M14: 15,430,721 km (0.045 R)
• M15: 18,642,887 km (0.049 R)
• M16: 19,954,561 km (0.119 R)
• M17: 21,404,912 km (0.107 R)
• M18: 21,956,629 km (0.12 R)
• M19: 24,089,296 km (0.089 R)
• M20: 25,909,902 km (0.081 R)
• M21: 26,627,075 km (0.098 R)
• M22: 27,634,766 km (0.063 R)
• M23: 28,667,739 km (0.069 R)
• M24: 31,717,142 km (0.071 R)
• M25: 34,543,944 km (0.047 R)
• M26: 35,412,808 km (0.061 R)
• M27: 37,992,025 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.6

Radius: 6

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.81 AU - 8.25 AU

Year: 12430 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,801,438 km

• M1: 74,649 km (0.075 R)
• M2: 437,574 km (0.062 R)
• M3: 633,846 km (0.116 R)
• M4: 1,029,084 km (0.038 R)
• M5: 2,055,325 km (0.087 R)
• M6: 2,663,291 km (0.089 R)
• M7: 2,998,839 km (0.113 R)
• M8: 3,635,976 km (0.043 R)
• M9: 3,924,700 km (0.108 R)
• M10: 4,602,678 km (0.063 R)
• M11: 9,200,568 km (0.105 R)
• M12: 11,371,233 km (0.064 R)
• M13: 12,413,482 km (0.119 R)
• M14: 12,738,109 km (0.081 R)
• M15: 14,269,842 km (0.109 R)
• M16: 16,239,298 km (0.096 R)
• M17: 18,875,960 km (0.106 R)
• M18: 23,468,316 km (0.079 R)
• M19: 23,715,750 km (0.089 R)
• M20: 29,131,792 km (0.095 R)
• M21: 31,570,985 km (0.075 R)
• M22: 31,771,895 km (0.101 R)
• M23: 35,534,132 km (0.114 R)

Asteroid Belt

Center: 7.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.5

Radius: 3.7

Gravity: 51.83 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.27 AU - 9.73 AU

Year: 15089 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,801,438 km

• M1: 46,076 km (0.087 R)
• M2: 274,362 km (0.115 R)
• M3: 571,464 km (0.088 R)
• M4: 894,745 km (0.098 R)
• M5: 1,128,267 km (0.089 R)
• M6: 1,401,134 km (0.089 R)
• M7: 1,982,321 km (0.093 R)
• M8: 2,709,816 km (0.077 R)
• M9: 3,045,513 km (0.087 R)
• M10: 3,171,774 km (0.1 R)
• M11: 3,435,066 km (0.057 R)
• M12: 3,886,403 km (0.079 R)
• M13: 4,249,926 km (0.063 R)
• M14: 4,504,691 km (0.118 R)
• M15: 4,837,397 km (0.032 R)
• M16: 9,808,833 km (0.116 R)
• M17: 13,007,385 km (0.073 R)
• M18: 13,140,079 km (0.073 R)
• M19: 13,886,123 km (0.098 R)
• M20: 14,876,012 km (0.106 R)
• M21: 18,795,177 km (0.087 R)
• M22: 19,393,569 km (0.101 R)
• M23: 21,634,096 km (0.076 R)
• M24: 23,350,283 km (0.047 R)
• M25: 24,041,425 km (0.12 R)
• M26: 26,302,447 km (0.105 R)
• M27: 28,589,200 km (0.081 R)
• M28: 30,069,172 km (0.063 R)
• M29: 30,185,110 km (0.092 R)
• M30: 30,417,735 km (0.092 R)
• M31: 32,201,540 km (0.116 R)
• M32: 32,322,864 km (0.088 R)
• M33: 37,969,286 km (0.103 R)
• M34: 39,061,799 km (0.086 R)
• M35: 41,166,492 km (0.09 R)
• M36: 45,753,312 km (0.115 R)
• M37: 46,368,907 km (0.081 R)
• M38: 50,505,438 km (0.084 R)
• M39: 58,594,494 km (0.119 R)
• M40: 62,283,577 km (0.04 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 17,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit