🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.3

Radius: 14.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.44 AU - 0.7 AU

Year: 287 Days

Day: 9.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,225,096 km

• M1: 191,784 km (0.105 R)
• M2: 808,876 km (0.099 R)
• M3: 1,403,078 km (0.064 R)
• M4: 1,972,897 km (0.05 R)
• M5: 3,005,122 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.4

Radius: 8.8

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.6 AU - 1.88 AU

Year: 1531 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,225,096 km

• M1: 109,506 km (0.119 R)
• M2: 468,840 km (0.105 R)
• M3: 812,915 km (0.116 R)
• M4: 1,953,449 km (0.1 R)
• M5: 3,106,699 km (0.101 R)
• M6: 3,645,999 km (0.101 R)
• M7: 3,929,188 km (0.1 R)
• M8: 4,284,782 km (0.081 R)
• M9: 4,974,877 km (0.077 R)
• M10: 6,121,694 km (0.088 R)
• M11: 7,296,636 km (0.095 R)
• M12: 7,691,126 km (0.089 R)
• M13: 8,339,782 km (0.114 R)
• M14: 9,612,112 km (0.082 R)
• M15: 11,756,448 km (0.06 R)
• M16: 12,457,314 km (0.052 R)
• M17: 12,980,757 km (0.079 R)
• M18: 14,114,559 km (0.092 R)
• M19: 14,906,381 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 9.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.88 AU - 3.74 AU

Year: 4016 Days

Day: 13.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,225,096 km

• M1: 113,246 km (0.096 R)
• M2: 495,917 km (0.097 R)
• M3: 1,083,238 km (0.114 R)
• M4: 1,791,435 km (0.096 R)
• M5: 2,104,692 km (0.114 R)
• M6: 2,548,250 km (0.051 R)
• M7: 3,245,227 km (0.106 R)
• M8: 5,224,556 km (0.104 R)
• M9: 7,154,069 km (0.091 R)
• M10: 9,722,216 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.7

Radius: 10.4

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.81 AU - 4.49 AU

Year: 4650 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,225,096 km

• M1: 143,016 km (0.117 R)
• M2: 736,770 km (0.108 R)
• M3: 3,109,691 km (0.04 R)
• M4: 3,698,658 km (0.114 R)
• M5: 5,043,842 km (0.081 R)
• M6: 5,706,710 km (0.101 R)
• M7: 6,075,020 km (0.087 R)
• M8: 10,143,783 km (0.101 R)
• M9: 11,778,738 km (0.071 R)
• M10: 12,684,703 km (0.1 R)
• M11: 14,185,618 km (0.116 R)
• M12: 16,716,066 km (0.118 R)
• M13: 19,190,415 km (0.098 R)
• M14: 21,090,457 km (0.118 R)
• M15: 26,510,687 km (0.104 R)
• M16: 29,494,567 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.7

Radius: 11.3

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.01 AU - 4.43 AU

Year: 4785 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,225,096 km

• M1: 144,512 km (0.043 R)
• M2: 556,205 km (0.074 R)
• M3: 1,382,135 km (0.069 R)
• M4: 1,770,491 km (0.059 R)
• M5: 2,311,586 km (0.115 R)
• M6: 2,922,843 km (0.093 R)
• M7: 3,277,540 km (0.115 R)
• M8: 3,887,450 km (0.113 R)
• M9: 4,443,805 km (0.111 R)
• M10: 4,970,090 km (0.041 R)
• M11: 5,479,172 km (0.119 R)
• M12: 6,148,323 km (0.095 R)
• M13: 6,973,954 km (0.104 R)
• M14: 7,467,776 km (0.101 R)
• M15: 9,298,405 km (0.044 R)
• M16: 10,029,041 km (0.082 R)
• M17: 10,937,100 km (0.079 R)
• M18: 11,751,212 km (0.098 R)
• M19: 13,074,106 km (0.05 R)
• M20: 14,892,917 km (0.109 R)
• M21: 16,317,837 km (0.088 R)
• M22: 18,158,339 km (0.098 R)
• M23: 20,559,235 km (0.064 R)
• M24: 21,576,351 km (0.082 R)
• M25: 22,932,905 km (0.104 R)
• M26: 23,868,490 km (0.096 R)
• M27: 27,430,415 km (0.109 R)
• M28: 28,130,084 km (0.092 R)
• M29: 28,573,343 km (0.113 R)

Asteroid Belt

Center: 4.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 11.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.26 AU - 4.34 AU

Year: 5946 Days

Day: 11.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,225,096 km

• M1: 144,512 km (0.084 R)
• M2: 1,043,894 km (0.081 R)
• M3: 2,976,998 km (0.105 R)
• M4: 3,341,119 km (0.1 R)
• M5: 4,001,893 km (0.087 R)
• M6: 5,039,354 km (0.078 R)
• M7: 5,462,716 km (0.054 R)
• M8: 8,232,969 km (0.051 R)
• M9: 9,161,523 km (0.096 R)
• M10: 9,758,568 km (0.075 R)
• M11: 12,579,835 km (0.113 R)
• M12: 13,229,688 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 12.6

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.87 AU - 5.67 AU

Year: 8068 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,225,096 km

• M1: 156,928 km (0.077 R)
• M2: 738,714 km (0.065 R)
• M3: 1,421,030 km (0.111 R)
• M4: 2,089,134 km (0.057 R)
• M5: 2,798,827 km (0.075 R)
• M6: 3,232,511 km (0.11 R)
• M7: 5,075,706 km (0.102 R)
• M8: 5,823,247 km (0.058 R)
• M9: 7,538,087 km (0.101 R)
• M10: 9,614,057 km (0.066 R)
• M11: 10,175,647 km (0.077 R)
• M12: 12,261,789 km (0.092 R)
• M13: 12,923,012 km (0.071 R)
• M14: 13,841,393 km (0.114 R)
• M15: 14,987,911 km (0.104 R)
• M16: 16,196,662 km (0.116 R)
• M17: 16,925,653 km (0.073 R)
• M18: 18,378,098 km (0.097 R)
• M19: 21,136,833 km (0.081 R)
• M20: 33,543,134 km (0.084 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 14,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit