🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.59 AU - 0.59 AU

Year: 297 Days

Day: 25.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,135,495 km

• M1: 40,391 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.58 AU - 0.74 AU

Year: 352 Days

Day: 25.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 141.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,135,495 km

• M1: 404,812 km (0.073 R)

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 13.6

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.25 AU - 1.27 AU

Year: 928 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,135,495 km

• M1: 169,195 km (0.114 R)
• M2: 602,580 km (0.085 R)
• M3: 1,066,034 km (0.045 R)
• M4: 2,004,462 km (0.07 R)
• M5: 2,818,274 km (0.06 R)
• M6: 3,933,377 km (0.116 R)
• M7: 4,660,722 km (0.115 R)
• M8: 5,343,187 km (0.105 R)
• M9: 6,299,866 km (0.099 R)
• M10: 6,775,138 km (0.048 R)
• M11: 7,533,150 km (0.039 R)
• M12: 8,657,229 km (0.102 R)
• M13: 9,191,443 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.8

Radius: 11.3

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.27 AU - 1.87 AU

Year: 1291 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,135,495 km

• M1: 140,921 km (0.068 R)
• M2: 519,703 km (0.104 R)
• M3: 906,114 km (0.063 R)
• M4: 1,528,441 km (0.097 R)
• M5: 1,991,148 km (0.05 R)
• M6: 2,358,710 km (0.099 R)
• M7: 3,054,789 km (0.081 R)
• M8: 4,130,098 km (0.109 R)
• M9: 4,520,698 km (0.115 R)
• M10: 5,398,538 km (0.027 R)
• M11: 6,582,755 km (0.115 R)
• M12: 7,170,376 km (0.118 R)
• M13: 8,304,627 km (0.059 R)
• M14: 9,021,948 km (0.094 R)
• M15: 9,522,802 km (0.081 R)
• M16: 10,614,567 km (0.104 R)
• M17: 11,031,646 km (0.038 R)
• M18: 12,463,148 km (0.102 R)
• M19: 13,164,164 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.4

Radius: 10.9

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.03 AU - 5.01 AU

Year: 6304 Days

Day: 14 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,135,495 km

• M1: 137,780 km (0.084 R)
• M2: 753,973 km (0.035 R)
• M3: 1,732,643 km (0.104 R)
• M4: 2,324,452 km (0.039 R)
• M5: 3,326,458 km (0.026 R)
• M6: 4,089,407 km (0.075 R)
• M7: 4,965,153 km (0.087 R)
• M8: 5,994,686 km (0.1 R)
• M9: 6,472,202 km (0.109 R)
• M10: 8,140,817 km (0.09 R)
• M11: 8,556,998 km (0.096 R)
• M12: 9,798,361 km (0.112 R)
• M13: 10,317,616 km (0.113 R)
• M14: 10,756,087 km (0.059 R)
• M15: 12,580,433 km (0.12 R)
• M16: 14,301,257 km (0.086 R)
• M17: 18,416,695 km (0.05 R)
• M18: 19,427,976 km (0.091 R)
• M19: 21,404,015 km (0.072 R)
• M20: 23,012,491 km (0.038 R)
• M21: 26,019,109 km (0.072 R)
• M22: 26,559,606 km (0.047 R)
• M23: 29,569,515 km (0.111 R)
• M24: 31,359,005 km (0.093 R)
• M25: 33,749,130 km (0.076 R)
• M26: 36,594,332 km (0.115 R)
• M27: 37,045,818 km (0.075 R)
• M28: 38,889,163 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 14.5

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.75 AU - 4.87 AU

Year: 6920 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,135,495 km

• M1: 180,265 km (0.059 R)
• M2: 670,797 km (0.064 R)
• M3: 1,460,674 km (0.04 R)
• M4: 2,541,219 km (0.118 R)
• M5: 3,403,352 km (0.092 R)
• M6: 3,903,607 km (0.054 R)
• M7: 4,873,749 km (0.106 R)
• M8: 5,402,578 km (0.092 R)
• M9: 6,237,782 km (0.078 R)
• M10: 7,808,261 km (0.046 R)
• M11: 8,572,856 km (0.064 R)
• M12: 9,307,381 km (0.092 R)
• M13: 10,337,362 km (0.101 R)
• M14: 11,441,993 km (0.109 R)
• M15: 12,094,240 km (0.089 R)
• M16: 14,201,027 km (0.103 R)
• M17: 14,736,886 km (0.111 R)
• M18: 17,076,298 km (0.077 R)
• M19: 22,051,025 km (0.063 R)
• M20: 24,484,534 km (0.068 R)
• M21: 25,100,428 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.1

Radius: 8.1

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.02 AU - 5.96 AU

Year: 7312 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,135,495 km

• M1: 100,679 km (0.098 R)
• M2: 374,743 km (0.082 R)
• M3: 799,301 km (0.102 R)
• M4: 1,550,133 km (0.114 R)
• M5: 2,001,919 km (0.073 R)
• M6: 2,861,807 km (0.092 R)
• M7: 3,364,007 km (0.06 R)
• M8: 3,826,115 km (0.106 R)
• M9: 5,532,129 km (0.114 R)
• M10: 5,945,618 km (0.041 R)
• M11: 6,311,534 km (0.099 R)
• M12: 6,587,093 km (0.113 R)
• M13: 7,051,894 km (0.103 R)
• M14: 7,576,833 km (0.046 R)
• M15: 8,371,497 km (0.101 R)
• M16: 9,003,099 km (0.084 R)
• M17: 9,756,923 km (0.103 R)
• M18: 10,361,149 km (0.044 R)
• M19: 11,339,369 km (0.098 R)
• M20: 13,085,775 km (0.087 R)
• M21: 13,763,154 km (0.119 R)
• M22: 16,318,734 km (0.114 R)
• M23: 17,505,045 km (0.11 R)
• M24: 20,796,198 km (0.116 R)
• M25: 22,667,069 km (0.117 R)
• M26: 25,592,456 km (0.114 R)
• M27: 29,328,513 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438

Radius: 7

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.33 AU - 10.43 AU

Year: 17359 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,135,495 km

• M1: 87,964 km (0.085 R)
• M2: 502,050 km (0.095 R)
• M3: 840,441 km (0.058 R)
• M4: 1,554,771 km (0.067 R)
• M5: 2,983,281 km (0.069 R)
• M6: 3,202,741 km (0.107 R)
• M7: 7,442,943 km (0.101 R)
• M8: 13,539,355 km (0.027 R)
• M9: 16,519,046 km (0.073 R)
• M10: 20,081,121 km (0.077 R)
• M11: 21,494,072 km (0.076 R)
• M12: 23,543,264 km (0.102 R)
• M13: 26,856,109 km (0.11 R)
• M14: 29,229,479 km (0.114 R)
• M15: 32,805,915 km (0.078 R)
• M16: 35,136,201 km (0.116 R)
• M17: 38,634,398 km (0.114 R)
• M18: 41,091,244 km (0.098 R)
• M19: 41,932,882 km (0.105 R)
• M20: 55,800,903 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.3

Radius: 7.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.9 AU - 10.2 AU

Year: 17860 Days

Day: 22.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,135,495 km

• M1: 89,759 km (0.105 R)
• M2: 347,965 km (0.038 R)
• M3: 616,493 km (0.099 R)
• M4: 1,813,575 km (0.114 R)
• M5: 3,596,632 km (0.088 R)
• M6: 7,026,163 km (0.096 R)
• M7: 9,015,665 km (0.119 R)
• M8: 9,626,174 km (0.088 R)
• M9: 15,606,648 km (0.099 R)
• M10: 16,763,189 km (0.103 R)
• M11: 31,631,871 km (0.101 R)
• M12: 37,265,727 km (0.075 R)
• M13: 39,818,914 km (0.12 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 18,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit