🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.9

Radius: 9.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.53 AU - 0.79 AU

Year: 358 Days

Day: 11.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,729,143 km

• M1: 123,269 km (0.091 R)
• M2: 479,012 km (0.11 R)
• M3: 821,741 km (0.062 R)
• M4: 1,234,781 km (0.034 R)
• M5: 1,680,134 km (0.094 R)
• M6: 2,164,980 km (0.107 R)
• M7: 2,492,749 km (0.117 R)
• M8: 2,854,028 km (0.038 R)
• M9: 3,183,143 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.4

Radius: 11.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.65 AU - 0.73 AU

Year: 382 Days

Day: 8 Hours

Environment

Temp: -164 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,729,143 km

• M1: 144,212 km (0.103 R)
• M2: 505,342 km (0.086 R)
• M3: 874,400 km (0.106 R)
• M4: 1,240,166 km (0.115 R)
• M5: 1,935,198 km (0.094 R)
• M6: 2,359,607 km (0.109 R)
• M7: 2,924,040 km (0.099 R)
• M8: 3,356,228 km (0.104 R)
• M9: 4,072,802 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.1

Radius: 12.3

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.01 AU - 1.63 AU

Year: 1011 Days

Day: 14.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,729,143 km

• M1: 153,039 km (0.083 R)
• M2: 541,544 km (0.114 R)
• M3: 1,012,179 km (0.027 R)
• M4: 1,449,903 km (0.096 R)
• M5: 1,961,078 km (0.078 R)
• M6: 2,547,502 km (0.07 R)
• M7: 3,433,122 km (0.08 R)
• M8: 4,182,008 km (0.11 R)
• M9: 4,967,248 km (0.116 R)
• M10: 5,599,897 km (0.105 R)
• M11: 6,084,145 km (0.103 R)
• M12: 6,575,425 km (0.082 R)
• M13: 7,591,194 km (0.119 R)
• M14: 8,161,312 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.2

Radius: 14

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.68 AU - 2.2 AU

Year: 1802 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,729,143 km

• M1: 174,132 km (0.116 R)
• M2: 825,780 km (0.077 R)
• M3: 1,313,769 km (0.109 R)
• M4: 1,762,263 km (0.053 R)
• M5: 2,292,587 km (0.119 R)
• M6: 2,875,421 km (0.071 R)
• M7: 3,463,640 km (0.067 R)
• M8: 4,289,569 km (0.097 R)
• M9: 4,826,476 km (0.075 R)
• M10: 5,408,262 km (0.029 R)
• M11: 5,858,552 km (0.079 R)
• M12: 6,450,810 km (0.103 R)
• M13: 7,311,147 km (0.098 R)
• M14: 7,756,051 km (0.118 R)
• M15: 10,918,849 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 14.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.35 AU - 3.17 AU

Year: 3058 Days

Day: 12 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,729,143 km

• M1: 180,415 km (0.078 R)
• M2: 692,638 km (0.025 R)
• M3: 1,253,630 km (0.119 R)
• M4: 1,712,447 km (0.068 R)
• M5: 2,286,304 km (0.053 R)
• M6: 2,788,804 km (0.078 R)
• M7: 3,280,681 km (0.049 R)
• M8: 3,963,446 km (0.095 R)
• M9: 4,442,458 km (0.117 R)
• M10: 5,280,805 km (0.104 R)
• M11: 6,118,403 km (0.112 R)
• M12: 7,390,883 km (0.113 R)
• M13: 9,481,064 km (0.077 R)
• M14: 10,197,189 km (0.091 R)
• M15: 11,065,007 km (0.087 R)
• M16: 16,668,045 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.9

Radius: 14.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.62 AU - 3.58 AU

Year: 3640 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 19,729,143 km

• M1: 185,501 km (0.103 R)
• M2: 697,126 km (0.096 R)
• M3: 1,417,440 km (0.088 R)
• M4: 1,933,403 km (0.117 R)
• M5: 2,559,620 km (0.067 R)
• M6: 3,074,835 km (0.111 R)
• M7: 4,602,678 km (0.118 R)
• M8: 5,237,721 km (0.081 R)
• M9: 6,405,930 km (0.116 R)
• M10: 7,706,684 km (0.11 R)
• M11: 9,693,044 km (0.115 R)
• M12: 11,403,846 km (0.099 R)
• M13: 12,189,085 km (0.075 R)
• M14: 13,408,906 km (0.042 R)
• M15: 13,867,573 km (0.075 R)
• M16: 15,306,705 km (0.046 R)
• M17: 16,377,676 km (0.049 R)
• M18: 17,138,680 km (0.111 R)
• M19: 17,923,321 km (0.051 R)
• M20: 18,858,308 km (0.074 R)
• M21: 20,288,014 km (0.112 R)
• M22: 20,961,354 km (0.091 R)
• M23: 21,441,564 km (0.036 R)
• M24: 22,998,578 km (0.098 R)
• M25: 24,629,943 km (0.094 R)
• M26: 25,473,974 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.9

Radius: 9.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.93 AU - 3.57 AU

Year: 3907 Days

Day: 5.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,729,143 km

• M1: 113,246 km (0.117 R)
• M2: 911,649 km (0.057 R)
• M3: 1,294,770 km (0.119 R)
• M4: 1,716,636 km (0.12 R)
• M5: 2,175,901 km (0.108 R)
• M6: 3,288,610 km (0.117 R)
• M7: 4,435,577 km (0.061 R)
• M8: 4,810,918 km (0.094 R)
• M9: 5,600,346 km (0.1 R)
• M10: 8,224,293 km (0.101 R)
• M11: 9,350,615 km (0.12 R)
• M12: 10,232,046 km (0.101 R)
• M13: 12,764,887 km (0.086 R)
• M14: 13,389,907 km (0.099 R)
• M15: 17,037,851 km (0.088 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: 425 - 11,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit