🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.8

Radius: 12.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.49 AU - 0.55 AU

Year: 264 Days

Day: 9.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,046,304 km

• M1: 154,385 km (0.073 R)
• M2: 563,386 km (0.063 R)
• M3: 994,676 km (0.054 R)
• M4: 1,408,015 km (0.08 R)
• M5: 2,129,825 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.2

Radius: 9.3

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.79 AU - 0.99 AU

Year: 590 Days

Day: 8 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 91,046,304 km

• M1: 115,938 km (0.093 R)
• M2: 523,892 km (0.066 R)
• M3: 1,751,641 km (0.12 R)
• M4: 2,665,535 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.8

Radius: 13.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.23 AU - 3.85 AU

Year: 4682 Days

Day: 11.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,046,304 km

• M1: 164,109 km (0.104 R)
• M2: 583,731 km (0.058 R)
• M3: 1,114,953 km (0.082 R)
• M4: 1,847,235 km (0.062 R)
• M5: 2,478,388 km (0.091 R)
• M6: 3,628,048 km (0.073 R)
• M7: 4,082,227 km (0.047 R)
• M8: 4,600,135 km (0.066 R)
• M9: 7,770,413 km (0.11 R)
• M10: 8,374,638 km (0.104 R)
• M11: 9,549,879 km (0.101 R)
• M12: 10,557,720 km (0.089 R)
• M13: 11,879,118 km (0.116 R)
• M14: 13,044,635 km (0.115 R)
• M15: 13,736,376 km (0.111 R)
• M16: 14,677,945 km (0.095 R)
• M17: 15,959,550 km (0.05 R)
• M18: 18,412,955 km (0.065 R)
• M19: 18,878,503 km (0.089 R)
• M20: 19,488,713 km (0.12 R)
• M21: 20,393,331 km (0.108 R)
• M22: 21,544,936 km (0.086 R)
• M23: 24,373,532 km (0.088 R)
• M24: 31,225,564 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.6

Radius: 7.2

Gravity: 16.87 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.18 AU - 6.94 AU

Year: 10486 Days

Day: 18 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,046,304 km

• M1: 103,522 km (0.085 R)
• M2: 401,969 km (0.108 R)
• M3: 675,734 km (0.104 R)
• M4: 1,155,943 km (0.072 R)
• M5: 1,465,162 km (0.041 R)
• M6: 2,103,944 km (0.083 R)
• M7: 3,416,965 km (0.12 R)
• M8: 4,685,106 km (0.102 R)
• M9: 6,549,096 km (0.115 R)
• M10: 7,197,303 km (0.09 R)
• M11: 7,537,190 km (0.058 R)
• M12: 7,932,128 km (0.116 R)
• M13: 8,621,026 km (0.046 R)
• M14: 8,907,506 km (0.105 R)
• M15: 10,652,715 km (0.116 R)
• M16: 12,859,882 km (0.106 R)
• M17: 13,487,744 km (0.075 R)
• M18: 14,268,047 km (0.107 R)
• M19: 15,424,438 km (0.103 R)
• M20: 16,937,770 km (0.105 R)
• M21: 22,514,480 km (0.039 R)
• M22: 25,713,480 km (0.051 R)
• M23: 26,009,535 km (0.104 R)
• M24: 26,810,182 km (0.1 R)
• M25: 35,985,917 km (0.099 R)
• M26: 36,232,604 km (0.096 R)
• M27: 37,483,093 km (0.117 R)
• M28: 39,674,552 km (0.114 R)
• M29: 40,202,333 km (0.089 R)
• M30: 43,328,480 km (0.091 R)
• M31: 43,747,803 km (0.04 R)
• M32: 46,759,358 km (0.075 R)
• M33: 53,191,617 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.3

Radius: 7.5

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.33 AU - 7.73 AU

Year: 13102 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,046,304 km

• M1: 95,294 km (0.076 R)
• M2: 545,284 km (0.105 R)
• M3: 1,496,278 km (0.111 R)
• M4: 2,724,626 km (0.066 R)
• M5: 5,014,820 km (0.074 R)
• M6: 5,330,322 km (0.1 R)
• M7: 7,198,949 km (0.102 R)
• M8: 8,647,206 km (0.085 R)
• M9: 12,233,515 km (0.09 R)
• M10: 13,463,808 km (0.106 R)
• M11: 15,645,245 km (0.082 R)
• M12: 16,244,234 km (0.1 R)
• M13: 19,130,725 km (0.09 R)
• M14: 20,164,147 km (0.098 R)
• M15: 26,103,482 km (0.063 R)
• M16: 28,243,180 km (0.116 R)
• M17: 41,847,162 km (0.082 R)
• M18: 47,048,231 km (0.099 R)
• M19: 53,501,584 km (0.12 R)
• M20: 60,520,417 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.1

Radius: 7.7

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.22 AU - 11.42 AU

Year: 21631 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,046,304 km

• M1: 95,743 km (0.09 R)
• M2: 366,216 km (0.069 R)
• M3: 788,231 km (0.084 R)
• M4: 1,602,941 km (0.092 R)
• M5: 2,443,232 km (0.115 R)
• M6: 3,856,932 km (0.096 R)
• M7: 4,336,543 km (0.092 R)
• M8: 4,688,846 km (0.071 R)
• M9: 5,094,855 km (0.103 R)
• M10: 6,133,812 km (0.065 R)
• M11: 7,131,330 km (0.119 R)
• M12: 7,900,712 km (0.035 R)
• M13: 9,028,082 km (0.113 R)
• M14: 11,417,459 km (0.114 R)
• M15: 12,090,350 km (0.104 R)
• M16: 14,478,531 km (0.029 R)
• M17: 18,707,663 km (0.071 R)
• M18: 22,728,105 km (0.072 R)
• M19: 23,304,207 km (0.114 R)
• M20: 31,587,740 km (0.12 R)
• M21: 32,546,812 km (0.084 R)
• M22: 33,648,750 km (0.105 R)
• M23: 38,441,566 km (0.071 R)
• M24: 42,501,802 km (0.099 R)
• M25: 43,376,052 km (0.105 R)
• M26: 59,043,587 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.1

Radius: 6.5

Gravity: 20.76 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9 AU - 11.54 AU

Year: 23135 Days

Day: 21.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,046,304 km

• M1: 80,783 km (0.043 R)
• M2: 330,462 km (0.059 R)
• M3: 543,639 km (0.096 R)
• M4: 765,792 km (0.094 R)
• M5: 2,186,672 km (0.081 R)
• M6: 2,661,795 km (0.116 R)
• M7: 2,924,040 km (0.11 R)
• M8: 4,504,242 km (0.12 R)
• M9: 5,686,963 km (0.073 R)
• M10: 14,484,365 km (0.088 R)
• M11: 23,262,469 km (0.086 R)
• M12: 23,593,080 km (0.104 R)
• M13: 26,352,114 km (0.098 R)
• M14: 30,618,196 km (0.074 R)
• M15: 31,955,302 km (0.093 R)
• M16: 36,052,788 km (0.079 R)
• M17: 40,170,319 km (0.037 R)
• M18: 41,448,035 km (0.112 R)
• M19: 44,930,374 km (0.113 R)
• M20: 64,859,354 km (0.066 R)
• M21: 82,079,714 km (0.081 R)
• M22: 83,359,524 km (0.11 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 16,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit