🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.9

Radius: 10.6

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.55 AU - 0.75 AU

Year: 349 Days

Day: 8.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 162.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,465,254 km

• M1: 131,796 km (0.03 R)
• M2: 468,989 km (0.105 R)
• M3: 818,300 km (0.077 R)
• M4: 1,243,308 km (0.099 R)
• M5: 1,917,246 km (0.094 R)
• M6: 2,263,715 km (0.051 R)
• M7: 2,828,746 km (0.088 R)
• M8: 3,310,152 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.2

Radius: 13.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.81 AU - 0.97 AU

Year: 560 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 32,465,254 km

• M1: 165,455 km (0.084 R)
• M2: 598,691 km (0.083 R)
• M3: 1,193,791 km (0.096 R)
• M4: 1,829,582 km (0.086 R)
• M5: 2,341,356 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 10.4

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.44 AU - 1.92 AU

Year: 1452 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,465,254 km

• M1: 131,796 km (0.073 R)
• M2: 502,200 km (0.079 R)
• M3: 1,196,484 km (0.063 R)
• M4: 1,562,849 km (0.117 R)
• M5: 1,960,181 km (0.076 R)
• M6: 2,760,530 km (0.12 R)
• M7: 3,127,493 km (0.114 R)
• M8: 3,494,008 km (0.118 R)
• M9: 3,871,294 km (0.095 R)
• M10: 7,056,083 km (0.104 R)
• M11: 8,821,487 km (0.108 R)
• M12: 9,723,263 km (0.115 R)
• M13: 10,474,095 km (0.1 R)
• M14: 11,672,075 km (0.076 R)
• M15: 12,245,932 km (0.097 R)
• M16: 12,758,454 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.5

Radius: 13.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.84 AU - 1.94 AU

Year: 1733 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,465,254 km

• M1: 163,810 km (0.112 R)
• M2: 710,440 km (0.095 R)
• M3: 2,044,704 km (0.059 R)
• M4: 2,725,524 km (0.051 R)
• M5: 3,404,698 km (0.106 R)
• M6: 3,847,059 km (0.08 R)
• M7: 4,444,403 km (0.077 R)
• M8: 5,616,054 km (0.097 R)
• M9: 6,772,296 km (0.097 R)
• M10: 7,420,952 km (0.077 R)
• M11: 8,051,806 km (0.111 R)
• M12: 11,949,728 km (0.102 R)
• M13: 14,767,853 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.7

Radius: 13.7

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.1 AU - 4.72 AU

Year: 5156 Days

Day: 13 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,465,254 km

• M1: 170,392 km (0.026 R)
• M2: 622,477 km (0.113 R)
• M3: 1,458,729 km (0.098 R)
• M4: 1,890,767 km (0.098 R)
• M5: 2,814,684 km (0.059 R)
• M6: 3,244,778 km (0.114 R)
• M7: 4,166,301 km (0.057 R)
• M8: 4,675,831 km (0.106 R)
• M9: 6,135,158 km (0.031 R)
• M10: 6,866,093 km (0.115 R)
• M11: 7,543,473 km (0.066 R)
• M12: 9,115,896 km (0.087 R)
• M13: 9,846,681 km (0.119 R)
• M14: 10,523,612 km (0.11 R)
• M15: 12,429,788 km (0.097 R)
• M16: 13,221,011 km (0.108 R)
• M17: 14,328,035 km (0.066 R)
• M18: 14,845,943 km (0.12 R)
• M19: 15,858,421 km (0.118 R)
• M20: 18,220,721 km (0.118 R)
• M21: 18,966,168 km (0.074 R)
• M22: 21,399,377 km (0.084 R)
• M23: 24,438,907 km (0.114 R)
• M24: 26,189,501 km (0.119 R)
• M25: 26,791,333 km (0.082 R)
• M26: 27,226,663 km (0.111 R)
• M27: 29,199,111 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.6

Radius: 14.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.91 AU - 5.79 AU

Year: 7123 Days

Day: 5.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,465,254 km

• M1: 177,124 km (0.047 R)
• M2: 799,152 km (0.116 R)
• M3: 1,643,482 km (0.064 R)
• M4: 2,132,218 km (0.073 R)
• M5: 2,662,992 km (0.078 R)
• M6: 3,239,392 km (0.096 R)
• M7: 4,095,691 km (0.078 R)
• M8: 5,156,788 km (0.118 R)
• M9: 5,611,117 km (0.109 R)
• M10: 6,092,373 km (0.097 R)
• M11: 7,978,802 km (0.076 R)
• M12: 8,799,496 km (0.115 R)
• M13: 10,181,930 km (0.064 R)
• M14: 10,900,898 km (0.047 R)
• M15: 13,206,949 km (0.104 R)
• M16: 14,534,032 km (0.079 R)
• M17: 15,884,900 km (0.111 R)
• M18: 17,655,391 km (0.075 R)
• M19: 18,204,415 km (0.102 R)
• M20: 18,906,777 km (0.111 R)
• M21: 20,741,745 km (0.068 R)
• M22: 21,898,286 km (0.103 R)
• M23: 22,452,546 km (0.097 R)
• M24: 23,837,673 km (0.05 R)
• M25: 27,229,505 km (0.087 R)
• M26: 28,898,718 km (0.088 R)
• M27: 33,472,972 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.3

Radius: 7.9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.18 AU - 6.58 AU

Year: 10746 Days

Day: 17.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,465,254 km

• M1: 98,286 km (0.059 R)
• M2: 597,943 km (0.098 R)
• M3: 1,404,425 km (0.112 R)
• M4: 1,698,235 km (0.106 R)
• M5: 2,725,823 km (0.059 R)
• M6: 3,768,071 km (0.088 R)
• M7: 4,119,925 km (0.113 R)
• M8: 4,366,612 km (0.077 R)
• M9: 5,308,929 km (0.118 R)
• M10: 7,265,819 km (0.104 R)
• M11: 7,924,798 km (0.085 R)
• M12: 10,320,458 km (0.069 R)
• M13: 11,879,717 km (0.098 R)
• M14: 14,250,544 km (0.096 R)
• M15: 17,363,226 km (0.069 R)
• M16: 18,941,783 km (0.047 R)
• M17: 21,633,198 km (0.066 R)
• M18: 25,798,452 km (0.101 R)
• M19: 26,470,296 km (0.102 R)
• M20: 32,271,402 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 17,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit