🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 8.5

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.16 AU - 1.42 AU

Year: 1011 Days

Day: 6.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,461,773 km

• M1: 105,766 km (0.044 R)
• M2: 553,213 km (0.116 R)
• M3: 1,316,910 km (0.088 R)
• M4: 1,719,777 km (0.076 R)
• M5: 2,525,212 km (0.098 R)
• M6: 3,860,971 km (0.074 R)
• M7: 4,473,425 km (0.097 R)
• M8: 5,848,080 km (0.051 R)
• M9: 6,702,583 km (0.097 R)
• M10: 7,871,541 km (0.088 R)
• M11: 8,798,150 km (0.064 R)
• M12: 9,465,057 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.8

Radius: 14

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.11 AU - 1.55 AU

Year: 1059 Days

Day: 10.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,461,773 km

• M1: 174,581 km (0.115 R)
• M2: 619,335 km (0.083 R)
• M3: 1,145,172 km (0.083 R)
• M4: 2,569,044 km (0.115 R)
• M5: 3,797,692 km (0.109 R)
• M6: 4,370,651 km (0.109 R)
• M7: 5,691,451 km (0.073 R)
• M8: 6,244,814 km (0.05 R)
• M9: 7,386,245 km (0.101 R)
• M10: 7,968,031 km (0.094 R)
• M11: 9,367,819 km (0.1 R)
• M12: 9,839,202 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.3

Radius: 13.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.31 AU - 1.53 AU

Year: 1168 Days

Day: 12.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,461,773 km

• M1: 166,652 km (0.066 R)
• M2: 620,532 km (0.054 R)
• M3: 1,096,552 km (0.05 R)
• M4: 1,520,962 km (0.077 R)
• M5: 2,027,650 km (0.1 R)
• M6: 2,575,178 km (0.048 R)
• M7: 3,137,815 km (0.091 R)
• M8: 3,750,718 km (0.096 R)
• M9: 4,655,635 km (0.07 R)
• M10: 7,016,439 km (0.119 R)
• M11: 7,455,659 km (0.104 R)
• M12: 9,111,408 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804

Radius: 15

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.43 AU - 1.99 AU

Year: 1543 Days

Day: 9 Hours

Environment

Temp: -202 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,461,773 km

• M1: 197,320 km (0.103 R)
• M2: 679,623 km (0.119 R)
• M3: 1,443,619 km (0.094 R)
• M4: 1,992,644 km (0.045 R)
• M5: 3,032,498 km (0.119 R)
• M6: 4,391,146 km (0.105 R)
• M7: 5,091,713 km (0.099 R)
• M8: 5,796,618 km (0.076 R)
• M9: 6,666,979 km (0.059 R)
• M10: 7,932,876 km (0.105 R)
• M11: 12,115,632 km (0.113 R)
• M12: 13,745,501 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 10.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.71 AU - 3.11 AU

Year: 3426 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,461,773 km

• M1: 129,402 km (0.051 R)
• M2: 583,132 km (0.103 R)
• M3: 1,214,735 km (0.108 R)
• M4: 1,679,386 km (0.044 R)
• M5: 2,249,204 km (0.105 R)
• M6: 3,070,347 km (0.074 R)
• M7: 6,941,341 km (0.082 R)
• M8: 9,320,396 km (0.093 R)
• M9: 9,911,457 km (0.081 R)
• M10: 10,794,384 km (0.087 R)
• M11: 11,411,475 km (0.057 R)
• M12: 11,764,377 km (0.062 R)
• M13: 12,124,608 km (0.114 R)
• M14: 12,492,170 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.1

Radius: 8.1

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.32 AU - 3.78 AU

Year: 4617 Days

Day: 14.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,461,773 km

• M1: 100,829 km (0.063 R)
• M2: 429,495 km (0.071 R)
• M3: 925,412 km (0.072 R)
• M4: 1,578,258 km (0.094 R)
• M5: 2,026,752 km (0.104 R)
• M6: 2,328,640 km (0.11 R)
• M7: 2,838,470 km (0.07 R)
• M8: 3,987,232 km (0.057 R)
• M9: 4,873,450 km (0.109 R)
• M10: 6,440,488 km (0.117 R)
• M11: 7,408,386 km (0.08 R)
• M12: 8,092,946 km (0.042 R)
• M13: 8,355,639 km (0.098 R)
• M14: 8,662,764 km (0.095 R)
• M15: 9,097,346 km (0.079 R)
• M16: 11,028,505 km (0.091 R)
• M17: 12,162,905 km (0.067 R)
• M18: 14,223,616 km (0.112 R)
• M19: 16,991,027 km (0.083 R)
• M20: 18,760,919 km (0.099 R)
• M21: 26,166,313 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.9

Radius: 9.7

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.34 AU - 4.3 AU

Year: 5154 Days

Day: 10.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,461,773 km

• M1: 121,025 km (0.086 R)
• M2: 531,372 km (0.099 R)
• M3: 881,580 km (0.081 R)
• M4: 1,346,530 km (0.096 R)
• M5: 1,705,416 km (0.103 R)
• M6: 2,263,565 km (0.075 R)
• M7: 2,723,728 km (0.074 R)
• M8: 3,788,267 km (0.102 R)
• M9: 5,582,993 km (0.036 R)
• M10: 7,668,985 km (0.118 R)
• M11: 8,556,101 km (0.068 R)
• M12: 10,711,208 km (0.113 R)
• M13: 11,209,668 km (0.085 R)
• M14: 11,581,867 km (0.041 R)
• M15: 13,153,842 km (0.033 R)
• M16: 15,656,016 km (0.093 R)
• M17: 16,716,216 km (0.083 R)
• M18: 18,848,434 km (0.088 R)
• M19: 22,377,298 km (0.103 R)
• M20: 27,820,866 km (0.108 R)
• M21: 29,373,841 km (0.057 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 18,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit