🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.5

Radius: 11

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.18 AU - 1.52 AU

Year: 1029 Days

Day: 14.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,739,278 km

• M1: 136,882 km (0.115 R)
• M2: 1,121,984 km (0.089 R)
• M3: 1,564,195 km (0.088 R)
• M4: 2,066,994 km (0.075 R)
• M5: 2,537,778 km (0.06 R)
• M6: 3,524,077 km (0.084 R)
• M7: 4,124,114 km (0.104 R)
• M8: 4,805,084 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.3

Radius: 13.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.84 AU - 2.08 AU

Year: 1800 Days

Day: 7.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,739,278 km

• M1: 164,258 km (0.052 R)
• M2: 595,250 km (0.098 R)
• M3: 1,016,218 km (0.058 R)
• M4: 1,590,375 km (0.045 R)
• M5: 2,073,875 km (0.082 R)
• M6: 3,186,285 km (0.081 R)
• M7: 3,681,753 km (0.078 R)
• M8: 4,171,537 km (0.044 R)
• M9: 5,172,646 km (0.08 R)
• M10: 5,625,030 km (0.116 R)
• M11: 6,252,593 km (0.093 R)
• M12: 6,899,753 km (0.097 R)
• M13: 7,534,347 km (0.109 R)
• M14: 10,049,686 km (0.108 R)
• M15: 10,721,081 km (0.109 R)
• M16: 11,197,550 km (0.087 R)
• M17: 12,271,962 km (0.071 R)
• M18: 14,715,045 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.8

Radius: 14.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.98 AU - 2.78 AU

Year: 2409 Days

Day: 10.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,739,278 km

• M1: 213,327 km (0.057 R)
• M2: 1,004,699 km (0.066 R)
• M3: 2,688,573 km (0.12 R)
• M4: 3,400,659 km (0.08 R)
• M5: 4,753,472 km (0.108 R)
• M6: 5,800,657 km (0.116 R)
• M7: 6,564,355 km (0.087 R)
• M8: 8,004,683 km (0.087 R)
• M9: 10,931,116 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 11.6

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.84 AU - 2.86 AU

Year: 3156 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,739,278 km

• M1: 144,362 km (0.089 R)
• M2: 510,578 km (0.1 R)
• M3: 918,531 km (0.075 R)
• M4: 1,425,967 km (0.077 R)
• M5: 1,996,982 km (0.086 R)
• M6: 2,541,069 km (0.095 R)
• M7: 3,237,448 km (0.111 R)
• M8: 3,783,181 km (0.108 R)
• M9: 4,299,293 km (0.113 R)
• M10: 4,764,842 km (0.095 R)
• M11: 5,264,050 km (0.112 R)
• M12: 5,715,536 km (0.092 R)
• M13: 7,990,621 km (0.078 R)
• M14: 9,677,187 km (0.089 R)
• M15: 10,438,939 km (0.043 R)
• M16: 13,496,271 km (0.104 R)
• M17: 16,259,793 km (0.03 R)
• M18: 17,105,769 km (0.09 R)
• M19: 18,099,846 km (0.041 R)
• M20: 19,505,618 km (0.049 R)
• M21: 20,396,024 km (0.106 R)
• M22: 21,446,800 km (0.044 R)
• M23: 22,395,400 km (0.079 R)
• M24: 23,230,605 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.6

Radius: 9.2

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.89 AU - 6.12 AU

Year: 7334 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,739,278 km

• M1: 114,442 km (0.112 R)
• M2: 420,819 km (0.112 R)
• M3: 759,508 km (0.09 R)
• M4: 1,995,336 km (0.097 R)
• M5: 2,706,375 km (0.079 R)
• M6: 3,120,911 km (0.095 R)
• M7: 3,534,100 km (0.099 R)
• M8: 4,198,015 km (0.092 R)
• M9: 5,593,764 km (0.053 R)
• M10: 6,173,755 km (0.064 R)
• M11: 6,692,859 km (0.064 R)
• M12: 7,031,998 km (0.081 R)
• M13: 8,271,416 km (0.076 R)
• M14: 9,650,858 km (0.091 R)
• M15: 11,655,768 km (0.091 R)
• M16: 13,384,372 km (0.11 R)
• M17: 13,923,672 km (0.114 R)
• M18: 15,747,420 km (0.109 R)
• M19: 17,216,022 km (0.084 R)
• M20: 20,352,641 km (0.097 R)
• M21: 20,707,337 km (0.086 R)
• M22: 21,869,862 km (0.089 R)
• M23: 22,391,959 km (0.106 R)
• M24: 24,008,364 km (0.109 R)
• M25: 26,450,250 km (0.085 R)
• M26: 27,644,490 km (0.065 R)
• M27: 28,519,338 km (0.082 R)
• M28: 29,322,379 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.3

Radius: 14.1

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.91 AU - 6.25 AU

Year: 7511 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,739,278 km

• M1: 175,329 km (0.094 R)
• M2: 760,855 km (0.086 R)
• M3: 1,245,402 km (0.12 R)
• M4: 1,798,615 km (0.037 R)
• M5: 5,359,344 km (0.105 R)
• M6: 5,926,619 km (0.093 R)
• M7: 7,332,390 km (0.091 R)
• M8: 8,073,647 km (0.064 R)
• M9: 8,778,553 km (0.109 R)
• M10: 12,938,121 km (0.065 R)
• M11: 18,329,778 km (0.09 R)
• M12: 21,832,313 km (0.111 R)
• M13: 24,034,394 km (0.11 R)
• M14: 25,059,289 km (0.117 R)
• M15: 27,104,741 km (0.086 R)
• M16: 28,972,021 km (0.088 R)
• M17: 30,526,642 km (0.097 R)
• M18: 38,446,054 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.2

Radius: 14.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.25 AU - 6.43 AU

Year: 8095 Days

Day: 9.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,739,278 km

• M1: 342,130 km (0.12 R)
• M2: 816,356 km (0.118 R)
• M3: 1,348,774 km (0.099 R)
• M4: 1,885,083 km (0.034 R)
• M5: 3,210,969 km (0.082 R)
• M6: 5,255,672 km (0.066 R)
• M7: 6,251,994 km (0.117 R)
• M8: 15,000,627 km (0.119 R)
• M9: 17,867,820 km (0.105 R)
• M10: 18,938,193 km (0.101 R)
• M11: 20,110,442 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.3

Radius: 7.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.6 AU - 7.76 AU

Year: 11326 Days

Day: 21.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,739,278 km

• M1: 92,451 km (0.091 R)
• M2: 338,989 km (0.111 R)
• M3: 619,784 km (0.048 R)
• M4: 962,363 km (0.065 R)
• M5: 1,331,271 km (0.11 R)
• M6: 1,880,894 km (0.082 R)
• M7: 2,591,634 km (0.083 R)
• M8: 5,763,856 km (0.042 R)
• M9: 6,335,021 km (0.074 R)
• M10: 8,443,453 km (0.036 R)
• M11: 8,784,985 km (0.059 R)
• M12: 9,314,263 km (0.065 R)
• M13: 10,147,972 km (0.072 R)
• M14: 11,751,511 km (0.035 R)
• M15: 14,462,823 km (0.101 R)
• M16: 15,389,133 km (0.103 R)
• M17: 16,684,800 km (0.086 R)
• M18: 18,404,727 km (0.112 R)
• M19: 19,788,507 km (0.074 R)
• M20: 22,192,994 km (0.064 R)
• M21: 25,574,803 km (0.092 R)
• M22: 26,290,031 km (0.084 R)
• M23: 28,325,758 km (0.099 R)
• M24: 30,067,676 km (0.1 R)
• M25: 31,267,900 km (0.099 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: 470 - 17,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit