🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 10.4

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.47 AU - 0.63 AU

Year: 272 Days

Day: 10.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,572,681 km

• M1: 129,402 km (0.095 R)
• M2: 540,796 km (0.042 R)
• M3: 924,216 km (0.118 R)
• M4: 1,250,638 km (0.105 R)
• M5: 1,992,793 km (0.072 R)
• M6: 2,487,065 km (0.091 R)
• M7: 2,816,629 km (0.084 R)
• M8: 3,533,950 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.6

Radius: 12.2

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.5 AU - 0.74 AU

Year: 326 Days

Day: 13.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,572,681 km

• M1: 151,692 km (0.074 R)
• M2: 566,527 km (0.085 R)
• M3: 1,420,432 km (0.119 R)
• M4: 1,818,661 km (0.119 R)
• M5: 2,769,206 km (0.057 R)
• M6: 3,504,629 km (0.114 R)
• M7: 4,180,662 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 11.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.62 AU - 0.72 AU

Year: 366 Days

Day: 8.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,572,681 km

• M1: 151,991 km (0.108 R)
• M2: 595,699 km (0.113 R)
• M3: 958,623 km (0.12 R)
• M4: 1,322,744 km (0.055 R)
• M5: 2,644,292 km (0.118 R)
• M6: 3,020,381 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.1

Radius: 11.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.16 AU - 1.7 AU

Year: 1140 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,572,681 km

• M1: 142,567 km (0.088 R)
• M2: 521,797 km (0.086 R)
• M3: 914,941 km (0.035 R)
• M4: 1,530,835 km (0.096 R)
• M5: 1,883,587 km (0.116 R)
• M6: 2,416,454 km (0.096 R)
• M7: 2,811,393 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 13.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.69 AU - 1.93 AU

Year: 1624 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,572,681 km

• M1: 170,542 km (0.073 R)
• M2: 611,406 km (0.04 R)
• M3: 1,297,163 km (0.076 R)
• M4: 1,904,082 km (0.112 R)
• M5: 2,572,784 km (0.097 R)
• M6: 3,000,933 km (0.097 R)
• M7: 3,476,954 km (0.042 R)
• M8: 4,171,836 km (0.045 R)
• M9: 4,979,066 km (0.108 R)
• M10: 5,420,380 km (0.081 R)
• M11: 6,850,984 km (0.036 R)
• M12: 7,314,737 km (0.043 R)
• M13: 8,064,672 km (0.082 R)
• M14: 8,613,546 km (0.105 R)
• M15: 9,550,178 km (0.069 R)
• M16: 10,270,043 km (0.107 R)
• M17: 10,697,445 km (0.099 R)
• M18: 13,223,255 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850

Radius: 13.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.61 AU - 2.45 AU

Year: 1929 Days

Day: 14.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,572,681 km

• M1: 174,730 km (0.096 R)
• M2: 806,781 km (0.113 R)
• M3: 1,224,010 km (0.06 R)
• M4: 1,856,659 km (0.102 R)
• M5: 2,320,712 km (0.103 R)
• M6: 3,061,969 km (0.072 R)
• M7: 3,881,616 km (0.092 R)
• M8: 4,343,873 km (0.097 R)
• M9: 5,497,123 km (0.094 R)
• M10: 7,207,625 km (0.104 R)
• M11: 7,790,010 km (0.111 R)
• M12: 8,309,563 km (0.105 R)
• M13: 8,819,692 km (0.105 R)
• M14: 11,073,085 km (0.072 R)
• M15: 11,535,043 km (0.106 R)
• M16: 12,621,423 km (0.074 R)
• M17: 13,040,746 km (0.059 R)
• M18: 13,731,140 km (0.082 R)
• M19: 15,231,906 km (0.118 R)
• M20: 16,439,759 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.8

Radius: 10.5

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.81 AU - 5.19 AU

Year: 6366 Days

Day: 8.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,572,681 km

• M1: 137,929 km (0.073 R)
• M2: 476,768 km (0.062 R)
• M3: 1,210,546 km (0.076 R)
• M4: 1,714,691 km (0.037 R)
• M5: 2,443,831 km (0.052 R)
• M6: 2,900,104 km (0.091 R)
• M7: 3,715,263 km (0.116 R)
• M8: 4,565,278 km (0.112 R)
• M9: 5,261,208 km (0.044 R)
• M10: 6,127,080 km (0.112 R)
• M11: 6,719,338 km (0.1 R)
• M12: 8,472,625 km (0.093 R)
• M13: 8,813,559 km (0.066 R)
• M14: 9,297,508 km (0.079 R)
• M15: 10,366,684 km (0.093 R)
• M16: 11,056,629 km (0.052 R)
• M17: 12,041,432 km (0.099 R)
• M18: 13,655,892 km (0.084 R)
• M19: 14,545,551 km (0.101 R)
• M20: 16,048,560 km (0.045 R)
• M21: 19,360,807 km (0.114 R)
• M22: 20,406,795 km (0.09 R)
• M23: 21,021,194 km (0.107 R)
• M24: 22,448,656 km (0.113 R)
• M25: 26,208,649 km (0.064 R)
• M26: 27,026,351 km (0.077 R)
• M27: 28,904,403 km (0.094 R)
• M28: 32,605,305 km (0.08 R)
• M29: 33,763,791 km (0.047 R)
• M30: 36,386,241 km (0.104 R)
• M31: 38,092,555 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.7

Radius: 8.6

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.37 AU - 5.35 AU

Year: 7145 Days

Day: 5.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,572,681 km

• M1: 107,262 km (0.073 R)
• M2: 1,278,314 km (0.09 R)
• M3: 2,284,659 km (0.114 R)
• M4: 4,217,613 km (0.078 R)
• M5: 4,888,559 km (0.037 R)
• M6: 7,259,685 km (0.094 R)
• M7: 9,393,101 km (0.064 R)
• M8: 10,352,921 km (0.07 R)
• M9: 10,856,766 km (0.102 R)
• M10: 11,424,939 km (0.045 R)
• M11: 12,723,897 km (0.066 R)
• M12: 14,681,236 km (0.044 R)
• M13: 15,317,326 km (0.057 R)
• M14: 17,082,431 km (0.073 R)
• M15: 17,786,140 km (0.045 R)
• M16: 21,157,328 km (0.099 R)
• M17: 22,118,494 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930

Radius: 6.6

Gravity: 21.35 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.26 AU - 7.62 AU

Year: 12192 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,572,681 km

• M1: 82,129 km (0.075 R)
• M2: 294,558 km (0.051 R)
• M3: 551,567 km (0.103 R)
• M4: 771,177 km (0.111 R)
• M5: 1,285,943 km (0.118 R)
• M6: 2,101,700 km (0.11 R)
• M7: 2,675,558 km (0.098 R)
• M8: 3,047,757 km (0.101 R)
• M9: 3,297,586 km (0.099 R)
• M10: 3,642,858 km (0.1 R)
• M11: 3,982,595 km (0.061 R)
• M12: 4,595,796 km (0.09 R)
• M13: 5,305,488 km (0.074 R)
• M14: 5,931,705 km (0.084 R)
• M15: 7,872,588 km (0.081 R)
• M16: 9,766,796 km (0.108 R)
• M17: 10,367,432 km (0.091 R)
• M18: 12,888,455 km (0.108 R)
• M19: 13,411,150 km (0.057 R)
• M20: 15,939,354 km (0.079 R)
• M21: 16,163,302 km (0.092 R)
• M22: 17,236,816 km (0.078 R)
• M23: 19,695,756 km (0.044 R)
• M24: 21,640,978 km (0.092 R)
• M25: 23,421,043 km (0.116 R)
• M26: 31,520,122 km (0.109 R)
• M27: 46,269,724 km (0.075 R)
• M28: 49,210,519 km (0.112 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: 356 - 11,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit