🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.4

Radius: 11.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.5 AU - 2.16 AU

Year: 1574 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 98.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,522,771 km

• M1: 145,559 km (0.081 R)
• M2: 689,497 km (0.101 R)
• M3: 1,796,371 km (0.057 R)
• M4: 2,756,490 km (0.111 R)
• M5: 4,390,698 km (0.105 R)
• M6: 4,790,722 km (0.098 R)
• M7: 5,195,235 km (0.097 R)
• M8: 6,251,545 km (0.085 R)
• M9: 7,294,841 km (0.078 R)
• M10: 8,533,811 km (0.056 R)
• M11: 9,130,706 km (0.072 R)
• M12: 10,632,220 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.2

Radius: 14.2

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.84 AU - 2.9 AU

Year: 2320 Days

Day: 12.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,522,771 km

• M1: 176,525 km (0.116 R)
• M2: 629,657 km (0.117 R)
• M3: 1,314,816 km (0.074 R)
• M4: 1,766,152 km (0.112 R)
• M5: 2,236,937 km (0.11 R)
• M6: 3,608,600 km (0.05 R)
• M7: 5,235,925 km (0.096 R)
• M8: 5,907,171 km (0.091 R)
• M9: 6,953,608 km (0.045 R)
• M10: 7,535,843 km (0.111 R)
• M11: 9,920,134 km (0.049 R)
• M12: 12,487,383 km (0.101 R)
• M13: 13,099,538 km (0.11 R)
• M14: 13,774,374 km (0.103 R)
• M15: 14,695,148 km (0.096 R)
• M16: 15,516,740 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.2

Radius: 12.9

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.1 AU - 3.32 AU

Year: 2837 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,522,771 km

• M1: 167,998 km (0.092 R)
• M2: 736,620 km (0.11 R)
• M3: 1,557,015 km (0.051 R)
• M4: 2,670,920 km (0.086 R)
• M5: 3,160,853 km (0.107 R)
• M6: 3,710,626 km (0.11 R)
• M7: 4,280,893 km (0.098 R)
• M8: 7,417,062 km (0.049 R)
• M9: 9,713,689 km (0.062 R)
• M10: 10,522,265 km (0.109 R)
• M11: 11,167,930 km (0.117 R)
• M12: 12,943,956 km (0.088 R)
• M13: 13,732,935 km (0.082 R)
• M14: 16,830,808 km (0.112 R)
• M15: 20,305,667 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 11.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.35 AU - 3.21 AU

Year: 2947 Days

Day: 11.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,522,771 km

• M1: 140,472 km (0.106 R)
• M2: 658,530 km (0.086 R)
• M3: 1,157,588 km (0.098 R)
• M4: 1,518,867 km (0.066 R)
• M5: 1,925,175 km (0.104 R)
• M6: 2,646,835 km (0.038 R)
• M7: 3,182,246 km (0.119 R)
• M8: 3,540,682 km (0.07 R)
• M9: 3,908,843 km (0.105 R)
• M10: 5,736,630 km (0.039 R)
• M11: 6,863,999 km (0.097 R)
• M12: 7,878,871 km (0.093 R)
• M13: 8,364,167 km (0.041 R)
• M14: 8,778,702 km (0.075 R)
• M15: 11,273,995 km (0.112 R)
• M16: 12,340,179 km (0.11 R)
• M17: 13,232,380 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 13.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.25 AU - 4.29 AU

Year: 5610 Days

Day: 14.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,522,771 km

• M1: 173,833 km (0.084 R)
• M2: 672,442 km (0.104 R)
• M3: 1,329,925 km (0.091 R)
• M4: 1,779,317 km (0.102 R)
• M5: 2,445,177 km (0.038 R)
• M6: 3,786,322 km (0.037 R)
• M7: 4,684,209 km (0.059 R)
• M8: 6,211,902 km (0.064 R)
• M9: 7,937,214 km (0.113 R)
• M10: 9,789,385 km (0.06 R)
• M11: 11,669,681 km (0.11 R)
• M12: 12,772,666 km (0.112 R)
• M13: 13,349,665 km (0.045 R)
• M14: 15,360,560 km (0.097 R)
• M15: 16,871,199 km (0.101 R)
• M16: 19,697,701 km (0.118 R)
• M17: 21,625,868 km (0.103 R)
• M18: 23,287,601 km (0.091 R)
• M19: 25,196,021 km (0.097 R)
• M20: 26,440,526 km (0.112 R)
• M21: 28,961,998 km (0.039 R)
• M22: 30,419,829 km (0.118 R)
• M23: 31,544,955 km (0.103 R)
• M24: 32,213,957 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.4

Radius: 7.6

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.8 AU - 7 AU

Year: 11524 Days

Day: 18.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,522,771 km

• M1: 94,695 km (0.088 R)
• M2: 453,880 km (0.111 R)
• M3: 829,221 km (0.096 R)
• M4: 1,503,459 km (0.027 R)
• M5: 1,853,069 km (0.107 R)
• M6: 2,395,959 km (0.086 R)
• M7: 2,649,977 km (0.071 R)
• M8: 3,390,935 km (0.094 R)
• M9: 3,657,369 km (0.09 R)
• M10: 7,544,819 km (0.042 R)
• M11: 9,479,718 km (0.116 R)
• M12: 11,190,669 km (0.096 R)
• M13: 11,663,697 km (0.03 R)
• M14: 12,776,556 km (0.041 R)
• M15: 14,997,935 km (0.03 R)
• M16: 15,427,879 km (0.09 R)
• M17: 16,088,054 km (0.12 R)
• M18: 17,308,025 km (0.095 R)
• M19: 18,262,609 km (0.09 R)
• M20: 20,890,595 km (0.049 R)
• M21: 23,472,056 km (0.092 R)
• M22: 25,239,255 km (0.058 R)
• M23: 25,745,494 km (0.104 R)
• M24: 26,258,615 km (0.073 R)
• M25: 26,673,899 km (0.078 R)
• M26: 27,624,294 km (0.109 R)
• M27: 30,268,885 km (0.11 R)
• M28: 33,806,276 km (0.113 R)
• M29: 43,980,727 km (0.12 R)
• M30: 48,346,142 km (0.062 R)
• M31: 57,228,516 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.2

Radius: 5.7

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.6 AU - 10.3 AU

Year: 17024 Days

Day: 24.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,522,771 km

• M1: 70,909 km (0.085 R)
• M2: 363,074 km (0.098 R)
• M3: 542,891 km (0.119 R)
• M4: 840,890 km (0.073 R)
• M5: 1,200,224 km (0.115 R)
• M6: 1,881,193 km (0.102 R)
• M7: 2,641,599 km (0.101 R)
• M8: 2,949,023 km (0.107 R)
• M9: 3,476,804 km (0.111 R)
• M10: 3,775,102 km (0.114 R)
• M11: 4,040,788 km (0.076 R)
• M12: 4,293,010 km (0.074 R)
• M13: 4,475,819 km (0.109 R)
• M14: 4,998,364 km (0.057 R)
• M15: 5,259,712 km (0.039 R)
• M16: 5,653,304 km (0.083 R)
• M17: 7,315,037 km (0.114 R)
• M18: 7,614,232 km (0.112 R)
• M19: 10,496,535 km (0.107 R)
• M20: 12,599,282 km (0.086 R)
• M21: 15,449,870 km (0.075 R)
• M22: 23,658,454 km (0.105 R)
• M23: 24,561,278 km (0.115 R)
• M24: 26,348,374 km (0.073 R)
• M25: 27,497,136 km (0.052 R)
• M26: 34,261,802 km (0.054 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 10,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit