🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.54 AU - 0.64 AU

Year: 288 Days

Day: 27.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.9

Radius: 9.9

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.13 AU - 1.75 AU

Year: 1099 Days

Day: 9.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,304,789 km

• M1: 126,111 km (0.116 R)
• M2: 671,096 km (0.115 R)
• M3: 1,254,677 km (0.084 R)
• M4: 1,767,200 km (0.098 R)
• M5: 2,864,949 km (0.11 R)
• M6: 3,370,141 km (0.111 R)
• M7: 4,264,287 km (0.061 R)
• M8: 4,685,106 km (0.087 R)
• M9: 6,470,706 km (0.104 R)
• M10: 6,956,451 km (0.115 R)
• M11: 7,819,929 km (0.103 R)
• M12: 9,232,582 km (0.046 R)
• M13: 10,681,138 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.8

Radius: 14.5

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.77 AU - 2.25 AU

Year: 1812 Days

Day: 6.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,304,789 km

• M1: 180,565 km (0.1 R)
• M2: 684,709 km (0.066 R)
• M3: 1,239,867 km (0.077 R)
• M4: 2,008,950 km (0.073 R)
• M5: 2,771,450 km (0.115 R)
• M6: 3,269,312 km (0.1 R)
• M7: 3,935,172 km (0.118 R)
• M8: 4,588,615 km (0.032 R)
• M9: 5,092,760 km (0.115 R)
• M10: 6,064,847 km (0.119 R)
• M11: 6,859,362 km (0.099 R)
• M12: 7,323,863 km (0.089 R)
• M13: 9,167,358 km (0.065 R)
• M14: 11,266,066 km (0.065 R)
• M15: 11,798,634 km (0.09 R)
• M16: 13,371,806 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.4

Radius: 9.3

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.56 AU - 2.52 AU

Year: 1853 Days

Day: 10.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,304,789 km

• M1: 116,986 km (0.118 R)
• M2: 408,103 km (0.077 R)
• M3: 760,705 km (0.103 R)
• M4: 1,184,366 km (0.083 R)
• M5: 1,521,410 km (0.085 R)
• M6: 2,049,940 km (0.104 R)
• M7: 2,345,844 km (0.119 R)
• M8: 2,749,758 km (0.093 R)
• M9: 3,632,835 km (0.108 R)
• M10: 5,172,346 km (0.115 R)
• M11: 5,595,260 km (0.082 R)
• M12: 6,462,628 km (0.086 R)
• M13: 7,873,037 km (0.118 R)
• M14: 8,665,307 km (0.1 R)
• M15: 9,354,953 km (0.063 R)
• M16: 11,326,354 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 8.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.51 AU - 4.07 AU

Year: 4691 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 179.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,304,789 km

• M1: 122,371 km (0.05 R)
• M2: 469,438 km (0.119 R)
• M3: 825,631 km (0.116 R)
• M4: 1,811,331 km (0.118 R)
• M5: 2,934,661 km (0.113 R)
• M6: 5,616,802 km (0.084 R)
• M7: 6,193,352 km (0.117 R)
• M8: 8,391,543 km (0.05 R)
• M9: 10,825,052 km (0.078 R)
• M10: 17,247,139 km (0.093 R)
• M11: 19,615,572 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.1

Radius: 9.3

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.15 AU - 6.17 AU

Year: 8562 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,304,789 km

• M1: 118,930 km (0.089 R)
• M2: 417,677 km (0.103 R)
• M3: 1,291,329 km (0.116 R)
• M4: 2,795,984 km (0.065 R)
• M5: 3,191,970 km (0.117 R)
• M6: 4,151,939 km (0.115 R)
• M7: 4,639,180 km (0.098 R)
• M8: 8,183,602 km (0.12 R)
• M9: 9,715,933 km (0.095 R)
• M10: 10,523,911 km (0.119 R)
• M11: 15,517,039 km (0.099 R)
• M12: 17,190,740 km (0.11 R)
• M13: 18,446,913 km (0.049 R)
• M14: 26,323,989 km (0.052 R)
• M15: 26,807,041 km (0.077 R)
• M16: 34,894,601 km (0.034 R)
• M17: 39,237,278 km (0.071 R)
• M18: 40,890,035 km (0.097 R)
• M19: 45,017,739 km (0.065 R)
• M20: 45,431,377 km (0.065 R)
• M21: 47,537,715 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.5

Radius: 13.2

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.67 AU - 6.91 AU

Year: 8858 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,304,789 km

• M1: 164,558 km (0.062 R)
• M2: 809,324 km (0.117 R)
• M3: 1,545,047 km (0.103 R)
• M4: 2,088,087 km (0.063 R)
• M5: 3,257,494 km (0.047 R)
• M6: 4,357,038 km (0.085 R)
• M7: 5,758,471 km (0.116 R)
• M8: 8,870,555 km (0.041 R)
• M9: 9,385,322 km (0.114 R)
• M10: 14,570,234 km (0.093 R)
• M11: 15,757,443 km (0.057 R)
• M12: 16,374,684 km (0.074 R)
• M13: 21,239,906 km (0.119 R)
• M14: 25,280,544 km (0.085 R)
• M15: 29,086,015 km (0.114 R)
• M16: 36,606,898 km (0.082 R)
• M17: 41,069,552 km (0.094 R)
• M18: 42,634,346 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245

Radius: 6.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.08 AU - 10.22 AU

Year: 19060 Days

Day: 15.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,304,789 km

• M1: 80,783 km (0.067 R)
• M2: 439,070 km (0.102 R)
• M3: 896,839 km (0.118 R)
• M4: 2,281,816 km (0.096 R)
• M5: 2,641,300 km (0.1 R)
• M6: 4,089,856 km (0.1 R)
• M7: 4,409,248 km (0.076 R)
• M8: 4,682,862 km (0.07 R)
• M9: 5,098,146 km (0.096 R)
• M10: 5,537,515 km (0.094 R)
• M11: 7,381,608 km (0.104 R)
• M12: 9,252,180 km (0.072 R)
• M13: 10,113,115 km (0.099 R)
• M14: 15,858,272 km (0.099 R)
• M15: 16,719,956 km (0.086 R)
• M16: 20,147,392 km (0.087 R)
• M17: 27,324,051 km (0.1 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: 464 - 12,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit