🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.47 AU - 0.61 AU

Year: 260 Days

Day: 34.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 57.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 11.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.09 AU - 1.13 AU

Year: 767 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,035,471 km

• M1: 138,079 km (0.119 R)
• M2: 499,507 km (0.08 R)
• M3: 929,751 km (0.093 R)
• M4: 1,280,857 km (0.088 R)
• M5: 1,780,813 km (0.102 R)
• M6: 2,557,525 km (0.11 R)
• M7: 2,969,518 km (0.026 R)
• M8: 3,588,105 km (0.1 R)
• M9: 4,061,881 km (0.085 R)
• M10: 4,642,620 km (0.113 R)
• M11: 6,127,529 km (0.064 R)
• M12: 7,066,255 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.1

Radius: 12.7

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.88 AU - 1.46 AU

Year: 830 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,035,471 km

• M1: 157,975 km (0.061 R)
• M2: 659,427 km (0.1 R)
• M3: 1,224,758 km (0.077 R)
• M4: 1,958,835 km (0.081 R)
• M5: 2,472,105 km (0.117 R)
• M6: 3,250,463 km (0.09 R)
• M7: 3,835,390 km (0.108 R)
• M8: 5,430,702 km (0.115 R)
• M9: 5,896,400 km (0.093 R)
• M10: 6,344,745 km (0.119 R)
• M11: 7,879,170 km (0.115 R)
• M12: 8,584,674 km (0.051 R)
• M13: 9,677,636 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.8

Radius: 9.3

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.11 AU - 1.47 AU

Year: 961 Days

Day: 12.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,035,471 km

• M1: 115,639 km (0.068 R)
• M2: 646,562 km (0.112 R)
• M3: 937,081 km (0.057 R)
• M4: 1,458,130 km (0.096 R)
• M5: 1,763,161 km (0.069 R)
• M6: 2,352,726 km (0.078 R)
• M7: 3,368,944 km (0.1 R)
• M8: 5,195,684 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642

Radius: 6.8

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.35 AU - 7.47 AU

Year: 10646 Days

Day: 18.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,035,471 km

• M1: 84,523 km (0.099 R)
• M2: 1,024,297 km (0.063 R)
• M3: 1,525,001 km (0.074 R)
• M4: 1,807,441 km (0.118 R)
• M5: 3,139,461 km (0.091 R)
• M6: 4,683,610 km (0.113 R)
• M7: 6,151,016 km (0.111 R)
• M8: 6,447,369 km (0.086 R)
• M9: 8,251,968 km (0.113 R)
• M10: 11,947,185 km (0.1 R)
• M11: 14,442,478 km (0.107 R)
• M12: 14,900,696 km (0.117 R)
• M13: 16,404,005 km (0.116 R)
• M14: 17,930,801 km (0.096 R)
• M15: 18,231,941 km (0.084 R)
• M16: 21,348,065 km (0.069 R)
• M17: 22,635,654 km (0.091 R)
• M18: 23,792,644 km (0.067 R)
• M19: 24,801,981 km (0.1 R)
• M20: 27,900,302 km (0.107 R)
• M21: 30,922,777 km (0.112 R)
• M22: 35,795,629 km (0.041 R)
• M23: 37,609,054 km (0.119 R)
• M24: 39,229,498 km (0.042 R)
• M25: 45,896,178 km (0.09 R)
• M26: 48,907,882 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.8

Radius: 6

Gravity: 23.8 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.09 AU - 7.73 AU

Year: 10646 Days

Day: 18 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,035,471 km

• M1: 83,027 km (0.063 R)
• M2: 329,564 km (0.113 R)
• M3: 517,758 km (0.043 R)
• M4: 987,346 km (0.087 R)
• M5: 1,242,410 km (0.112 R)
• M6: 1,615,358 km (0.109 R)
• M7: 1,954,795 km (0.093 R)
• M8: 2,340,758 km (0.077 R)
• M9: 2,842,808 km (0.026 R)
• M10: 3,620,268 km (0.115 R)
• M11: 3,890,143 km (0.094 R)
• M12: 4,087,014 km (0.091 R)
• M13: 5,551,128 km (0.092 R)
• M14: 7,334,185 km (0.11 R)
• M15: 7,855,683 km (0.114 R)
• M16: 8,080,080 km (0.071 R)
• M17: 8,875,342 km (0.083 R)
• M18: 9,217,622 km (0.115 R)
• M19: 9,619,442 km (0.084 R)
• M20: 10,895,213 km (0.026 R)
• M21: 11,118,263 km (0.098 R)
• M22: 11,805,965 km (0.114 R)
• M23: 13,139,630 km (0.116 R)
• M24: 14,910,121 km (0.072 R)
• M25: 16,982,350 km (0.073 R)
• M26: 19,077,319 km (0.067 R)
• M27: 22,130,462 km (0.096 R)
• M28: 24,148,387 km (0.11 R)
• M29: 25,396,632 km (0.062 R)
• M30: 26,285,543 km (0.085 R)
• M31: 26,586,384 km (0.106 R)
• M32: 29,183,852 km (0.119 R)
• M33: 33,801,788 km (0.082 R)
• M34: 42,632,850 km (0.12 R)
• M35: 48,999,436 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.3

Radius: 5

Gravity: 32.17 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.29 AU - 6.57 AU

Year: 10696 Days

Day: 22.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,035,471 km

• M1: 62,981 km (0.12 R)
• M2: 497,563 km (0.063 R)
• M3: 801,545 km (0.039 R)
• M4: 1,172,847 km (0.095 R)
• M5: 1,404,574 km (0.099 R)
• M6: 1,635,853 km (0.035 R)
• M7: 2,030,492 km (0.074 R)
• M8: 2,652,071 km (0.032 R)
• M9: 3,124,052 km (0.111 R)
• M10: 3,920,362 km (0.089 R)
• M11: 5,104,130 km (0.106 R)
• M12: 5,442,371 km (0.099 R)
• M13: 6,547,300 km (0.088 R)
• M14: 6,906,036 km (0.063 R)
• M15: 7,489,917 km (0.115 R)
• M16: 7,750,067 km (0.07 R)
• M17: 9,389,062 km (0.117 R)
• M18: 10,801,565 km (0.066 R)
• M19: 13,910,208 km (0.06 R)
• M20: 14,906,979 km (0.068 R)
• M21: 15,318,672 km (0.119 R)
• M22: 16,967,241 km (0.083 R)
• M23: 19,371,578 km (0.12 R)
• M24: 25,713,929 km (0.087 R)
• M25: 30,049,724 km (0.085 R)
• M26: 30,927,265 km (0.108 R)
• M27: 33,312,155 km (0.094 R)
• M28: 34,015,414 km (0.101 R)
• M29: 38,188,596 km (0.041 R)
• M30: 41,871,546 km (0.054 R)
• M31: 42,827,926 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.4

Radius: 3.1

Gravity: 62.48 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.14 AU - 8.88 AU

Year: 13501 Days

Day: 17.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,035,471 km

• M1: 38,596 km (0.065 R)
• M2: 209,287 km (0.037 R)
• M3: 520,900 km (0.036 R)
• M4: 774,618 km (0.105 R)
• M5: 1,321,248 km (0.068 R)
• M6: 1,643,033 km (0.095 R)
• M7: 1,978,581 km (0.048 R)
• M8: 2,337,916 km (0.095 R)
• M9: 2,694,856 km (0.068 R)
• M10: 3,926,196 km (0.073 R)
• M11: 4,128,303 km (0.107 R)
• M12: 5,889,519 km (0.096 R)
• M13: 6,626,587 km (0.091 R)
• M14: 6,830,340 km (0.057 R)
• M15: 9,355,103 km (0.101 R)
• M16: 11,834,089 km (0.078 R)
• M17: 15,416,659 km (0.064 R)
• M18: 21,113,944 km (0.036 R)
• M19: 30,575,860 km (0.082 R)
• M20: 30,913,502 km (0.096 R)
• M21: 31,253,538 km (0.056 R)
• M22: 35,284,303 km (0.083 R)
• M23: 42,795,164 km (0.071 R)
• M24: 44,070,635 km (0.083 R)
• M25: 50,046,920 km (0.097 R)
• M26: 51,462,266 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 13,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit