🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.56 AU - 0.7 AU

Year: 221 Days

Day: 35.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 7.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 84,923,516 km

• M1: 23,786 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.52 AU - 0.82 AU

Year: 243 Days

Day: 27.6 Hours

Environment

Temp: -19 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 84,923,516 km

• M1: 58,942 km (0.046 R)
• M2: 234,121 km (0.032 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.89 AU - 2.05 AU

Year: 1225 Days

Day: 36.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.8

Radius: 14

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.85 AU - 3.55 AU

Year: 2535 Days

Day: 8.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,923,516 km

• M1: 361,877 km (0.108 R)
• M2: 801,994 km (0.036 R)
• M3: 1,331,271 km (0.026 R)
• M4: 1,894,956 km (0.063 R)
• M5: 2,489,458 km (0.068 R)
• M6: 3,141,106 km (0.099 R)
• M7: 4,745,394 km (0.111 R)
• M8: 5,315,362 km (0.096 R)
• M9: 10,637,755 km (0.043 R)
• M10: 11,821,224 km (0.086 R)
• M11: 15,163,091 km (0.105 R)
• M12: 17,659,281 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.8

Radius: 11.8

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.61 AU - 3.95 AU

Year: 2631 Days

Day: 9.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,923,516 km

• M1: 146,905 km (0.062 R)
• M2: 516,561 km (0.096 R)
• M3: 1,015,770 km (0.106 R)
• M4: 2,188,766 km (0.072 R)
• M5: 2,822,613 km (0.091 R)
• M6: 3,209,922 km (0.091 R)
• M7: 3,594,687 km (0.085 R)
• M8: 4,198,315 km (0.102 R)
• M9: 4,751,976 km (0.1 R)
• M10: 5,205,108 km (0.119 R)
• M11: 6,088,185 km (0.085 R)
• M12: 7,854,487 km (0.11 R)
• M13: 10,684,130 km (0.118 R)
• M14: 12,684,254 km (0.055 R)
• M15: 14,475,090 km (0.055 R)
• M16: 15,793,795 km (0.057 R)
• M17: 16,536,249 km (0.098 R)
• M18: 17,524,792 km (0.106 R)
• M19: 19,499,035 km (0.117 R)
• M20: 19,984,331 km (0.087 R)
• M21: 20,727,533 km (0.041 R)
• M22: 21,360,631 km (0.106 R)

Asteroid Belt

Center: 3.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.4

Radius: 8.3

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.88 AU - 4.92 AU

Year: 4088 Days

Day: 6.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,923,516 km

• M1: 103,223 km (0.104 R)
• M2: 364,121 km (0.106 R)
• M3: 740,061 km (0.108 R)
• M4: 1,339,948 km (0.069 R)
• M5: 1,660,686 km (0.097 R)
• M6: 2,372,173 km (0.116 R)
• M7: 3,474,261 km (0.095 R)
• M8: 4,363,620 km (0.119 R)
• M9: 4,838,294 km (0.053 R)
• M10: 5,198,077 km (0.086 R)
• M11: 5,758,022 km (0.091 R)
• M12: 7,334,036 km (0.116 R)
• M13: 8,717,367 km (0.073 R)
• M14: 9,433,791 km (0.093 R)
• M15: 10,188,961 km (0.114 R)
• M16: 10,581,357 km (0.086 R)
• M17: 13,105,372 km (0.073 R)
• M18: 13,996,826 km (0.094 R)
• M19: 14,629,774 km (0.117 R)
• M20: 15,028,602 km (0.118 R)
• M21: 16,968,587 km (0.083 R)
• M22: 17,970,295 km (0.114 R)
• M23: 18,893,164 km (0.063 R)
• M24: 20,152,180 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 13.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.53 AU - 7.95 AU

Year: 7750 Days

Day: 8.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,923,516 km

• M1: 167,849 km (0.069 R)
• M2: 903,571 km (0.071 R)
• M3: 1,561,951 km (0.037 R)
• M4: 2,325,499 km (0.036 R)
• M5: 2,811,842 km (0.093 R)
• M6: 3,249,565 km (0.096 R)
• M7: 4,573,955 km (0.059 R)
• M8: 5,318,354 km (0.116 R)
• M9: 6,663,538 km (0.097 R)
• M10: 9,326,978 km (0.072 R)
• M11: 10,873,820 km (0.119 R)
• M12: 11,501,683 km (0.052 R)
• M13: 12,296,496 km (0.057 R)
• M14: 12,928,697 km (0.086 R)
• M15: 21,667,606 km (0.106 R)
• M16: 23,098,958 km (0.039 R)
• M17: 23,614,473 km (0.096 R)
• M18: 26,790,136 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 15

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.17 AU - 9.43 AU

Year: 12562 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,923,516 km

• M1: 186,698 km (0.117 R)
• M2: 978,071 km (0.049 R)
• M3: 2,156,753 km (0.108 R)
• M4: 3,686,989 km (0.096 R)
• M5: 4,950,942 km (0.11 R)
• M6: 5,683,373 km (0.039 R)
• M7: 6,394,411 km (0.103 R)
• M8: 8,139,770 km (0.095 R)
• M9: 14,828,440 km (0.118 R)
• M10: 16,179,159 km (0.12 R)
• M11: 17,124,319 km (0.12 R)
• M12: 21,697,974 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.7

Radius: 4.7

Gravity: 31.36 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 12.87 AU - 15.33 AU

Year: 23451 Days

Day: 22.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,923,516 km

• M1: 79,736 km (0.052 R)
• M2: 249,230 km (0.116 R)
• M3: 399,576 km (0.083 R)
• M4: 687,701 km (0.106 R)
• M5: 1,091,017 km (0.053 R)
• M6: 1,482,216 km (0.077 R)
• M7: 2,043,806 km (0.062 R)
• M8: 2,215,096 km (0.116 R)
• M9: 3,952,226 km (0.07 R)
• M10: 4,751,976 km (0.11 R)
• M11: 5,993,489 km (0.047 R)
• M12: 6,758,832 km (0.042 R)
• M13: 7,436,510 km (0.105 R)
• M14: 10,165,475 km (0.094 R)
• M15: 11,717,852 km (0.038 R)
• M16: 12,764,588 km (0.051 R)
• M17: 13,948,057 km (0.119 R)
• M18: 17,223,502 km (0.071 R)
• M19: 24,015,844 km (0.109 R)
• M20: 24,456,858 km (0.082 R)
• M21: 27,216,490 km (0.117 R)
• M22: 30,819,256 km (0.076 R)
• M23: 32,801,727 km (0.032 R)
• M24: 33,208,334 km (0.069 R)
• M25: 35,575,271 km (0.033 R)
• M26: 37,755,062 km (0.036 R)
• M27: 38,351,060 km (0.107 R)
• M28: 41,425,296 km (0.116 R)
• M29: 43,836,066 km (0.094 R)
• M30: 57,106,594 km (0.074 R)
• M31: 59,282,794 km (0.029 R)
• M32: 65,070,287 km (0.099 R)
• M33: 68,100,242 km (0.111 R)
• M34: 79,932,835 km (0.107 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 13,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit