🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.5 AU - 0.64 AU

Year: 198 Days

Day: 15.6 Hours

Environment

Temp: -8 °C

Axial Tilt: 35.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.75 AU - 0.93 AU

Year: 354 Days

Day: 25.8 Hours

Environment

Temp: -68 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.93 AU - 1.09 AU

Year: 467 Days

Day: 31.8 Hours

Environment

Temp: -84 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 11.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.37 AU - 4.85 AU

Year: 4555 Days

Day: 14.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,346,551 km

• M1: 145,409 km (0.087 R)
• M2: 540,048 km (0.052 R)
• M3: 972,237 km (0.118 R)
• M4: 1,661,883 km (0.119 R)
• M5: 2,331,782 km (0.104 R)
• M6: 3,075,433 km (0.107 R)
• M7: 3,503,433 km (0.089 R)
• M8: 3,990,673 km (0.097 R)
• M9: 6,141,741 km (0.081 R)
• M10: 11,142,498 km (0.076 R)
• M11: 11,950,925 km (0.059 R)
• M12: 15,481,435 km (0.026 R)
• M13: 17,059,842 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438

Radius: 13

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.63 AU - 5.81 AU

Year: 4719 Days

Day: 13 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,346,551 km

• M1: 161,715 km (0.064 R)
• M2: 673,190 km (0.08 R)
• M3: 1,603,091 km (0.049 R)
• M4: 3,196,159 km (0.081 R)
• M5: 3,638,071 km (0.097 R)
• M6: 4,143,113 km (0.1 R)
• M7: 5,723,315 km (0.117 R)
• M8: 7,474,807 km (0.076 R)
• M9: 17,108,312 km (0.079 R)
• M10: 21,889,160 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.7

Radius: 13.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.5 AU - 7.82 AU

Year: 9756 Days

Day: 11.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,346,551 km

• M1: 197,469 km (0.102 R)
• M2: 661,372 km (0.088 R)
• M3: 1,447,659 km (0.091 R)
• M4: 1,885,532 km (0.089 R)
• M5: 2,573,831 km (0.103 R)
• M6: 4,141,617 km (0.118 R)
• M7: 4,646,061 km (0.074 R)
• M8: 6,584,999 km (0.114 R)
• M9: 7,274,944 km (0.032 R)
• M10: 9,866,877 km (0.057 R)
• M11: 11,168,528 km (0.087 R)
• M12: 12,365,162 km (0.095 R)
• M13: 13,818,954 km (0.11 R)
• M14: 15,761,033 km (0.08 R)
• M15: 17,604,528 km (0.067 R)
• M16: 18,087,131 km (0.101 R)
• M17: 19,441,440 km (0.053 R)
• M18: 21,480,908 km (0.052 R)
• M19: 23,659,502 km (0.091 R)
• M20: 26,159,432 km (0.108 R)
• M21: 29,598,537 km (0.103 R)
• M22: 33,328,311 km (0.066 R)
• M23: 34,494,875 km (0.099 R)
• M24: 36,685,587 km (0.04 R)
• M25: 37,815,051 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 9

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.58 AU - 8.68 AU

Year: 10667 Days

Day: 13.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,346,551 km

• M1: 111,899 km (0.108 R)
• M2: 482,453 km (0.058 R)
• M3: 866,620 km (0.061 R)
• M4: 1,506,451 km (0.084 R)
• M5: 2,357,363 km (0.11 R)
• M6: 2,814,534 km (0.071 R)
• M7: 4,261,295 km (0.092 R)
• M8: 4,697,224 km (0.098 R)
• M9: 5,556,963 km (0.101 R)
• M10: 5,971,199 km (0.044 R)
• M11: 6,939,696 km (0.051 R)
• M12: 8,404,259 km (0.108 R)
• M13: 9,233,031 km (0.119 R)
• M14: 10,369,825 km (0.109 R)
• M15: 12,682,459 km (0.116 R)
• M16: 13,279,953 km (0.113 R)
• M17: 18,075,312 km (0.074 R)
• M18: 18,375,555 km (0.085 R)
• M19: 19,688,875 km (0.117 R)
• M20: 20,166,990 km (0.083 R)
• M21: 21,732,232 km (0.086 R)
• M22: 22,761,615 km (0.077 R)
• M23: 28,400,857 km (0.095 R)
• M24: 29,838,941 km (0.058 R)
• M25: 30,469,945 km (0.099 R)
• M26: 30,895,551 km (0.042 R)
• M27: 34,100,386 km (0.034 R)
• M28: 35,842,154 km (0.086 R)
• M29: 37,277,545 km (0.088 R)
• M30: 39,881,147 km (0.094 R)
• M31: 41,813,353 km (0.104 R)
• M32: 44,759,085 km (0.116 R)
• M33: 46,704,156 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.4

Radius: 4.4

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 12.3 AU - 13.62 AU

Year: 21470 Days

Day: 21.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,346,551 km

• M1: 55,650 km (0.068 R)
• M2: 336,146 km (0.066 R)
• M3: 518,656 km (0.111 R)
• M4: 913,295 km (0.052 R)
• M5: 1,102,237 km (0.086 R)
• M6: 1,544,448 km (0.112 R)
• M7: 2,005,060 km (0.042 R)
• M8: 2,530,897 km (0.074 R)
• M9: 3,267,068 km (0.09 R)
• M10: 3,576,885 km (0.079 R)
• M11: 3,794,251 km (0.08 R)
• M12: 6,125,734 km (0.083 R)
• M13: 6,636,910 km (0.055 R)
• M14: 7,049,052 km (0.112 R)
• M15: 7,390,883 km (0.114 R)
• M16: 8,061,530 km (0.117 R)
• M17: 10,589,734 km (0.101 R)
• M18: 11,972,168 km (0.099 R)
• M19: 13,148,606 km (0.105 R)
• M20: 15,159,799 km (0.091 R)
• M21: 16,091,645 km (0.089 R)
• M22: 16,385,904 km (0.074 R)
• M23: 16,683,753 km (0.118 R)
• M24: 17,061,188 km (0.093 R)
• M25: 18,466,810 km (0.045 R)
• M26: 19,280,174 km (0.115 R)
• M27: 20,202,145 km (0.109 R)
• M28: 25,256,459 km (0.063 R)
• M29: 34,018,406 km (0.116 R)
• M30: 43,603,291 km (0.077 R)
• M31: 43,888,425 km (0.094 R)
• M32: 46,067,617 km (0.045 R)
• M33: 48,470,458 km (0.053 R)
• M34: 55,506,345 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 13,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit