🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.5 AU - 0.78 AU

Year: 216 Days

Day: 40.8 Hours

Environment

Temp: 32 °C

Axial Tilt: 22.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 61,304,969 km

• M1: 379,829 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.54 AU - 0.88 AU

Year: 252 Days

Day: 33.1 Hours

Environment

Temp: 6 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.84 AU - 2.36 AU

Year: 1283 Days

Day: 18.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,304,969 km

• M1: 1,453,194 km (0.074 R)

Asteroid Belt

Center: 2.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.2

Radius: 8.4

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.89 AU - 4.23 AU

Year: 2833 Days

Day: 8.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,304,969 km

• M1: 104,419 km (0.119 R)
• M2: 462,856 km (0.074 R)
• M3: 768,783 km (0.034 R)
• M4: 1,204,712 km (0.083 R)
• M5: 1,503,309 km (0.117 R)
• M6: 1,938,489 km (0.101 R)
• M7: 2,228,859 km (0.088 R)
• M8: 2,548,250 km (0.063 R)
• M9: 2,825,754 km (0.077 R)
• M10: 3,979,154 km (0.079 R)
• M11: 4,258,453 km (0.11 R)
• M12: 5,330,172 km (0.107 R)
• M13: 6,000,819 km (0.116 R)
• M14: 6,319,313 km (0.087 R)
• M15: 7,178,753 km (0.084 R)
• M16: 7,679,158 km (0.065 R)
• M17: 8,054,948 km (0.112 R)
• M18: 8,534,259 km (0.049 R)
• M19: 9,064,285 km (0.055 R)
• M20: 9,816,014 km (0.064 R)
• M21: 11,705,734 km (0.093 R)
• M22: 12,438,614 km (0.094 R)
• M23: 13,407,709 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372

Radius: 9.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.92 AU - 4.34 AU

Year: 2917 Days

Day: 6.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 161.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,304,969 km

• M1: 120,875 km (0.106 R)
• M2: 425,307 km (0.093 R)
• M3: 720,912 km (0.06 R)
• M4: 1,092,962 km (0.078 R)
• M5: 1,553,574 km (0.1 R)
• M6: 1,948,811 km (0.075 R)
• M7: 2,807,952 km (0.119 R)
• M8: 4,208,936 km (0.106 R)
• M9: 5,827,884 km (0.115 R)
• M10: 6,440,936 km (0.105 R)
• M11: 7,324,611 km (0.098 R)
• M12: 7,735,706 km (0.081 R)
• M13: 8,444,650 km (0.086 R)
• M14: 8,929,796 km (0.101 R)
• M15: 9,675,093 km (0.113 R)
• M16: 10,832,382 km (0.076 R)
• M17: 11,878,520 km (0.088 R)
• M18: 12,737,660 km (0.093 R)
• M19: 13,333,060 km (0.066 R)
• M20: 14,215,837 km (0.077 R)
• M21: 14,533,732 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.9

Radius: 13.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.68 AU - 4.74 AU

Year: 4311 Days

Day: 10.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,304,969 km

• M1: 166,652 km (0.095 R)
• M2: 592,408 km (0.091 R)
• M3: 1,229,694 km (0.084 R)
• M4: 1,764,507 km (0.109 R)
• M5: 3,506,574 km (0.099 R)
• M6: 5,521,657 km (0.043 R)
• M7: 10,172,805 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 13.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.09 AU - 6.77 AU

Year: 5337 Days

Day: 10 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,304,969 km

• M1: 170,392 km (0.026 R)
• M2: 653,443 km (0.071 R)
• M3: 1,125,574 km (0.077 R)
• M4: 1,585,588 km (0.049 R)
• M5: 2,829,195 km (0.033 R)
• M6: 5,557,860 km (0.059 R)
• M7: 6,417,001 km (0.108 R)
• M8: 7,326,406 km (0.113 R)
• M9: 8,440,312 km (0.061 R)
• M10: 9,186,656 km (0.116 R)
• M11: 11,294,938 km (0.07 R)
• M12: 12,567,568 km (0.091 R)
• M13: 13,048,525 km (0.114 R)
• M14: 14,682,283 km (0.036 R)
• M15: 15,701,344 km (0.117 R)
• M16: 16,196,961 km (0.078 R)
• M17: 17,219,613 km (0.06 R)
• M18: 19,535,388 km (0.118 R)
• M19: 22,051,773 km (0.044 R)
• M20: 22,595,562 km (0.064 R)
• M21: 24,198,652 km (0.112 R)
• M22: 26,394,600 km (0.107 R)
• M23: 33,776,506 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.7

Radius: 7.7

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.69 AU - 12.21 AU

Year: 15282 Days

Day: 16.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 179.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,304,969 km

• M1: 95,892 km (0.092 R)
• M2: 374,593 km (0.095 R)
• M3: 850,613 km (0.098 R)
• M4: 1,096,852 km (0.044 R)
• M5: 1,480,869 km (0.071 R)
• M6: 1,843,345 km (0.101 R)
• M7: 3,433,271 km (0.076 R)
• M8: 4,617,937 km (0.103 R)
• M9: 4,891,102 km (0.063 R)
• M10: 6,852,181 km (0.115 R)
• M11: 7,208,523 km (0.117 R)
• M12: 10,287,696 km (0.113 R)
• M13: 15,547,108 km (0.079 R)
• M14: 16,635,582 km (0.099 R)
• M15: 18,790,390 km (0.114 R)
• M16: 19,934,664 km (0.101 R)
• M17: 20,569,707 km (0.047 R)
• M18: 21,784,741 km (0.079 R)
• M19: 27,457,642 km (0.102 R)
• M20: 28,929,087 km (0.12 R)
• M21: 31,538,074 km (0.106 R)
• M22: 32,152,173 km (0.109 R)
• M23: 32,774,201 km (0.081 R)
• M24: 34,558,604 km (0.099 R)
• M25: 35,739,380 km (0.116 R)
• M26: 36,005,365 km (0.09 R)
• M27: 39,726,762 km (0.083 R)
• M28: 42,643,322 km (0.101 R)
• M29: 45,231,963 km (0.111 R)
• M30: 47,441,075 km (0.114 R)
• M31: 49,390,934 km (0.069 R)
• M32: 53,797,937 km (0.102 R)
• M33: 54,147,398 km (0.052 R)
• M34: 59,386,465 km (0.078 R)
• M35: 62,224,337 km (0.104 R)
• M36: 64,953,451 km (0.055 R)
• M37: 66,950,881 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.3

Radius: 7.8

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 10.15 AU - 14.13 AU

Year: 17840 Days

Day: 23.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,304,969 km

• M1: 98,136 km (0.109 R)
• M2: 352,453 km (0.043 R)
• M3: 1,019,360 km (0.111 R)
• M4: 1,469,649 km (0.047 R)
• M5: 2,065,348 km (0.092 R)
• M6: 2,524,015 km (0.038 R)
• M7: 2,952,763 km (0.103 R)
• M8: 5,240,114 km (0.07 R)
• M9: 6,574,228 km (0.113 R)
• M10: 7,298,132 km (0.047 R)
• M11: 7,702,196 km (0.068 R)
• M12: 9,106,621 km (0.042 R)
• M13: 12,225,736 km (0.098 R)
• M14: 14,473,893 km (0.115 R)
• M15: 15,184,333 km (0.095 R)
• M16: 17,534,516 km (0.113 R)
• M17: 26,126,221 km (0.098 R)
• M18: 29,255,210 km (0.095 R)
• M19: 29,932,440 km (0.105 R)
• M20: 30,851,569 km (0.045 R)
• M21: 33,353,593 km (0.075 R)
• M22: 46,373,844 km (0.078 R)
• M23: 54,929,645 km (0.111 R)
• M24: 57,177,952 km (0.079 R)
• M25: 58,413,780 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 19,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit