🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.65 AU - 0.67 AU

Year: 187 Days

Day: 27 Hours

Environment

Temp: 152 °C

Axial Tilt: 29.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.16 AU - 1.84 AU

Year: 640 Days

Day: 40.6 Hours

Environment

Temp: -15 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.82 AU - 1.92 AU

Year: 891 Days

Day: 33.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.69 AU - 2.27 AU

Year: 970 Days

Day: 32.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,337,116 km

• M1: 926,908 km (0.045 R)
• M2: 1,213,688 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.03 AU - 2.37 AU

Year: 1136 Days

Day: 22.3 Hours

Environment

Temp: -65 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.7

Radius: 5.1

Gravity: 14.75 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 13.39 AU - 15.29 AU

Year: 18911 Days

Day: 18.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,337,116 km

• M1: 64,327 km (0.054 R)
• M2: 271,221 km (0.098 R)
• M3: 517,908 km (0.087 R)
• M4: 1,360,293 km (0.095 R)
• M5: 1,676,992 km (0.045 R)
• M6: 2,435,902 km (0.043 R)
• M7: 2,856,272 km (0.063 R)
• M8: 3,047,159 km (0.093 R)
• M9: 3,297,735 km (0.044 R)
• M10: 3,755,355 km (0.116 R)
• M11: 3,984,689 km (0.108 R)
• M12: 4,631,999 km (0.07 R)
• M13: 5,749,196 km (0.061 R)
• M14: 6,573,330 km (0.105 R)
• M15: 8,948,496 km (0.111 R)
• M16: 9,888,419 km (0.027 R)
• M17: 10,215,889 km (0.116 R)
• M18: 10,494,291 km (0.072 R)
• M19: 10,892,520 km (0.092 R)
• M20: 11,183,189 km (0.105 R)
• M21: 11,779,785 km (0.066 R)
• M22: 13,496,421 km (0.032 R)
• M23: 14,729,406 km (0.082 R)
• M24: 19,978,945 km (0.118 R)
• M25: 20,239,395 km (0.087 R)
• M26: 21,034,508 km (0.033 R)
• M27: 25,732,479 km (0.092 R)
• M28: 28,160,453 km (0.115 R)
• M29: 32,739,494 km (0.097 R)
• M30: 35,078,457 km (0.106 R)
• M31: 35,330,978 km (0.082 R)
• M32: 39,948,466 km (0.1 R)
• M33: 55,323,836 km (0.094 R)
• M34: 59,344,428 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947

Radius: 7.5

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 14.6 AU - 17.14 AU

Year: 22017 Days

Day: 18.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 52,337,116 km

• M1: 98,286 km (0.08 R)
• M2: 379,979 km (0.078 R)
• M3: 848,519 km (0.109 R)
• M4: 1,625,680 km (0.082 R)
• M5: 1,870,123 km (0.114 R)
• M6: 2,139,399 km (0.068 R)
• M7: 4,305,277 km (0.049 R)
• M8: 4,629,157 km (0.118 R)
• M9: 5,572,969 km (0.09 R)
• M10: 6,002,016 km (0.075 R)
• M11: 6,733,999 km (0.102 R)
• M12: 8,374,788 km (0.084 R)
• M13: 9,526,093 km (0.056 R)
• M14: 10,844,798 km (0.079 R)
• M15: 12,787,028 km (0.045 R)
• M16: 18,074,415 km (0.099 R)
• M17: 19,690,820 km (0.088 R)
• M18: 24,430,679 km (0.117 R)
• M19: 25,000,198 km (0.086 R)
• M20: 28,354,182 km (0.12 R)
• M21: 31,861,355 km (0.061 R)
• M22: 43,763,660 km (0.083 R)
• M23: 44,434,607 km (0.06 R)
• M24: 45,453,967 km (0.064 R)
• M25: 51,340,344 km (0.092 R)
• M26: 52,840,062 km (0.104 R)
• M27: 54,562,083 km (0.062 R)
• M28: 55,144,318 km (0.075 R)
• M29: 57,514,547 km (0.107 R)
• M30: 58,117,576 km (0.033 R)
• M31: 58,928,097 km (0.095 R)
• M32: 59,541,000 km (0.109 R)
• M33: 64,597,857 km (0.082 R)
• M34: 67,230,330 km (0.104 R)
• M35: 71,311,959 km (0.103 R)
• M36: 75,555,601 km (0.096 R)
• M37: 84,542,245 km (0.081 R)
• M38: 84,801,498 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.2

Radius: 4.4

Gravity: 28.68 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 15.79 AU - 20.25 AU

Year: 26639 Days

Day: 23.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,337,116 km

• M1: 55,800 km (0.106 R)
• M2: 280,346 km (0.088 R)
• M3: 530,624 km (0.104 R)
• M4: 720,912 km (0.114 R)
• M5: 968,646 km (0.089 R)
• M6: 1,112,709 km (0.107 R)
• M7: 1,762,861 km (0.09 R)
• M8: 1,918,742 km (0.034 R)
• M9: 2,611,680 km (0.113 R)
• M10: 2,840,864 km (0.12 R)
• M11: 3,609,797 km (0.103 R)
• M12: 4,160,018 km (0.038 R)
• M13: 4,876,741 km (0.091 R)
• M14: 5,185,212 km (0.087 R)
• M15: 6,926,381 km (0.102 R)
• M16: 7,070,893 km (0.101 R)
• M17: 7,875,730 km (0.052 R)
• M18: 8,908,852 km (0.105 R)
• M19: 11,777,990 km (0.097 R)
• M20: 12,977,615 km (0.093 R)
• M21: 15,289,501 km (0.07 R)
• M22: 16,201,749 km (0.109 R)
• M23: 19,824,859 km (0.108 R)
• M24: 22,134,651 km (0.104 R)
• M25: 22,978,383 km (0.084 R)
• M26: 29,116,682 km (0.053 R)
• M27: 29,367,558 km (0.074 R)
• M28: 32,897,320 km (0.069 R)
• M29: 45,162,101 km (0.113 R)
• M30: 46,346,168 km (0.08 R)
• M31: 52,392,465 km (0.084 R)
• M32: 52,577,817 km (0.062 R)
• M33: 54,455,719 km (0.103 R)
• M34: 55,989,845 km (0.11 R)
• M35: 57,749,864 km (0.092 R)
• M36: 62,414,775 km (0.087 R)
• M37: 66,019,635 km (0.079 R)
• M38: 73,641,197 km (0.112 R)
• M39: 83,081,122 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115

Radius: 7.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 13.98 AU - 23.14 AU

Year: 27846 Days

Day: 21.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,337,116 km

• M1: 90,956 km (0.115 R)
• M2: 581,637 km (0.096 R)
• M3: 831,315 km (0.119 R)
• M4: 2,144,336 km (0.109 R)
• M5: 2,673,314 km (0.083 R)
• M6: 3,535,895 km (0.107 R)
• M7: 3,825,068 km (0.07 R)
• M8: 6,859,511 km (0.109 R)
• M9: 7,607,800 km (0.095 R)
• M10: 8,136,179 km (0.092 R)
• M11: 9,119,337 km (0.119 R)
• M12: 12,542,585 km (0.036 R)
• M13: 14,505,309 km (0.11 R)
• M14: 23,665,186 km (0.066 R)
• M15: 23,942,990 km (0.082 R)
• M16: 27,651,521 km (0.096 R)
• M17: 29,003,287 km (0.105 R)
• M18: 30,398,587 km (0.102 R)
• M19: 34,733,035 km (0.087 R)
• M20: 44,462,432 km (0.108 R)
• M21: 46,459,564 km (0.066 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 15,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit