🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.89 AU - 1.27 AU

Year: 423 Days

Day: 19 Hours

Environment

Temp: 5 °C

Axial Tilt: 77.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 80,733,715 km

• M1: 51,312 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.08 AU - 1.5 AU

Year: 552 Days

Day: 22.1 Hours

Environment

Temp: -25 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.64 AU - 2.4 AU

Year: 1082 Days

Day: 18.9 Hours

Environment

Temp: -85 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.9 AU - 2.42 AU

Year: 1196 Days

Day: 26.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.22 AU - 3.54 AU

Year: 1841 Days

Day: 24 Hours

Environment

Temp: -116 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 9.4

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.71 AU - 7.34 AU

Year: 6272 Days

Day: 11.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,733,715 km

• M1: 117,135 km (0.078 R)
• M2: 448,943 km (0.079 R)
• M3: 1,090,269 km (0.109 R)
• M4: 1,387,819 km (0.088 R)
• M5: 1,714,092 km (0.098 R)
• M6: 2,092,126 km (0.089 R)
• M7: 2,577,272 km (0.107 R)
• M8: 4,368,407 km (0.099 R)
• M9: 5,080,044 km (0.081 R)
• M10: 5,959,231 km (0.119 R)
• M11: 6,305,849 km (0.106 R)
• M12: 7,718,502 km (0.091 R)
• M13: 9,164,665 km (0.093 R)
• M14: 9,670,306 km (0.115 R)
• M15: 9,973,840 km (0.076 R)
• M16: 11,588,001 km (0.052 R)
• M17: 12,533,758 km (0.086 R)
• M18: 12,842,977 km (0.114 R)
• M19: 14,130,716 km (0.049 R)
• M20: 15,093,677 km (0.099 R)
• M21: 16,526,675 km (0.062 R)
• M22: 20,645,254 km (0.086 R)
• M23: 22,940,534 km (0.089 R)
• M24: 24,669,287 km (0.101 R)
• M25: 25,565,528 km (0.119 R)
• M26: 27,857,218 km (0.079 R)
• M27: 28,650,535 km (0.115 R)
• M28: 31,404,034 km (0.115 R)
• M29: 31,975,198 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.2

Radius: 10.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.22 AU - 7.82 AU

Year: 6272 Days

Day: 6.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,733,715 km

• M1: 135,236 km (0.109 R)
• M2: 688,599 km (0.098 R)
• M3: 1,031,777 km (0.105 R)
• M4: 1,836,912 km (0.094 R)
• M5: 3,055,537 km (0.111 R)
• M6: 3,556,540 km (0.098 R)
• M7: 3,891,639 km (0.115 R)
• M8: 5,784,052 km (0.093 R)
• M9: 7,190,870 km (0.099 R)
• M10: 10,540,068 km (0.079 R)
• M11: 10,971,807 km (0.042 R)
• M12: 11,370,485 km (0.039 R)
• M13: 18,574,072 km (0.028 R)
• M14: 23,953,312 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 14

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.31 AU - 12.05 AU

Year: 11346 Days

Day: 7.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,733,715 km

• M1: 174,282 km (0.083 R)
• M2: 750,832 km (0.058 R)
• M3: 1,633,758 km (0.098 R)
• M4: 3,537,690 km (0.104 R)
• M5: 4,057,693 km (0.113 R)
• M6: 5,083,784 km (0.071 R)
• M7: 5,533,027 km (0.065 R)
• M8: 6,472,352 km (0.084 R)
• M9: 10,256,580 km (0.097 R)
• M10: 12,583,874 km (0.113 R)
• M11: 14,684,677 km (0.078 R)
• M12: 17,163,065 km (0.099 R)
• M13: 18,501,666 km (0.108 R)
• M14: 22,015,122 km (0.101 R)
• M15: 23,404,886 km (0.109 R)
• M16: 24,169,630 km (0.118 R)
• M17: 25,951,341 km (0.101 R)
• M18: 33,475,665 km (0.08 R)
• M19: 35,938,495 km (0.094 R)
• M20: 36,700,397 km (0.069 R)
• M21: 38,652,051 km (0.069 R)
• M22: 42,338,142 km (0.083 R)
• M23: 49,302,821 km (0.112 R)
• M24: 53,960,999 km (0.089 R)
• M25: 54,625,662 km (0.046 R)
• M26: 56,141,239 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.4

Radius: 7.5

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 18.16 AU - 19.52 AU

Year: 30807 Days

Day: 22.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 63.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,733,715 km

• M1: 97,388 km (0.112 R)
• M2: 463,305 km (0.114 R)
• M3: 1,475,035 km (0.103 R)
• M4: 1,732,493 km (0.062 R)
• M5: 2,523,267 km (0.119 R)
• M6: 3,080,071 km (0.119 R)
• M7: 3,624,457 km (0.104 R)
• M8: 8,427,746 km (0.069 R)
• M9: 13,573,164 km (0.084 R)
• M10: 14,634,860 km (0.073 R)
• M11: 15,106,393 km (0.089 R)
• M12: 20,884,162 km (0.088 R)
• M13: 24,423,498 km (0.08 R)
• M14: 29,946,502 km (0.109 R)
• M15: 38,135,190 km (0.041 R)
• M16: 52,114,961 km (0.067 R)
• M17: 58,351,397 km (0.111 R)
• M18: 65,067,145 km (0.059 R)
• M19: 67,199,663 km (0.117 R)
• M20: 72,280,306 km (0.096 R)
• M21: 76,665,767 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.8

Radius: 3.6

Gravity: 24.91 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 17.24 AU - 21.28 AU

Year: 31843 Days

Day: 15.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,733,715 km

• M1: 44,879 km (0.117 R)
• M2: 280,795 km (0.067 R)
• M3: 434,283 km (0.042 R)
• M4: 857,944 km (0.094 R)
• M5: 1,216,979 km (0.083 R)
• M6: 1,633,010 km (0.047 R)
• M7: 2,566,800 km (0.066 R)
• M8: 2,688,723 km (0.064 R)
• M9: 2,840,265 km (0.108 R)
• M10: 3,133,028 km (0.108 R)
• M11: 4,905,165 km (0.103 R)
• M12: 5,444,764 km (0.081 R)
• M13: 5,687,711 km (0.077 R)
• M14: 8,315,697 km (0.091 R)
• M15: 11,066,203 km (0.119 R)
• M16: 12,963,254 km (0.071 R)
• M17: 13,469,343 km (0.051 R)
• M18: 18,449,905 km (0.115 R)
• M19: 19,933,916 km (0.073 R)
• M20: 20,607,555 km (0.088 R)
• M21: 21,296,154 km (0.091 R)
• M22: 23,773,794 km (0.106 R)
• M23: 39,827,591 km (0.097 R)
• M24: 42,136,933 km (0.067 R)
• M25: 52,449,163 km (0.085 R)
• M26: 54,100,125 km (0.063 R)
• M27: 64,738,329 km (0.119 R)
• M28: 70,766,076 km (0.078 R)
• M29: 71,880,281 km (0.077 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 14,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit