🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.48 AU - 0.52 AU

Year: 228 Days

Day: 46 Hours

Environment

Temp: -115 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.66 AU - 0.68 AU

Year: 354 Days

Day: 36.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,084,360 km

• M1: 55,351 km (0.054 R)
• M2: 208,988 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.7

Radius: 9.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.63 AU - 0.75 AU

Year: 370 Days

Day: 13.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,084,360 km

• M1: 123,119 km (0.119 R)
• M2: 687,402 km (0.086 R)
• M3: 1,150,258 km (0.093 R)
• M4: 2,016,878 km (0.083 R)
• M5: 2,501,276 km (0.108 R)
• M6: 2,817,227 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907

Radius: 10.2

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.65 AU - 0.81 AU

Year: 403 Days

Day: 9.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,084,360 km

• M1: 126,859 km (0.106 R)
• M2: 517,459 km (0.102 R)
• M3: 1,435,242 km (0.119 R)
• M4: 2,169,020 km (0.05 R)
• M5: 2,621,403 km (0.086 R)
• M6: 3,239,841 km (0.095 R)
• M7: 3,833,595 km (0.114 R)
• M8: 4,226,589 km (0.098 R)
• M9: 5,303,693 km (0.03 R)
• M10: 5,968,656 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 14.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.69 AU - 1.09 AU

Year: 542 Days

Day: 12.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,084,360 km

• M1: 180,265 km (0.119 R)
• M2: 682,316 km (0.033 R)
• M3: 1,156,541 km (0.094 R)
• M4: 1,821,055 km (0.087 R)
• M5: 2,470,459 km (0.051 R)
• M6: 3,006,169 km (0.081 R)
• M7: 3,527,069 km (0.054 R)
• M8: 4,769,330 km (0.092 R)
• M9: 5,500,714 km (0.117 R)
• M10: 6,645,437 km (0.099 R)
• M11: 7,296,487 km (0.101 R)

Asteroid Belt

Center: 1.56 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309

Radius: 9.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.78 AU - 2.68 AU

Year: 2150 Days

Day: 13.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,084,360 km

• M1: 122,371 km (0.08 R)
• M2: 471,233 km (0.045 R)
• M3: 1,205,310 km (0.094 R)
• M4: 1,736,382 km (0.079 R)
• M5: 2,056,971 km (0.102 R)
• M6: 2,454,602 km (0.084 R)
• M7: 2,903,246 km (0.071 R)
• M8: 3,359,519 km (0.079 R)
• M9: 3,966,139 km (0.103 R)
• M10: 4,397,429 km (0.064 R)
• M11: 4,840,090 km (0.109 R)
• M12: 5,592,567 km (0.04 R)
• M13: 7,759,492 km (0.113 R)
• M14: 8,611,601 km (0.103 R)
• M15: 9,090,913 km (0.112 R)
• M16: 9,778,914 km (0.051 R)
• M17: 10,534,981 km (0.111 R)
• M18: 11,118,413 km (0.063 R)
• M19: 12,425,150 km (0.1 R)
• M20: 12,998,709 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 8.1

Gravity: 15.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.31 AU - 3.69 AU

Year: 3355 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,084,360 km

• M1: 100,979 km (0.086 R)
• M2: 2,573,831 km (0.069 R)
• M3: 2,913,718 km (0.08 R)
• M4: 3,479,796 km (0.03 R)
• M5: 4,393,091 km (0.109 R)
• M6: 6,256,931 km (0.108 R)
• M7: 7,565,314 km (0.081 R)
• M8: 10,842,255 km (0.118 R)
• M9: 12,008,221 km (0.101 R)
• M10: 12,525,979 km (0.086 R)
• M11: 13,605,777 km (0.086 R)
• M12: 15,726,177 km (0.066 R)
• M13: 17,040,394 km (0.107 R)
• M14: 17,335,401 km (0.092 R)
• M15: 17,694,137 km (0.118 R)
• M16: 19,626,493 km (0.115 R)
• M17: 25,103,121 km (0.108 R)
• M18: 26,105,128 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.6

Radius: 5.2

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.56 AU - 10.12 AU

Year: 18430 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,084,360 km

• M1: 84,224 km (0.112 R)
• M2: 250,128 km (0.085 R)
• M3: 417,827 km (0.092 R)
• M4: 664,364 km (0.064 R)
• M5: 1,689,708 km (0.118 R)
• M6: 2,063,254 km (0.082 R)
• M7: 5,881,889 km (0.087 R)
• M8: 7,668,536 km (0.072 R)
• M9: 8,729,185 km (0.108 R)
• M10: 9,133,848 km (0.113 R)
• M11: 10,725,270 km (0.113 R)
• M12: 12,157,819 km (0.105 R)
• M13: 13,653,498 km (0.061 R)
• M14: 15,657,362 km (0.108 R)
• M15: 19,621,556 km (0.1 R)
• M16: 22,494,882 km (0.118 R)
• M17: 23,169,419 km (0.083 R)
• M18: 28,566,312 km (0.089 R)
• M19: 32,346,052 km (0.08 R)
• M20: 37,025,323 km (0.079 R)
• M21: 37,375,831 km (0.119 R)
• M22: 37,610,700 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.3

Radius: 6.4

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 8.66 AU - 13.94 AU

Year: 24526 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,084,360 km

• M1: 81,082 km (0.119 R)
• M2: 1,389,465 km (0.081 R)
• M3: 1,764,058 km (0.11 R)
• M4: 2,506,064 km (0.104 R)
• M5: 2,959,943 km (0.081 R)
• M6: 3,273,800 km (0.077 R)
• M7: 4,220,754 km (0.074 R)
• M8: 4,862,828 km (0.059 R)
• M9: 7,894,429 km (0.103 R)
• M10: 10,618,457 km (0.116 R)
• M11: 10,982,578 km (0.073 R)
• M12: 12,256,554 km (0.099 R)
• M13: 14,201,326 km (0.094 R)
• M14: 14,569,187 km (0.096 R)
• M15: 15,094,575 km (0.108 R)
• M16: 17,574,608 km (0.081 R)
• M17: 18,342,644 km (0.059 R)
• M18: 20,036,989 km (0.115 R)
• M19: 21,542,542 km (0.096 R)
• M20: 26,069,224 km (0.079 R)
• M21: 27,518,977 km (0.045 R)
• M22: 29,139,571 km (0.055 R)
• M23: 31,439,040 km (0.104 R)
• M24: 31,938,098 km (0.037 R)
• M25: 34,249,535 km (0.098 R)
• M26: 34,910,907 km (0.053 R)
• M27: 36,259,083 km (0.106 R)
• M28: 38,063,084 km (0.037 R)
• M29: 40,071,884 km (0.112 R)
• M30: 40,806,110 km (0.062 R)
• M31: 47,331,570 km (0.109 R)
• M32: 51,528,239 km (0.08 R)
• M33: 55,058,898 km (0.073 R)
• M34: 57,067,997 km (0.087 R)
• M35: 57,438,402 km (0.041 R)
• M36: 61,038,175 km (0.115 R)
• M37: 63,387,460 km (0.074 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 18,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit