🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.83 AU - 1.37 AU

Year: 430 Days

Day: 33.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.3

Radius: 13

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.66 AU - 6.4 AU

Year: 4848 Days

Day: 7.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 95,935,493 km

• M1: 161,715 km (0.113 R)
• M2: 597,195 km (0.091 R)
• M3: 1,042,248 km (0.115 R)
• M4: 1,501,963 km (0.101 R)
• M5: 2,099,157 km (0.049 R)
• M6: 2,761,577 km (0.063 R)
• M7: 3,434,318 km (0.095 R)
• M8: 4,072,503 km (0.052 R)
• M9: 5,054,613 km (0.041 R)
• M10: 6,377,357 km (0.053 R)
• M11: 7,240,387 km (0.101 R)
• M12: 7,919,262 km (0.073 R)
• M13: 9,117,691 km (0.12 R)
• M14: 11,824,066 km (0.085 R)
• M15: 12,564,127 km (0.059 R)
• M16: 16,073,543 km (0.091 R)
• M17: 18,052,573 km (0.1 R)
• M18: 22,639,095 km (0.105 R)
• M19: 23,319,466 km (0.101 R)
• M20: 24,169,481 km (0.1 R)
• M21: 25,849,465 km (0.094 R)
• M22: 26,676,143 km (0.112 R)
• M23: 29,709,389 km (0.092 R)
• M24: 30,160,726 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.9

Radius: 15

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.11 AU - 7.33 AU

Year: 5783 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 95,935,493 km

• M1: 187,895 km (0.049 R)
• M2: 764,296 km (0.053 R)
• M3: 1,399,488 km (0.033 R)
• M4: 2,383,543 km (0.047 R)
• M5: 3,021,877 km (0.117 R)
• M6: 4,488,684 km (0.08 R)
• M7: 5,651,957 km (0.108 R)
• M8: 6,562,709 km (0.117 R)
• M9: 7,130,283 km (0.077 R)
• M10: 7,601,367 km (0.058 R)
• M11: 8,853,501 km (0.112 R)
• M12: 11,895,574 km (0.101 R)
• M13: 13,676,537 km (0.041 R)
• M14: 15,111,928 km (0.112 R)
• M15: 21,219,860 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.9

Radius: 12.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.81 AU - 7.63 AU

Year: 5783 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 95,935,493 km

• M1: 155,432 km (0.113 R)
• M2: 621,280 km (0.084 R)
• M3: 1,307,336 km (0.092 R)
• M4: 2,068,340 km (0.114 R)
• M5: 2,811,094 km (0.119 R)
• M6: 3,316,136 km (0.034 R)
• M7: 4,043,032 km (0.06 R)
• M8: 4,920,124 km (0.114 R)
• M9: 5,867,228 km (0.07 R)
• M10: 6,640,051 km (0.106 R)
• M11: 8,188,090 km (0.1 R)
• M12: 8,765,687 km (0.094 R)
• M13: 9,297,807 km (0.065 R)
• M14: 10,984,074 km (0.088 R)
• M15: 16,131,138 km (0.112 R)
• M16: 17,814,414 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 13.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.96 AU - 7.62 AU

Year: 5881 Days

Day: 8.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 95,935,493 km

• M1: 173,982 km (0.094 R)
• M2: 743,202 km (0.112 R)
• M3: 1,475,484 km (0.054 R)
• M4: 1,920,089 km (0.103 R)
• M5: 3,567,909 km (0.118 R)
• M6: 4,000,097 km (0.099 R)
• M7: 4,863,277 km (0.116 R)
• M8: 5,351,265 km (0.115 R)
• M9: 5,798,862 km (0.074 R)
• M10: 6,348,634 km (0.08 R)
• M11: 7,877,076 km (0.115 R)
• M12: 9,068,473 km (0.091 R)
• M13: 10,233,242 km (0.073 R)
• M14: 11,925,643 km (0.116 R)
• M15: 12,693,529 km (0.05 R)
• M16: 13,280,401 km (0.081 R)
• M17: 14,150,163 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.9

Radius: 6.9

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 14.15 AU - 18.13 AU

Year: 24172 Days

Day: 15.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 95,935,493 km

• M1: 85,869 km (0.025 R)
• M2: 589,266 km (0.064 R)
• M3: 916,885 km (0.085 R)
• M4: 1,528,890 km (0.116 R)
• M5: 2,027,500 km (0.06 R)
• M6: 2,246,362 km (0.117 R)
• M7: 3,404,698 km (0.081 R)
• M8: 5,153,497 km (0.068 R)
• M9: 5,820,853 km (0.108 R)
• M10: 8,224,143 km (0.07 R)
• M11: 8,614,294 km (0.102 R)
• M12: 9,797,165 km (0.066 R)
• M13: 11,084,753 km (0.1 R)
• M14: 12,922,264 km (0.065 R)
• M15: 13,146,511 km (0.108 R)
• M16: 18,105,082 km (0.08 R)
• M17: 21,778,308 km (0.119 R)
• M18: 26,637,098 km (0.044 R)
• M19: 36,906,243 km (0.115 R)
• M20: 40,148,628 km (0.075 R)
• M21: 49,713,766 km (0.097 R)
• M22: 50,634,990 km (0.071 R)
• M23: 51,380,286 km (0.075 R)
• M24: 55,216,125 km (0.112 R)
• M25: 58,012,109 km (0.101 R)
• M26: 62,167,938 km (0.114 R)
• M27: 64,536,222 km (0.06 R)
• M28: 64,754,486 km (0.117 R)
• M29: 66,963,896 km (0.084 R)
• M30: 73,892,971 km (0.065 R)
• M31: 83,594,991 km (0.104 R)
• M32: 91,335,783 km (0.074 R)
• M33: 91,886,603 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.3

Radius: 7.3

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 15.85 AU - 16.67 AU

Year: 24442 Days

Day: 18.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 95,935,493 km

• M1: 90,806 km (0.083 R)
• M2: 521,349 km (0.036 R)
• M3: 1,182,571 km (0.066 R)
• M4: 2,040,814 km (0.087 R)
• M5: 2,380,252 km (0.111 R)
• M6: 3,143,949 km (0.09 R)
• M7: 3,503,881 km (0.105 R)
• M8: 4,306,773 km (0.107 R)
• M9: 4,637,384 km (0.116 R)
• M10: 5,145,120 km (0.063 R)
• M11: 5,820,105 km (0.103 R)
• M12: 6,990,708 km (0.09 R)
• M13: 12,879,629 km (0.098 R)
• M14: 13,723,361 km (0.105 R)
• M15: 14,198,932 km (0.075 R)
• M16: 16,387,400 km (0.077 R)
• M17: 20,586,911 km (0.045 R)
• M18: 20,896,878 km (0.06 R)
• M19: 24,864,213 km (0.069 R)
• M20: 29,046,521 km (0.075 R)
• M21: 29,962,359 km (0.107 R)
• M22: 33,106,607 km (0.054 R)
• M23: 36,163,640 km (0.096 R)
• M24: 45,225,082 km (0.072 R)
• M25: 45,574,094 km (0.105 R)
• M26: 46,631,751 km (0.081 R)
• M27: 49,717,356 km (0.09 R)
• M28: 57,101,507 km (0.112 R)
• M29: 63,204,801 km (0.101 R)
• M30: 64,299,259 km (0.087 R)
• M31: 65,852,683 km (0.116 R)
• M32: 69,034,032 km (0.117 R)
• M33: 77,682,584 km (0.04 R)
• M34: 80,207,048 km (0.063 R)
• M35: 81,489,551 km (0.075 R)
• M36: 95,361,611 km (0.101 R)
• M37: 95,935,469 km (0.081 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 11,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit