🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446

Radius: 11.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.86 AU - 1.02 AU

Year: 598 Days

Day: 11.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,376,902 km

• M1: 141,819 km (0.042 R)
• M2: 782,397 km (0.056 R)
• M3: 1,855,163 km (0.083 R)
• M4: 2,392,818 km (0.051 R)
• M5: 3,066,308 km (0.115 R)
• M6: 3,503,732 km (0.053 R)
• M7: 4,091,801 km (0.089 R)
• M8: 4,461,009 km (0.069 R)
• M9: 5,739,921 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.2

Radius: 12.9

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.08 AU - 1.42 AU

Year: 917 Days

Day: 6.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,376,902 km

• M1: 160,369 km (0.097 R)
• M2: 710,889 km (0.1 R)
• M3: 1,265,448 km (0.09 R)
• M4: 2,104,842 km (0.077 R)
• M5: 2,894,719 km (0.115 R)
• M6: 3,610,395 km (0.066 R)
• M7: 4,117,532 km (0.055 R)
• M8: 5,256,720 km (0.086 R)
• M9: 5,889,668 km (0.103 R)
• M10: 7,557,236 km (0.045 R)
• M11: 10,908,677 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.2

Radius: 12.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.42 AU - 1.7 AU

Year: 1278 Days

Day: 12.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,376,902 km

• M1: 160,668 km (0.037 R)
• M2: 740,061 km (0.096 R)
• M3: 2,499,032 km (0.11 R)
• M4: 3,498,346 km (0.114 R)
• M5: 4,127,106 km (0.064 R)
• M6: 5,557,112 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.4

Radius: 12.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.44 AU - 1.74 AU

Year: 1315 Days

Day: 14.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,376,902 km

• M1: 152,440 km (0.085 R)
• M2: 669,002 km (0.114 R)
• M3: 1,388,567 km (0.068 R)
• M4: 3,577,035 km (0.093 R)
• M5: 5,184,015 km (0.065 R)
• M6: 5,642,981 km (0.054 R)
• M7: 6,264,560 km (0.107 R)
• M8: 6,765,414 km (0.081 R)
• M9: 7,293,046 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.4

Radius: 8.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.34 AU - 2.12 AU

Year: 1493 Days

Day: 10.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,376,902 km

• M1: 113,994 km (0.061 R)
• M2: 383,569 km (0.078 R)
• M3: 915,389 km (0.12 R)
• M4: 1,668,166 km (0.112 R)
• M5: 3,365,055 km (0.109 R)
• M6: 3,821,178 km (0.08 R)
• M7: 4,386,509 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 14.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.01 AU - 5.09 AU

Year: 6367 Days

Day: 14.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 94 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,376,902 km

• M1: 180,265 km (0.118 R)
• M2: 783,743 km (0.048 R)
• M3: 1,297,762 km (0.111 R)
• M4: 1,850,376 km (0.109 R)
• M5: 2,633,371 km (0.074 R)
• M6: 3,842,122 km (0.082 R)
• M7: 5,036,661 km (0.071 R)
• M8: 5,517,020 km (0.112 R)
• M9: 6,027,897 km (0.112 R)
• M10: 6,890,029 km (0.108 R)
• M11: 7,715,361 km (0.078 R)
• M12: 8,397,527 km (0.095 R)
• M13: 9,745,104 km (0.11 R)
• M14: 10,256,580 km (0.086 R)
• M15: 11,333,684 km (0.114 R)
• M16: 12,430,835 km (0.055 R)
• M17: 13,426,558 km (0.107 R)
• M18: 15,019,327 km (0.054 R)
• M19: 16,020,735 km (0.035 R)
• M20: 19,004,764 km (0.087 R)
• M21: 20,703,897 km (0.085 R)
• M22: 21,473,578 km (0.077 R)
• M23: 22,422,028 km (0.091 R)
• M24: 24,829,806 km (0.026 R)
• M25: 28,615,978 km (0.071 R)
• M26: 38,799,255 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.4

Radius: 4.3

Gravity: 42.1 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.36 AU - 9.36 AU

Year: 18786 Days

Day: 18.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,376,902 km

• M1: 53,556 km (0.068 R)
• M2: 290,369 km (0.097 R)
• M3: 841,937 km (0.049 R)
• M4: 979,417 km (0.093 R)
• M5: 1,172,548 km (0.116 R)
• M6: 1,967,661 km (0.094 R)
• M7: 2,255,337 km (0.114 R)
• M8: 2,813,188 km (0.063 R)
• M9: 3,070,945 km (0.054 R)
• M10: 3,344,260 km (0.065 R)
• M11: 3,574,492 km (0.087 R)
• M12: 3,784,527 km (0.11 R)
• M13: 4,672,540 km (0.098 R)
• M14: 4,997,317 km (0.094 R)
• M15: 6,188,714 km (0.027 R)
• M16: 8,260,794 km (0.028 R)
• M17: 8,789,025 km (0.08 R)
• M18: 10,508,652 km (0.052 R)
• M19: 11,837,829 km (0.052 R)
• M20: 12,237,255 km (0.026 R)
• M21: 14,220,923 km (0.041 R)
• M22: 14,901,444 km (0.091 R)
• M23: 16,989,082 km (0.108 R)
• M24: 17,157,230 km (0.112 R)
• M25: 19,630,831 km (0.084 R)
• M26: 19,816,033 km (0.107 R)
• M27: 22,031,278 km (0.065 R)
• M28: 27,869,784 km (0.081 R)
• M29: 32,029,652 km (0.064 R)
• M30: 32,286,512 km (0.118 R)
• M31: 32,544,718 km (0.117 R)
• M32: 33,327,563 km (0.088 R)
• M33: 44,996,945 km (0.076 R)
• M34: 49,306,112 km (0.104 R)
• M35: 50,165,103 km (0.099 R)
• M36: 52,090,128 km (0.068 R)
• M37: 52,445,274 km (0.106 R)
• M38: 54,063,623 km (0.119 R)
• M39: 58,350,201 km (0.086 R)
• M40: 67,591,908 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.5

Radius: 3.6

Gravity: 52.35 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.93 AU - 11.21 AU

Year: 19421 Days

Day: 16.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 74,376,902 km

• M1: 130,749 km (0.095 R)
• M2: 290,669 km (0.074 R)
• M3: 403,615 km (0.07 R)
• M4: 523,144 km (0.098 R)
• M5: 713,731 km (0.078 R)
• M6: 1,306,588 km (0.118 R)
• M7: 1,573,770 km (0.096 R)
• M8: 1,729,501 km (0.061 R)
• M9: 2,814,385 km (0.117 R)
• M10: 3,286,665 km (0.11 R)
• M11: 3,749,222 km (0.12 R)
• M12: 3,871,294 km (0.119 R)
• M13: 4,059,488 km (0.075 R)
• M14: 4,286,727 km (0.11 R)
• M15: 4,556,602 km (0.107 R)
• M16: 5,167,858 km (0.096 R)
• M17: 5,954,743 km (0.068 R)
• M18: 8,011,116 km (0.116 R)
• M19: 9,905,025 km (0.112 R)
• M20: 14,926,128 km (0.075 R)
• M21: 15,545,164 km (0.1 R)
• M22: 20,458,257 km (0.112 R)
• M23: 20,837,487 km (0.074 R)
• M24: 21,028,823 km (0.104 R)
• M25: 21,512,174 km (0.12 R)
• M26: 23,624,047 km (0.055 R)
• M27: 24,146,443 km (0.102 R)
• M28: 24,357,525 km (0.04 R)
• M29: 25,650,051 km (0.069 R)
• M30: 26,874,509 km (0.05 R)
• M31: 35,048,537 km (0.059 R)
• M32: 35,455,144 km (0.059 R)
• M33: 35,727,861 km (0.11 R)
• M34: 39,988,408 km (0.116 R)
• M35: 41,329,703 km (0.028 R)
• M36: 44,101,751 km (0.114 R)
• M37: 44,575,378 km (0.092 R)
• M38: 52,094,167 km (0.06 R)
• M39: 57,174,661 km (0.099 R)
• M40: 60,998,981 km (0.064 R)
• M41: 61,390,628 km (0.099 R)
• M42: 63,976,726 km (0.025 R)
• M43: 67,676,132 km (0.072 R)
• M44: 73,488,458 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 13,599 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit