🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.6

Radius: 13.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.59 AU - 0.75 AU

Year: 372 Days

Day: 5.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,549,169 km

• M1: 164,109 km (0.104 R)
• M2: 638,334 km (0.114 R)
• M3: 1,099,544 km (0.118 R)
• M4: 1,536,221 km (0.085 R)
• M5: 2,302,311 km (0.088 R)
• M6: 2,968,022 km (0.096 R)
• M7: 3,470,222 km (0.053 R)
• M8: 4,017,002 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 9.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.71 AU - 0.99 AU

Year: 532 Days

Day: 9.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,549,169 km

• M1: 115,639 km (0.114 R)
• M2: 441,015 km (0.109 R)
• M3: 845,228 km (0.038 R)
• M4: 1,187,209 km (0.111 R)
• M5: 1,787,395 km (0.113 R)
• M6: 2,286,005 km (0.069 R)
• M7: 2,874,972 km (0.074 R)
• M8: 3,858,578 km (0.113 R)
• M9: 4,764,543 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.7

Radius: 10.7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.16 AU - 1.44 AU

Year: 1005 Days

Day: 12.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,549,169 km

• M1: 133,441 km (0.11 R)
• M2: 621,729 km (0.06 R)
• M3: 1,204,263 km (0.095 R)
• M4: 1,883,886 km (0.08 R)
• M5: 2,942,889 km (0.075 R)
• M6: 3,644,503 km (0.096 R)
• M7: 4,072,353 km (0.063 R)
• M8: 6,288,197 km (0.086 R)
• M9: 7,792,254 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 12.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.01 AU - 3.11 AU

Year: 3631 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,549,169 km

• M1: 157,227 km (0.106 R)
• M2: 600,336 km (0.117 R)
• M3: 1,553,723 km (0.075 R)
• M4: 4,580,088 km (0.061 R)
• M5: 6,616,265 km (0.103 R)
• M6: 7,226,924 km (0.086 R)
• M7: 11,958,555 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.1

Radius: 12.4

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.55 AU - 4.05 AU

Year: 5024 Days

Day: 7.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,549,169 km

• M1: 157,227 km (0.115 R)
• M2: 631,602 km (0.078 R)
• M3: 1,231,789 km (0.069 R)
• M4: 1,663,379 km (0.103 R)
• M5: 2,255,038 km (0.116 R)
• M6: 2,642,347 km (0.062 R)
• M7: 3,166,389 km (0.1 R)
• M8: 3,676,068 km (0.115 R)
• M9: 4,519,950 km (0.078 R)
• M10: 5,570,875 km (0.067 R)
• M11: 6,287,748 km (0.083 R)
• M12: 7,561,873 km (0.06 R)
• M13: 8,478,011 km (0.089 R)
• M14: 9,077,748 km (0.103 R)
• M15: 9,665,369 km (0.107 R)
• M16: 11,492,108 km (0.111 R)
• M17: 12,133,734 km (0.065 R)
• M18: 12,654,484 km (0.039 R)
• M19: 13,140,827 km (0.048 R)
• M20: 14,047,689 km (0.107 R)
• M21: 16,212,220 km (0.117 R)
• M22: 17,672,894 km (0.051 R)
• M23: 19,347,193 km (0.086 R)
• M24: 20,787,671 km (0.062 R)
• M25: 21,465,649 km (0.086 R)
• M26: 22,088,275 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 8.8

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.59 AU - 5.05 AU

Year: 6090 Days

Day: 5.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,549,169 km

• M1: 109,506 km (0.116 R)
• M2: 405,410 km (0.083 R)
• M3: 699,669 km (0.098 R)
• M4: 989,141 km (0.112 R)
• M5: 1,645,277 km (0.104 R)
• M6: 2,221,678 km (0.107 R)
• M7: 2,771,001 km (0.078 R)
• M8: 4,692,137 km (0.085 R)
• M9: 5,292,922 km (0.099 R)
• M10: 6,238,979 km (0.074 R)
• M11: 8,219,505 km (0.12 R)
• M12: 9,049,325 km (0.059 R)
• M13: 9,797,613 km (0.099 R)
• M14: 10,923,337 km (0.051 R)
• M15: 11,771,557 km (0.085 R)
• M16: 12,502,343 km (0.083 R)
• M17: 12,878,881 km (0.057 R)
• M18: 13,207,697 km (0.081 R)
• M19: 15,545,164 km (0.089 R)
• M20: 16,043,773 km (0.083 R)
• M21: 17,805,438 km (0.103 R)
• M22: 19,262,072 km (0.04 R)
• M23: 21,709,045 km (0.075 R)
• M24: 22,019,011 km (0.078 R)
• M25: 23,532,194 km (0.117 R)
• M26: 25,713,630 km (0.03 R)
• M27: 29,611,702 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.8

Radius: 4.8

Gravity: 37.36 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.89 AU - 9.09 AU

Year: 13903 Days

Day: 23.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 58.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,549,169 km

• M1: 59,690 km (0.11 R)
• M2: 264,190 km (0.09 R)
• M3: 566,976 km (0.096 R)
• M4: 773,571 km (0.103 R)
• M5: 1,018,014 km (0.097 R)
• M6: 1,244,205 km (0.095 R)
• M7: 1,613,563 km (0.058 R)
• M8: 2,394,164 km (0.095 R)
• M9: 3,138,863 km (0.103 R)
• M10: 4,528,926 km (0.117 R)
• M11: 6,004,410 km (0.095 R)
• M12: 6,658,302 km (0.07 R)
• M13: 7,268,362 km (0.088 R)
• M14: 7,867,502 km (0.09 R)
• M15: 12,170,535 km (0.094 R)
• M16: 12,815,750 km (0.119 R)
• M17: 13,964,512 km (0.089 R)
• M18: 14,456,839 km (0.096 R)
• M19: 16,079,677 km (0.098 R)
• M20: 17,333,606 km (0.113 R)
• M21: 18,735,787 km (0.116 R)
• M22: 24,087,202 km (0.049 R)
• M23: 24,388,791 km (0.074 R)
• M24: 24,794,800 km (0.044 R)
• M25: 26,357,649 km (0.104 R)
• M26: 31,678,247 km (0.109 R)
• M27: 34,652,252 km (0.112 R)
• M28: 35,683,431 km (0.06 R)
• M29: 37,672,035 km (0.106 R)
• M30: 41,148,241 km (0.075 R)
• M31: 42,013,216 km (0.081 R)
• M32: 43,630,369 km (0.072 R)
• M33: 44,378,956 km (0.107 R)
• M34: 46,676,181 km (0.1 R)
• M35: 48,570,090 km (0.119 R)
• M36: 53,187,129 km (0.108 R)
• M37: 63,281,994 km (0.095 R)

Asteroid Belt

Center: 8.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.4

Radius: 5.6

Gravity: 26.8 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.51 AU - 10.07 AU

Year: 20776 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,549,169 km

• M1: 70,161 km (0.09 R)
• M2: 308,620 km (0.091 R)
• M3: 589,715 km (0.074 R)
• M4: 810,072 km (0.101 R)
• M5: 1,786,947 km (0.1 R)
• M6: 2,278,824 km (0.026 R)
• M7: 3,042,521 km (0.104 R)
• M8: 3,964,493 km (0.076 R)
• M9: 5,098,146 km (0.115 R)
• M10: 5,372,359 km (0.115 R)
• M11: 6,036,274 km (0.049 R)
• M12: 6,387,979 km (0.083 R)
• M13: 6,660,696 km (0.114 R)
• M14: 8,142,313 km (0.034 R)
• M15: 8,409,046 km (0.063 R)
• M16: 9,016,264 km (0.063 R)
• M17: 9,652,354 km (0.083 R)
• M18: 11,875,378 km (0.106 R)
• M19: 22,574,618 km (0.099 R)
• M20: 23,743,875 km (0.111 R)
• M21: 25,743,550 km (0.069 R)
• M22: 31,358,257 km (0.096 R)
• M23: 32,013,645 km (0.075 R)
• M24: 34,310,571 km (0.039 R)
• M25: 40,916,514 km (0.103 R)
• M26: 45,929,389 km (0.074 R)
• M27: 47,457,980 km (0.064 R)
• M28: 51,881,290 km (0.051 R)
• M29: 68,305,789 km (0.104 R)
• M30: 68,964,768 km (0.071 R)
• M31: 77,681,686 km (0.073 R)
• M32: 78,159,801 km (0.047 R)
• M33: 81,808,344 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 15,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit