🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 11.4

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.77 AU - 0.89 AU

Year: 481 Days

Day: 8.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,113,701 km

• M1: 141,819 km (0.117 R)
• M2: 560,543 km (0.089 R)
• M3: 1,202,168 km (0.107 R)
• M4: 1,836,015 km (0.092 R)
• M5: 2,436,351 km (0.103 R)
• M6: 4,116,784 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.6

Radius: 12.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.02 AU - 1.06 AU

Year: 674 Days

Day: 13.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 102.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,113,701 km

• M1: 161,117 km (0.103 R)
• M2: 626,665 km (0.088 R)
• M3: 1,098,198 km (0.085 R)
• M4: 1,618,350 km (0.046 R)
• M5: 2,541,369 km (0.115 R)
• M6: 3,023,074 km (0.107 R)
• M7: 3,690,280 km (0.104 R)
• M8: 4,469,984 km (0.096 R)
• M9: 5,670,956 km (0.065 R)
• M10: 6,337,115 km (0.036 R)
• M11: 6,838,268 km (0.059 R)
• M12: 8,135,431 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.2

Radius: 11.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.87 AU - 1.45 AU

Year: 794 Days

Day: 11.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,113,701 km

• M1: 148,850 km (0.117 R)
• M2: 783,294 km (0.056 R)
• M3: 1,573,919 km (0.118 R)
• M4: 2,149,721 km (0.05 R)
• M5: 2,621,852 km (0.113 R)
• M6: 3,151,728 km (0.116 R)
• M7: 4,400,272 km (0.084 R)
• M8: 4,877,788 km (0.092 R)
• M9: 5,341,691 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.7

Radius: 13.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.65 AU - 2.33 AU

Year: 1785 Days

Day: 8 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,113,701 km

• M1: 177,722 km (0.084 R)
• M2: 713,731 km (0.093 R)
• M3: 1,286,841 km (0.064 R)
• M4: 2,083,599 km (0.111 R)
• M5: 2,635,615 km (0.102 R)
• M6: 4,038,993 km (0.067 R)
• M7: 4,719,065 km (0.105 R)
• M8: 6,111,372 km (0.118 R)
• M9: 9,930,157 km (0.055 R)
• M10: 10,916,007 km (0.112 R)
• M11: 11,583,662 km (0.047 R)
• M12: 12,555,899 km (0.086 R)
• M13: 13,164,912 km (0.112 R)
• M14: 14,136,999 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.1

Radius: 10

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.43 AU - 3.57 AU

Year: 3304 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,113,701 km

• M1: 128,056 km (0.087 R)
• M2: 1,362,687 km (0.117 R)
• M3: 1,845,739 km (0.088 R)
• M4: 5,058,054 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.5

Radius: 13.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.64 AU - 6.34 AU

Year: 9321 Days

Day: 9.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,113,701 km

• M1: 164,258 km (0.112 R)
• M2: 612,454 km (0.09 R)
• M3: 1,044,492 km (0.09 R)
• M4: 2,075,970 km (0.043 R)
• M5: 3,009,012 km (0.073 R)
• M6: 4,667,603 km (0.101 R)
• M7: 5,892,660 km (0.086 R)
• M8: 6,474,147 km (0.117 R)
• M9: 9,510,984 km (0.075 R)
• M10: 10,410,217 km (0.096 R)
• M11: 12,052,203 km (0.082 R)
• M12: 14,954,551 km (0.093 R)
• M13: 15,586,453 km (0.106 R)
• M14: 16,039,435 km (0.06 R)
• M15: 16,634,685 km (0.096 R)
• M16: 18,010,387 km (0.093 R)
• M17: 19,017,480 km (0.092 R)
• M18: 26,410,008 km (0.046 R)
• M19: 29,246,683 km (0.043 R)
• M20: 29,936,778 km (0.099 R)
• M21: 32,595,282 km (0.053 R)
• M22: 33,766,184 km (0.111 R)
• M23: 35,966,470 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.1

Radius: 7.5

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.72 AU - 8.88 AU

Year: 13851 Days

Day: 17.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,113,701 km

• M1: 94,247 km (0.101 R)
• M2: 433,684 km (0.102 R)
• M3: 894,146 km (0.09 R)
• M4: 1,156,990 km (0.056 R)
• M5: 1,693,597 km (0.118 R)
• M6: 2,422,887 km (0.106 R)
• M7: 4,070,558 km (0.119 R)
• M8: 5,048,779 km (0.069 R)
• M9: 6,536,978 km (0.115 R)
• M10: 6,874,172 km (0.069 R)
• M11: 8,871,902 km (0.082 R)
• M12: 9,426,162 km (0.056 R)
• M13: 10,300,561 km (0.091 R)
• M14: 10,860,955 km (0.103 R)
• M15: 11,281,175 km (0.103 R)
• M16: 14,406,275 km (0.107 R)
• M17: 16,302,129 km (0.1 R)
• M18: 17,062,984 km (0.076 R)
• M19: 19,257,883 km (0.108 R)
• M20: 22,299,657 km (0.12 R)
• M21: 29,721,207 km (0.111 R)
• M22: 32,773,004 km (0.034 R)
• M23: 36,844,160 km (0.109 R)
• M24: 37,912,140 km (0.084 R)
• M25: 43,563,648 km (0.109 R)
• M26: 43,827,239 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.7

Radius: 4.4

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.65 AU - 8.86 AU

Year: 16457 Days

Day: 23.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,113,701 km

• M1: 54,753 km (0.101 R)
• M2: 533,167 km (0.109 R)
• M3: 1,855,762 km (0.104 R)
• M4: 2,325,798 km (0.118 R)
• M5: 4,767,385 km (0.115 R)
• M6: 4,984,302 km (0.102 R)
• M7: 8,304,178 km (0.098 R)
• M8: 10,259,422 km (0.046 R)
• M9: 11,099,264 km (0.069 R)
• M10: 13,829,874 km (0.053 R)
• M11: 17,120,728 km (0.109 R)
• M12: 23,287,452 km (0.103 R)
• M13: 23,732,655 km (0.09 R)
• M14: 30,045,236 km (0.105 R)
• M15: 37,512,264 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.1

Radius: 7

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.49 AU - 11.11 AU

Year: 19506 Days

Day: 21 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,113,701 km

• M1: 87,066 km (0.076 R)
• M2: 735,872 km (0.111 R)
• M3: 1,059,901 km (0.119 R)
• M4: 2,015,383 km (0.06 R)
• M5: 3,245,376 km (0.11 R)
• M6: 4,881,678 km (0.035 R)
• M7: 5,694,742 km (0.109 R)
• M8: 10,249,249 km (0.079 R)
• M9: 15,256,290 km (0.091 R)
• M10: 18,828,538 km (0.116 R)
• M11: 21,685,558 km (0.092 R)
• M12: 26,262,804 km (0.094 R)
• M13: 29,217,960 km (0.119 R)
• M14: 31,652,815 km (0.077 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: 235 - 11,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit