🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.6

Radius: 10.2

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.59 AU - 0.99 AU

Year: 468 Days

Day: 14.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,616,240 km

• M1: 126,859 km (0.118 R)
• M2: 464,651 km (0.113 R)
• M3: 872,455 km (0.053 R)
• M4: 1,232,537 km (0.116 R)
• M5: 1,685,968 km (0.079 R)
• M6: 2,266,557 km (0.051 R)
• M7: 2,707,572 km (0.102 R)
• M8: 3,029,506 km (0.073 R)
• M9: 4,099,580 km (0.102 R)
• M10: 4,427,499 km (0.086 R)
• M11: 5,028,433 km (0.073 R)
• M12: 5,356,801 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.2

Radius: 11.9

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.64 AU - 1.02 AU

Year: 504 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,616,240 km

• M1: 148,102 km (0.115 R)
• M2: 572,511 km (0.103 R)
• M3: 1,075,758 km (0.073 R)
• M4: 1,470,697 km (0.062 R)
• M5: 2,024,807 km (0.096 R)
• M6: 2,619,608 km (0.074 R)
• M7: 3,328,553 km (0.074 R)
• M8: 3,906,449 km (0.118 R)
• M9: 4,473,575 km (0.093 R)
• M10: 5,212,738 km (0.074 R)
• M11: 5,594,212 km (0.065 R)
• M12: 7,121,158 km (0.101 R)

Asteroid Belt

Center: 1.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 12

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.27 AU - 2.03 AU

Year: 1413 Days

Day: 12.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,616,240 km

• M1: 152,739 km (0.11 R)
• M2: 530,324 km (0.069 R)
• M3: 912,996 km (0.109 R)
• M4: 2,007,005 km (0.1 R)
• M5: 2,738,239 km (0.118 R)
• M6: 3,336,332 km (0.115 R)
• M7: 3,890,592 km (0.103 R)
• M8: 5,063,738 km (0.1 R)
• M9: 6,520,223 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.3

Radius: 13.5

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.81 AU - 2.47 AU

Year: 2088 Days

Day: 10.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,616,240 km

• M1: 167,998 km (0.037 R)
• M2: 930,499 km (0.07 R)
• M3: 1,727,107 km (0.108 R)
• M4: 2,226,166 km (0.089 R)
• M5: 3,291,602 km (0.11 R)
• M6: 3,982,894 km (0.054 R)
• M7: 6,603,250 km (0.05 R)
• M8: 7,127,441 km (0.087 R)
• M9: 7,625,602 km (0.093 R)
• M10: 8,431,037 km (0.087 R)
• M11: 9,292,272 km (0.03 R)
• M12: 9,823,943 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.6

Radius: 12.3

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.28 AU - 4.62 AU

Year: 5235 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 74 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,616,240 km

• M1: 153,039 km (0.118 R)
• M2: 822,639 km (0.108 R)
• M3: 1,425,817 km (0.068 R)
• M4: 1,849,778 km (0.054 R)
• M5: 2,697,848 km (0.104 R)
• M6: 3,107,297 km (0.054 R)
• M7: 3,832,847 km (0.087 R)
• M8: 5,263,451 km (0.096 R)
• M9: 7,323,414 km (0.1 R)
• M10: 8,760,900 km (0.074 R)
• M11: 9,187,254 km (0.068 R)
• M12: 11,485,825 km (0.06 R)
• M13: 11,997,450 km (0.032 R)
• M14: 12,524,184 km (0.107 R)
• M15: 13,572,566 km (0.051 R)
• M16: 15,005,414 km (0.12 R)
• M17: 17,189,693 km (0.103 R)
• M18: 18,170,008 km (0.097 R)
• M19: 20,174,918 km (0.118 R)
• M20: 21,825,432 km (0.118 R)
• M21: 22,467,057 km (0.063 R)
• M22: 24,163,946 km (0.117 R)
• M23: 24,696,813 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.3

Radius: 9.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.75 AU - 6.49 AU

Year: 8885 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,616,240 km

• M1: 122,371 km (0.093 R)
• M2: 476,768 km (0.113 R)
• M3: 960,418 km (0.091 R)
• M4: 1,346,830 km (0.063 R)
• M5: 2,216,592 km (0.113 R)
• M6: 3,980,201 km (0.074 R)
• M7: 4,622,125 km (0.12 R)
• M8: 5,742,464 km (0.084 R)
• M9: 6,366,437 km (0.092 R)
• M10: 6,829,741 km (0.107 R)
• M11: 7,458,202 km (0.09 R)
• M12: 8,355,490 km (0.044 R)
• M13: 9,033,617 km (0.05 R)
• M14: 10,319,112 km (0.12 R)
• M15: 10,681,737 km (0.105 R)
• M16: 11,052,739 km (0.058 R)
• M17: 11,576,930 km (0.093 R)
• M18: 14,450,556 km (0.111 R)
• M19: 16,203,245 km (0.097 R)
• M20: 18,422,080 km (0.05 R)
• M21: 20,196,311 km (0.049 R)
• M22: 20,908,098 km (0.053 R)
• M23: 23,923,542 km (0.063 R)
• M24: 26,874,958 km (0.119 R)
• M25: 29,242,045 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.5

Radius: 3.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.45 AU - 10.61 AU

Year: 21183 Days

Day: 15.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,616,240 km

• M1: 41,738 km (0.096 R)
• M2: 236,065 km (0.102 R)
• M3: 467,194 km (0.088 R)
• M4: 574,755 km (0.103 R)
• M5: 791,971 km (0.12 R)
• M6: 1,261,110 km (0.102 R)
• M7: 2,188,168 km (0.053 R)
• M8: 2,303,957 km (0.114 R)
• M9: 2,602,704 km (0.078 R)
• M10: 5,607,227 km (0.068 R)
• M11: 7,178,155 km (0.088 R)
• M12: 7,434,865 km (0.097 R)
• M13: 7,927,640 km (0.072 R)
• M14: 8,522,890 km (0.087 R)
• M15: 9,147,311 km (0.089 R)
• M16: 10,208,858 km (0.102 R)
• M17: 10,580,309 km (0.114 R)
• M18: 14,337,610 km (0.109 R)
• M19: 16,958,863 km (0.1 R)
• M20: 21,050,515 km (0.117 R)
• M21: 23,683,437 km (0.102 R)
• M22: 24,828,609 km (0.026 R)
• M23: 26,095,853 km (0.102 R)
• M24: 26,789,089 km (0.107 R)
• M25: 32,186,131 km (0.099 R)
• M26: 32,682,647 km (0.05 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 13,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit