🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.2

Radius: 10.1

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.82 AU - 1.1 AU

Year: 627 Days

Day: 9.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,159,122 km

• M1: 126,709 km (0.119 R)
• M2: 457,919 km (0.099 R)
• M3: 974,929 km (0.107 R)
• M4: 1,378,096 km (0.086 R)
• M5: 1,826,590 km (0.1 R)
• M6: 2,153,910 km (0.047 R)
• M7: 2,974,754 km (0.063 R)
• M8: 3,369,243 km (0.076 R)
• M9: 4,249,627 km (0.064 R)
• M10: 4,751,827 km (0.057 R)
• M11: 5,293,371 km (0.052 R)
• M12: 6,441,385 km (0.065 R)
• M13: 6,818,222 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 13

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.17 AU - 2.43 AU

Year: 2326 Days

Day: 13.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,159,122 km

• M1: 161,865 km (0.065 R)
• M2: 1,227,151 km (0.103 R)
• M3: 1,740,272 km (0.111 R)
• M4: 2,237,087 km (0.071 R)
• M5: 3,029,955 km (0.099 R)
• M6: 3,600,222 km (0.082 R)
• M7: 5,016,017 km (0.114 R)
• M8: 5,562,348 km (0.103 R)
• M9: 10,965,674 km (0.108 R)
• M10: 11,506,919 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.3

Radius: 10.2

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.15 AU - 4.43 AU

Year: 5925 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,159,122 km

• M1: 126,859 km (0.103 R)
• M2: 540,796 km (0.067 R)
• M3: 922,420 km (0.108 R)
• M4: 2,141,194 km (0.1 R)
• M5: 2,544,211 km (0.102 R)
• M6: 2,957,700 km (0.103 R)
• M7: 3,616,828 km (0.052 R)
• M8: 3,993,814 km (0.046 R)
• M9: 4,799,548 km (0.056 R)
• M10: 6,223,271 km (0.109 R)
• M11: 7,832,945 km (0.079 R)
• M12: 8,589,611 km (0.112 R)
• M13: 9,658,787 km (0.117 R)
• M14: 10,248,801 km (0.044 R)
• M15: 11,956,909 km (0.083 R)
• M16: 14,952,756 km (0.086 R)
• M17: 15,496,544 km (0.074 R)
• M18: 16,816,895 km (0.072 R)
• M19: 17,141,971 km (0.101 R)
• M20: 18,142,631 km (0.099 R)
• M21: 18,484,612 km (0.119 R)
• M22: 19,252,348 km (0.068 R)
• M23: 20,480,397 km (0.114 R)
• M24: 23,413,413 km (0.036 R)
• M25: 26,091,365 km (0.078 R)
• M26: 30,481,464 km (0.111 R)
• M27: 31,750,054 km (0.083 R)
• M28: 33,564,377 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 14.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.01 AU - 4.85 AU

Year: 6218 Days

Day: 6.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,159,122 km

• M1: 185,501 km (0.064 R)
• M2: 667,356 km (0.091 R)
• M3: 1,196,035 km (0.105 R)
• M4: 1,714,092 km (0.103 R)
• M5: 2,450,563 km (0.087 R)
• M6: 2,970,116 km (0.115 R)
• M7: 4,162,411 km (0.081 R)
• M8: 4,747,937 km (0.051 R)
• M9: 5,417,388 km (0.111 R)
• M10: 7,699,653 km (0.082 R)
• M11: 8,231,772 km (0.115 R)
• M12: 9,627,072 km (0.07 R)
• M13: 11,611,338 km (0.091 R)
• M14: 12,778,501 km (0.107 R)
• M15: 13,966,756 km (0.074 R)
• M16: 15,109,834 km (0.071 R)
• M17: 15,764,773 km (0.102 R)
• M18: 16,438,412 km (0.097 R)
• M19: 17,003,892 km (0.085 R)
• M20: 19,396,860 km (0.117 R)
• M21: 23,791,896 km (0.038 R)
• M22: 26,691,402 km (0.101 R)
• M23: 30,284,892 km (0.079 R)
• M24: 31,040,511 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.4

Radius: 14.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.03 AU - 5.21 AU

Year: 6622 Days

Day: 6.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,159,122 km

• M1: 183,257 km (0.116 R)
• M2: 827,127 km (0.056 R)
• M3: 1,491,640 km (0.097 R)
• M4: 1,986,361 km (0.072 R)
• M5: 3,235,652 km (0.04 R)
• M6: 3,792,904 km (0.115 R)
• M7: 5,427,860 km (0.104 R)
• M8: 6,731,156 km (0.106 R)
• M9: 7,684,394 km (0.106 R)
• M10: 9,769,339 km (0.05 R)
• M11: 10,605,143 km (0.078 R)
• M12: 11,690,924 km (0.091 R)
• M13: 12,208,533 km (0.064 R)
• M14: 15,457,050 km (0.081 R)
• M15: 19,101,105 km (0.104 R)
• M16: 22,165,318 km (0.085 R)
• M17: 25,029,220 km (0.042 R)
• M18: 26,505,751 km (0.114 R)
• M19: 27,856,171 km (0.077 R)
• M20: 29,346,764 km (0.117 R)
• M21: 31,382,941 km (0.117 R)
• M22: 33,615,539 km (0.101 R)
• M23: 35,735,341 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 9

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.78 AU - 5.72 AU

Year: 8022 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,159,122 km

• M1: 111,899 km (0.102 R)
• M2: 434,432 km (0.083 R)
• M3: 1,079,648 km (0.027 R)
• M4: 1,465,910 km (0.055 R)
• M5: 2,135,360 km (0.109 R)
• M6: 2,892,026 km (0.088 R)
• M7: 6,137,253 km (0.065 R)
• M8: 6,738,187 km (0.078 R)
• M9: 7,812,749 km (0.056 R)
• M10: 8,181,358 km (0.084 R)
• M11: 9,494,678 km (0.062 R)
• M12: 11,249,760 km (0.059 R)
• M13: 13,794,120 km (0.06 R)
• M14: 14,394,008 km (0.059 R)
• M15: 14,886,484 km (0.119 R)
• M16: 16,699,012 km (0.064 R)
• M17: 20,064,515 km (0.114 R)
• M18: 20,370,293 km (0.091 R)
• M19: 21,227,339 km (0.076 R)
• M20: 23,013,089 km (0.1 R)
• M21: 24,809,012 km (0.118 R)
• M22: 26,604,485 km (0.084 R)
• M23: 29,654,786 km (0.034 R)
• M24: 32,613,832 km (0.087 R)
• M25: 33,143,109 km (0.05 R)
• M26: 35,540,565 km (0.116 R)
• M27: 35,876,113 km (0.099 R)
• M28: 37,586,166 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.6

Radius: 5

Gravity: 21.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.26 AU - 9.34 AU

Year: 15946 Days

Day: 20.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,159,122 km

• M1: 62,382 km (0.091 R)
• M2: 467,942 km (0.057 R)
• M3: 642,972 km (0.066 R)
• M4: 1,668,615 km (0.101 R)
• M5: 2,796,583 km (0.101 R)
• M6: 3,231,314 km (0.066 R)
• M7: 3,822,525 km (0.075 R)
• M8: 4,143,861 km (0.092 R)
• M9: 8,034,154 km (0.097 R)
• M10: 9,472,836 km (0.094 R)
• M11: 15,522,724 km (0.113 R)
• M12: 16,414,477 km (0.091 R)
• M13: 20,852,597 km (0.117 R)
• M14: 21,030,768 km (0.096 R)
• M15: 22,680,683 km (0.107 R)
• M16: 23,344,897 km (0.093 R)
• M17: 23,633,621 km (0.087 R)
• M18: 29,133,288 km (0.114 R)
• M19: 31,764,116 km (0.115 R)
• M20: 36,709,373 km (0.083 R)
• M21: 40,184,531 km (0.113 R)
• M22: 40,737,894 km (0.087 R)
• M23: 41,296,492 km (0.043 R)
• M24: 47,318,255 km (0.106 R)
• M25: 52,570,188 km (0.086 R)
• M26: 59,083,829 km (0.119 R)
• M27: 59,979,022 km (0.087 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: 412 - 16,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit