🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 9.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.09 AU - 1.71 AU

Year: 1087 Days

Day: 12.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,004,542 km

• M1: 123,119 km (0.096 R)
• M2: 465,100 km (0.066 R)
• M3: 863,928 km (0.119 R)
• M4: 1,270,984 km (0.06 R)
• M5: 1,581,249 km (0.083 R)
• M6: 1,925,325 km (0.12 R)
• M7: 2,279,872 km (0.119 R)
• M8: 2,678,101 km (0.096 R)
• M9: 3,172,223 km (0.069 R)
• M10: 3,684,446 km (0.097 R)
• M11: 4,041,386 km (0.107 R)
• M12: 4,374,391 km (0.082 R)
• M13: 4,758,708 km (0.106 R)
• M14: 5,235,626 km (0.109 R)
• M15: 5,838,207 km (0.029 R)
• M16: 6,365,090 km (0.108 R)
• M17: 7,335,831 km (0.084 R)
• M18: 7,649,986 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508

Radius: 9.2

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.79 AU - 4.29 AU

Year: 4369 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,004,542 km

• M1: 114,442 km (0.109 R)
• M2: 413,040 km (0.092 R)
• M3: 862,432 km (0.084 R)
• M4: 1,343,688 km (0.065 R)
• M5: 2,261,770 km (0.108 R)
• M6: 2,916,560 km (0.105 R)
• M7: 3,204,237 km (0.085 R)
• M8: 3,550,855 km (0.093 R)
• M9: 3,858,727 km (0.08 R)
• M10: 4,274,460 km (0.036 R)
• M11: 5,273,923 km (0.099 R)
• M12: 5,703,568 km (0.106 R)
• M13: 6,069,934 km (0.052 R)
• M14: 6,633,469 km (0.087 R)
• M15: 7,361,861 km (0.108 R)
• M16: 10,732,002 km (0.032 R)
• M17: 11,117,216 km (0.105 R)
• M18: 13,725,754 km (0.091 R)
• M19: 14,129,070 km (0.102 R)
• M20: 14,644,136 km (0.093 R)
• M21: 15,225,323 km (0.098 R)
• M22: 17,586,576 km (0.086 R)
• M23: 19,290,047 km (0.086 R)
• M24: 20,376,427 km (0.085 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.6

Radius: 4.1

Gravity: 42.63 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.22 AU - 9.76 AU

Year: 14816 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,004,542 km

• M1: 51,013 km (0.103 R)
• M2: 217,067 km (0.075 R)
• M3: 350,657 km (0.045 R)
• M4: 636,240 km (0.111 R)
• M5: 1,350,869 km (0.091 R)
• M6: 1,624,184 km (0.088 R)
• M7: 1,951,654 km (0.031 R)
• M8: 2,342,403 km (0.118 R)
• M9: 2,925,985 km (0.118 R)
• M10: 3,656,920 km (0.116 R)
• M11: 7,215,255 km (0.111 R)
• M12: 7,484,980 km (0.077 R)
• M13: 7,714,912 km (0.071 R)
• M14: 8,092,497 km (0.106 R)
• M15: 8,237,158 km (0.103 R)
• M16: 8,432,832 km (0.117 R)
• M17: 8,833,605 km (0.06 R)
• M18: 9,835,910 km (0.053 R)
• M19: 10,449,561 km (0.118 R)
• M20: 13,563,441 km (0.103 R)
• M21: 16,849,208 km (0.113 R)
• M22: 18,217,131 km (0.091 R)
• M23: 18,970,506 km (0.118 R)
• M24: 20,360,719 km (0.082 R)
• M25: 22,571,028 km (0.065 R)
• M26: 23,734,001 km (0.078 R)
• M27: 25,038,345 km (0.084 R)
• M28: 25,243,145 km (0.118 R)
• M29: 25,864,275 km (0.102 R)
• M30: 26,495,578 km (0.103 R)
• M31: 32,040,423 km (0.092 R)
• M32: 33,880,776 km (0.112 R)
• M33: 35,790,393 km (0.118 R)
• M34: 44,897,313 km (0.076 R)
• M35: 46,422,463 km (0.084 R)
• M36: 52,701,235 km (0.117 R)
• M37: 54,055,545 km (0.105 R)
• M38: 54,913,638 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.3

Radius: 3.7

Gravity: 63.13 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.57 AU - 9.97 AU

Year: 15602 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 66,004,542 km

• M1: 46,226 km (0.1 R)
• M2: 262,694 km (0.046 R)
• M3: 501,302 km (0.111 R)
• M4: 787,483 km (0.109 R)
• M5: 949,647 km (0.074 R)
• M6: 1,187,059 km (0.057 R)
• M7: 1,640,939 km (0.074 R)
• M8: 2,710,863 km (0.116 R)
• M9: 2,880,357 km (0.062 R)
• M10: 3,601,569 km (0.107 R)
• M11: 4,705,751 km (0.074 R)
• M12: 5,094,855 km (0.088 R)
• M13: 6,475,793 km (0.096 R)
• M14: 7,137,464 km (0.083 R)
• M15: 7,650,435 km (0.112 R)
• M16: 7,842,968 km (0.105 R)
• M17: 9,723,712 km (0.089 R)
• M18: 10,236,982 km (0.116 R)
• M19: 11,567,207 km (0.065 R)
• M20: 13,282,945 km (0.115 R)
• M21: 15,085,599 km (0.044 R)
• M22: 16,006,224 km (0.117 R)
• M23: 20,429,983 km (0.103 R)
• M24: 23,622,551 km (0.114 R)
• M25: 25,603,676 km (0.039 R)
• M26: 26,579,652 km (0.104 R)
• M27: 26,799,860 km (0.069 R)
• M28: 27,355,616 km (0.089 R)
• M29: 28,490,316 km (0.113 R)
• M30: 29,302,932 km (0.106 R)
• M31: 29,655,833 km (0.052 R)
• M32: 30,250,485 km (0.099 R)
• M33: 30,731,741 km (0.108 R)
• M34: 33,470,728 km (0.1 R)
• M35: 35,428,815 km (0.107 R)
• M36: 36,912,227 km (0.102 R)
• M37: 42,806,234 km (0.061 R)
• M38: 43,718,183 km (0.071 R)
• M39: 46,531,520 km (0.06 R)
• M40: 48,636,811 km (0.113 R)
• M41: 49,297,136 km (0.063 R)
• M42: 53,911,482 km (0.088 R)
• M43: 55,871,214 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.6

Radius: 5.7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.22 AU - 9.94 AU

Year: 16487 Days

Day: 16.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,004,542 km

• M1: 102,923 km (0.063 R)
• M2: 633,846 km (0.092 R)
• M3: 1,085,781 km (0.077 R)
• M4: 2,605,546 km (0.036 R)
• M5: 3,879,821 km (0.108 R)
• M6: 13,724,557 km (0.095 R)
• M7: 16,765,284 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.3

Radius: 4.4

Gravity: 22.95 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.9 AU - 10.66 AU

Year: 20064 Days

Day: 22.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,004,542 km

• M1: 54,753 km (0.106 R)
• M2: 290,968 km (0.073 R)
• M3: 465,549 km (0.118 R)
• M4: 728,542 km (0.099 R)
• M5: 1,679,834 km (0.108 R)
• M6: 2,096,465 km (0.119 R)
• M7: 2,834,132 km (0.112 R)
• M8: 3,131,682 km (0.094 R)
• M9: 4,500,951 km (0.098 R)
• M10: 4,802,540 km (0.106 R)
• M11: 5,905,526 km (0.104 R)
• M12: 6,064,398 km (0.06 R)
• M13: 6,600,408 km (0.113 R)
• M14: 8,700,463 km (0.112 R)
• M15: 14,157,942 km (0.084 R)
• M16: 17,181,465 km (0.095 R)
• M17: 19,624,697 km (0.104 R)
• M18: 20,068,106 km (0.104 R)
• M19: 23,360,904 km (0.084 R)
• M20: 26,455,486 km (0.1 R)
• M21: 29,349,307 km (0.083 R)
• M22: 29,928,999 km (0.053 R)
• M23: 38,587,724 km (0.052 R)
• M24: 47,812,377 km (0.109 R)
• M25: 48,776,087 km (0.104 R)
• M26: 51,913,004 km (0.105 R)
• M27: 52,760,476 km (0.092 R)
• M28: 54,482,647 km (0.077 R)
• M29: 55,006,539 km (0.032 R)
• M30: 61,369,235 km (0.081 R)
• M31: 63,081,084 km (0.084 R)
• M32: 65,412,716 km (0.084 R)
• M33: 66,004,525 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 11,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit