🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.21 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.98 AU - 2.84 AU

Year: 1387 Days

Day: 44.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.7

Radius: 13.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.21 AU - 9.97 AU

Year: 9337 Days

Day: 12.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,185,071 km

• M1: 166,951 km (0.086 R)
• M2: 726,298 km (0.109 R)
• M3: 1,448,107 km (0.059 R)
• M4: 2,345,994 km (0.078 R)
• M5: 2,992,257 km (0.117 R)
• M6: 3,448,979 km (0.081 R)
• M7: 4,028,521 km (0.057 R)
• M8: 5,669,311 km (0.101 R)
• M9: 6,622,249 km (0.077 R)
• M10: 7,099,915 km (0.091 R)
• M11: 7,679,457 km (0.115 R)
• M12: 12,552,608 km (0.093 R)
• M13: 13,114,647 km (0.088 R)
• M14: 14,964,574 km (0.078 R)
• M15: 15,725,429 km (0.094 R)
• M16: 16,982,799 km (0.074 R)
• M17: 20,380,167 km (0.07 R)
• M18: 22,937,243 km (0.063 R)
• M19: 24,379,516 km (0.096 R)
• M20: 25,522,594 km (0.083 R)
• M21: 31,367,981 km (0.089 R)
• M22: 35,539,517 km (0.11 R)
• M23: 35,987,264 km (0.032 R)
• M24: 36,665,989 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.2

Radius: 8.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.62 AU - 10.62 AU

Year: 9386 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,185,071 km

• M1: 110,702 km (0.068 R)
• M2: 409,898 km (0.116 R)
• M3: 1,125,425 km (0.071 R)
• M4: 1,508,096 km (0.087 R)
• M5: 1,829,432 km (0.091 R)
• M6: 2,433,209 km (0.1 R)
• M7: 2,762,773 km (0.067 R)
• M8: 4,261,595 km (0.092 R)
• M9: 4,605,969 km (0.067 R)
• M10: 5,533,326 km (0.073 R)
• M11: 7,261,331 km (0.112 R)
• M12: 7,600,021 km (0.115 R)
• M13: 7,988,676 km (0.107 R)
• M14: 8,679,818 km (0.113 R)
• M15: 10,274,382 km (0.061 R)
• M16: 11,490,912 km (0.111 R)
• M17: 14,559,762 km (0.082 R)
• M18: 15,160,099 km (0.113 R)
• M19: 17,192,386 km (0.1 R)
• M20: 19,761,131 km (0.099 R)
• M21: 20,947,143 km (0.078 R)
• M22: 21,250,976 km (0.066 R)
• M23: 22,495,780 km (0.037 R)
• M24: 23,298,073 km (0.12 R)
• M25: 24,285,718 km (0.068 R)
• M26: 25,819,396 km (0.11 R)
• M27: 26,344,634 km (0.119 R)
• M28: 28,610,144 km (0.046 R)
• M29: 30,806,390 km (0.074 R)
• M30: 35,102,692 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.5

Radius: 6

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 10.27 AU - 13.99 AU

Year: 15667 Days

Day: 15.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,185,071 km

• M1: 74,649 km (0.032 R)
• M2: 382,522 km (0.092 R)
• M3: 841,787 km (0.071 R)
• M4: 2,063,553 km (0.106 R)
• M5: 3,964,792 km (0.094 R)
• M6: 6,241,822 km (0.117 R)
• M7: 7,063,114 km (0.071 R)
• M8: 9,073,111 km (0.103 R)
• M9: 9,508,441 km (0.09 R)
• M10: 10,722,876 km (0.059 R)
• M11: 12,611,549 km (0.098 R)
• M12: 13,455,880 km (0.075 R)
• M13: 16,914,582 km (0.101 R)
• M14: 19,588,495 km (0.097 R)
• M15: 21,059,790 km (0.111 R)
• M16: 21,266,085 km (0.097 R)
• M17: 23,255,887 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.9

Radius: 6.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 15.27 AU - 20.15 AU

Year: 27640 Days

Day: 16.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,185,071 km

• M1: 78,389 km (0.073 R)
• M2: 388,954 km (0.079 R)
• M3: 973,583 km (0.102 R)
• M4: 1,428,211 km (0.064 R)
• M5: 1,643,333 km (0.042 R)
• M6: 2,050,388 km (0.097 R)
• M7: 2,287,651 km (0.093 R)
• M8: 2,928,229 km (0.058 R)
• M9: 6,754,045 km (0.074 R)
• M10: 8,982,754 km (0.044 R)
• M11: 10,447,317 km (0.081 R)
• M12: 11,716,804 km (0.092 R)
• M13: 12,598,085 km (0.097 R)
• M14: 13,396,938 km (0.119 R)
• M15: 19,310,991 km (0.113 R)
• M16: 21,556,754 km (0.042 R)
• M17: 26,164,967 km (0.097 R)
• M18: 28,697,509 km (0.1 R)
• M19: 28,906,946 km (0.084 R)
• M20: 38,398,482 km (0.095 R)
• M21: 41,658,968 km (0.063 R)
• M22: 41,927,496 km (0.038 R)
• M23: 43,425,270 km (0.086 R)
• M24: 44,396,609 km (0.104 R)
• M25: 50,990,285 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.5

Radius: 7.7

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 16.57 AU - 19.77 AU

Year: 28723 Days

Day: 24.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,185,071 km

• M1: 101,876 km (0.038 R)
• M2: 946,207 km (0.114 R)
• M3: 1,393,803 km (0.063 R)
• M4: 1,996,084 km (0.109 R)
• M5: 4,564,680 km (0.106 R)
• M6: 6,806,254 km (0.057 R)
• M7: 7,626,200 km (0.064 R)
• M8: 11,974,412 km (0.116 R)
• M9: 14,205,215 km (0.119 R)
• M10: 17,650,305 km (0.05 R)
• M11: 22,020,956 km (0.104 R)
• M12: 34,450,894 km (0.111 R)
• M13: 39,051,477 km (0.112 R)
• M14: 44,207,966 km (0.047 R)
• M15: 50,331,156 km (0.052 R)
• M16: 51,403,773 km (0.057 R)
• M17: 54,151,886 km (0.117 R)
• M18: 56,419,640 km (0.103 R)
• M19: 61,143,791 km (0.079 R)
• M20: 62,364,660 km (0.046 R)
• M21: 66,124,802 km (0.111 R)
• M22: 71,594,250 km (0.095 R)
• M23: 79,988,485 km (0.096 R)
• M24: 81,693,452 km (0.114 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: 303 - 14,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit