🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 10.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.95 AU - 1.41 AU

Year: 885 Days

Day: 10.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 123.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,433,538 km

• M1: 127,158 km (0.09 R)
• M2: 576,401 km (0.091 R)
• M3: 1,006,046 km (0.1 R)
• M4: 1,647,671 km (0.111 R)
• M5: 2,065,647 km (0.117 R)
• M6: 2,798,527 km (0.117 R)
• M7: 3,298,932 km (0.08 R)
• M8: 4,053,803 km (0.071 R)
• M9: 4,464,748 km (0.093 R)
• M10: 6,336,816 km (0.074 R)
• M11: 6,851,433 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.5

Radius: 10.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.48 AU - 1.88 AU

Year: 1503 Days

Day: 8.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,433,538 km

• M1: 130,599 km (0.077 R)
• M2: 501,302 km (0.091 R)
• M3: 1,377,796 km (0.11 R)
• M4: 1,840,353 km (0.052 R)
• M5: 2,265,211 km (0.079 R)
• M6: 2,664,488 km (0.079 R)
• M7: 4,033,607 km (0.096 R)
• M8: 5,543,349 km (0.118 R)
• M9: 5,890,117 km (0.111 R)
• M10: 6,274,434 km (0.052 R)
• M11: 6,993,700 km (0.046 R)
• M12: 7,347,799 km (0.082 R)
• M13: 8,567,919 km (0.102 R)
• M14: 10,694,004 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.4

Radius: 8.3

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.42 AU - 2.2 AU

Year: 1681 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,433,538 km

• M1: 103,223 km (0.037 R)
• M2: 395,387 km (0.057 R)
• M3: 793,916 km (0.089 R)
• M4: 1,477,877 km (0.112 R)
• M5: 1,768,696 km (0.094 R)
• M6: 2,283,911 km (0.057 R)
• M7: 2,619,309 km (0.061 R)
• M8: 2,941,244 km (0.106 R)
• M9: 3,845,862 km (0.078 R)
• M10: 4,146,554 km (0.089 R)
• M11: 4,585,923 km (0.103 R)
• M12: 4,924,612 km (0.046 R)
• M13: 5,211,990 km (0.079 R)
• M14: 5,557,561 km (0.045 R)
• M15: 7,291,999 km (0.031 R)
• M16: 8,267,078 km (0.112 R)
• M17: 8,642,269 km (0.055 R)
• M18: 9,259,809 km (0.054 R)
• M19: 10,913,464 km (0.107 R)
• M20: 12,146,300 km (0.109 R)
• M21: 12,713,874 km (0.095 R)
• M22: 14,433,203 km (0.079 R)
• M23: 14,794,930 km (0.043 R)
• M24: 15,916,166 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 8.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.75 AU - 4.43 AU

Year: 5709 Days

Day: 8.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,433,538 km

• M1: 108,907 km (0.07 R)
• M2: 447,447 km (0.093 R)
• M3: 808,277 km (0.055 R)
• M4: 1,218,175 km (0.032 R)
• M5: 1,506,899 km (0.088 R)
• M6: 2,528,503 km (0.078 R)
• M7: 2,912,820 km (0.099 R)
• M8: 4,162,710 km (0.081 R)
• M9: 4,725,946 km (0.112 R)
• M10: 5,174,291 km (0.09 R)
• M11: 5,944,271 km (0.092 R)
• M12: 6,562,559 km (0.078 R)
• M13: 6,887,336 km (0.11 R)
• M14: 7,854,337 km (0.111 R)
• M15: 8,258,102 km (0.119 R)
• M16: 9,027,783 km (0.064 R)
• M17: 9,430,051 km (0.078 R)
• M18: 10,141,539 km (0.116 R)
• M19: 10,664,832 km (0.069 R)
• M20: 11,718,300 km (0.07 R)
• M21: 12,940,216 km (0.075 R)
• M22: 15,521,228 km (0.098 R)
• M23: 16,512,164 km (0.108 R)
• M24: 17,669,005 km (0.061 R)
• M25: 18,684,176 km (0.06 R)
• M26: 19,670,923 km (0.055 R)
• M27: 21,040,043 km (0.065 R)
• M28: 26,008,787 km (0.092 R)
• M29: 27,488,459 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.6

Radius: 8.8

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.97 AU - 6.41 AU

Year: 8161 Days

Day: 9.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,433,538 km

• M1: 109,506 km (0.113 R)
• M2: 400,473 km (0.082 R)
• M3: 706,850 km (0.097 R)
• M4: 1,012,179 km (0.117 R)
• M5: 1,346,381 km (0.079 R)
• M6: 1,655,450 km (0.109 R)
• M7: 2,060,262 km (0.097 R)
• M8: 2,383,842 km (0.115 R)
• M9: 3,288,610 km (0.094 R)
• M10: 3,660,361 km (0.115 R)
• M11: 6,060,060 km (0.115 R)
• M12: 7,805,568 km (0.085 R)
• M13: 8,091,599 km (0.098 R)
• M14: 8,728,138 km (0.109 R)
• M15: 9,443,515 km (0.113 R)
• M16: 9,910,111 km (0.097 R)
• M17: 11,402,798 km (0.097 R)
• M18: 13,914,397 km (0.078 R)
• M19: 14,890,074 km (0.043 R)
• M20: 15,651,079 km (0.044 R)
• M21: 21,322,633 km (0.115 R)
• M22: 22,783,157 km (0.116 R)
• M23: 23,116,611 km (0.09 R)
• M24: 24,396,122 km (0.118 R)
• M25: 25,009,174 km (0.099 R)
• M26: 29,689,941 km (0.092 R)
• M27: 31,405,829 km (0.077 R)
• M28: 32,973,914 km (0.12 R)
• M29: 34,483,805 km (0.085 R)
• M30: 35,255,880 km (0.093 R)
• M31: 38,341,934 km (0.064 R)
• M32: 38,932,547 km (0.04 R)
• M33: 39,289,786 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.3

Radius: 5.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.24 AU - 10.42 AU

Year: 18111 Days

Day: 22.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,433,538 km

• M1: 70,909 km (0.086 R)
• M2: 278,850 km (0.119 R)
• M3: 467,344 km (0.066 R)
• M4: 959,371 km (0.108 R)
• M5: 1,574,966 km (0.11 R)
• M6: 1,919,939 km (0.046 R)
• M7: 2,376,661 km (0.119 R)
• M8: 4,023,285 km (0.064 R)
• M9: 5,107,122 km (0.1 R)
• M10: 7,045,312 km (0.09 R)
• M11: 8,306,422 km (0.072 R)
• M12: 12,008,670 km (0.039 R)
• M13: 13,641,231 km (0.114 R)
• M14: 14,537,472 km (0.09 R)
• M15: 23,833,933 km (0.107 R)
• M16: 26,474,784 km (0.1 R)
• M17: 27,287,250 km (0.116 R)
• M18: 27,616,814 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.5

Radius: 7.9

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.23 AU - 12.91 AU

Year: 23720 Days

Day: 15.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,433,538 km

• M1: 130,001 km (0.03 R)
• M2: 889,509 km (0.102 R)
• M3: 1,468,752 km (0.078 R)
• M4: 2,012,690 km (0.115 R)
• M5: 5,922,281 km (0.113 R)
• M6: 6,171,959 km (0.079 R)
• M7: 14,721,178 km (0.071 R)
• M8: 16,047,364 km (0.026 R)
• M9: 17,197,921 km (0.11 R)
• M10: 19,939,601 km (0.119 R)
• M11: 20,219,499 km (0.101 R)
• M12: 20,978,708 km (0.097 R)
• M13: 21,658,481 km (0.074 R)
• M14: 23,164,632 km (0.078 R)
• M15: 37,382,713 km (0.028 R)
• M16: 51,087,822 km (0.101 R)
• M17: 55,384,572 km (0.047 R)
• M18: 57,056,029 km (0.103 R)
• M19: 69,923,541 km (0.082 R)
• M20: 73,417,698 km (0.069 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 11,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit