🌌 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: 312.5

Radius: 9.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.29 AU - 1.51 AU

Year: 1143 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,486,354 km

• M1: 118,182 km (0.099 R)
• M2: 1,282,503 km (0.063 R)
• M3: 1,672,953 km (0.113 R)
• M4: 2,045,302 km (0.114 R)
• M5: 2,376,512 km (0.08 R)
• M6: 3,358,771 km (0.117 R)
• M7: 4,250,076 km (0.113 R)
• M8: 4,863,277 km (0.098 R)
• M9: 5,309,976 km (0.065 R)
• M10: 5,961,475 km (0.111 R)
• M11: 7,775,649 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.6

Radius: 11.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.34 AU - 1.48 AU

Year: 1156 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,486,354 km

• M1: 139,276 km (0.039 R)
• M2: 519,404 km (0.035 R)
• M3: 1,135,298 km (0.081 R)
• M4: 1,733,690 km (0.043 R)
• M5: 2,082,253 km (0.088 R)
• M6: 2,789,701 km (0.056 R)
• M7: 3,273,650 km (0.114 R)
• M8: 3,873,238 km (0.116 R)
• M9: 4,837,995 km (0.107 R)
• M10: 5,976,585 km (0.043 R)
• M11: 6,785,011 km (0.053 R)
• M12: 8,082,474 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.5

Radius: 14.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.58 AU - 1.76 AU

Year: 1490 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,486,354 km

• M1: 185,352 km (0.109 R)
• M2: 675,135 km (0.116 R)
• M3: 1,183,170 km (0.086 R)
• M4: 1,666,819 km (0.115 R)
• M5: 2,191,609 km (0.116 R)
• M6: 2,800,173 km (0.045 R)
• M7: 3,360,866 km (0.056 R)
• M8: 3,890,891 km (0.114 R)
• M9: 4,913,692 km (0.104 R)
• M10: 5,851,072 km (0.112 R)
• M11: 6,449,164 km (0.049 R)
• M12: 7,601,217 km (0.072 R)
• M13: 8,703,305 km (0.115 R)
• M14: 9,646,519 km (0.115 R)
• M15: 10,176,994 km (0.104 R)
• M16: 10,657,053 km (0.059 R)
• M17: 11,369,139 km (0.08 R)
• M18: 12,265,529 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.9

Radius: 14.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.02 AU - 4.24 AU

Year: 5793 Days

Day: 6.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,486,354 km

• M1: 186,549 km (0.098 R)
• M2: 681,568 km (0.102 R)
• M3: 2,079,261 km (0.051 R)
• M4: 3,343,512 km (0.106 R)
• M5: 7,366,947 km (0.118 R)
• M6: 9,808,534 km (0.061 R)
• M7: 13,031,171 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.6

Radius: 9

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.73 AU - 5.53 AU

Year: 6877 Days

Day: 6.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,486,354 km

• M1: 111,899 km (0.099 R)
• M2: 844,630 km (0.113 R)
• M3: 1,157,738 km (0.12 R)
• M4: 1,511,387 km (0.1 R)
• M5: 2,012,839 km (0.065 R)
• M6: 2,584,752 km (0.05 R)
• M7: 3,414,422 km (0.107 R)
• M8: 4,151,939 km (0.068 R)
• M9: 4,737,166 km (0.097 R)
• M10: 6,171,062 km (0.09 R)
• M11: 8,032,508 km (0.081 R)
• M12: 8,644,663 km (0.1 R)
• M13: 9,779,063 km (0.075 R)
• M14: 10,765,362 km (0.03 R)
• M15: 11,972,168 km (0.111 R)
• M16: 12,340,628 km (0.053 R)
• M17: 15,628,490 km (0.103 R)
• M18: 17,040,245 km (0.1 R)
• M19: 17,709,246 km (0.083 R)
• M20: 18,326,188 km (0.118 R)
• M21: 25,914,540 km (0.118 R)
• M22: 28,815,841 km (0.088 R)
• M23: 33,876,438 km (0.05 R)
• M24: 35,686,722 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 11.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.91 AU - 5.13 AU

Year: 7764 Days

Day: 13.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,486,354 km

• M1: 146,756 km (0.045 R)
• M2: 541,544 km (0.105 R)
• M3: 995,275 km (0.114 R)
• M4: 1,610,421 km (0.054 R)
• M5: 1,990,549 km (0.066 R)
• M6: 2,504,867 km (0.057 R)
• M7: 3,063,914 km (0.097 R)
• M8: 3,680,706 km (0.025 R)
• M9: 4,084,171 km (0.064 R)
• M10: 5,508,493 km (0.107 R)
• M11: 6,422,985 km (0.075 R)
• M12: 7,201,941 km (0.099 R)
• M13: 7,960,103 km (0.104 R)
• M14: 8,948,197 km (0.103 R)
• M15: 11,964,539 km (0.05 R)
• M16: 13,791,428 km (0.105 R)
• M17: 14,275,826 km (0.073 R)
• M18: 17,284,987 km (0.052 R)
• M19: 18,716,339 km (0.109 R)
• M20: 19,994,055 km (0.078 R)
• M21: 20,851,101 km (0.097 R)
• M22: 21,895,593 km (0.112 R)
• M23: 24,001,632 km (0.118 R)
• M24: 24,969,829 km (0.103 R)
• M25: 25,781,099 km (0.11 R)
• M26: 27,838,369 km (0.057 R)
• M27: 30,002,900 km (0.119 R)
• M28: 38,820,947 km (0.116 R)
• M29: 42,529,328 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.5

Radius: 3.8

Gravity: 52.25 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.49 AU - 7.21 AU

Year: 11045 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,486,354 km

• M1: 61,186 km (0.098 R)
• M2: 398,379 km (0.074 R)
• M3: 665,411 km (0.116 R)
• M4: 1,170,454 km (0.032 R)
• M5: 1,376,600 km (0.09 R)
• M6: 1,606,382 km (0.099 R)
• M7: 2,016,280 km (0.064 R)
• M8: 3,230,566 km (0.075 R)
• M9: 9,130,556 km (0.089 R)
• M10: 14,161,982 km (0.043 R)
• M11: 15,448,523 km (0.104 R)
• M12: 15,870,389 km (0.088 R)
• M13: 17,864,679 km (0.101 R)
• M14: 18,018,615 km (0.082 R)
• M15: 18,643,784 km (0.108 R)
• M16: 20,353,090 km (0.112 R)
• M17: 33,660,568 km (0.06 R)
• M18: 38,829,773 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.1

Radius: 6.5

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.19 AU - 8.77 AU

Year: 17045 Days

Day: 17.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,486,354 km

• M1: 90,208 km (0.11 R)
• M2: 319,541 km (0.097 R)
• M3: 949,946 km (0.117 R)
• M4: 1,160,580 km (0.096 R)
• M5: 1,630,168 km (0.112 R)
• M6: 1,935,796 km (0.04 R)
• M7: 2,551,990 km (0.106 R)
• M8: 3,214,110 km (0.094 R)
• M9: 3,476,505 km (0.084 R)
• M10: 3,696,713 km (0.112 R)
• M11: 4,074,597 km (0.095 R)
• M12: 6,566,748 km (0.082 R)
• M13: 7,342,563 km (0.063 R)
• M14: 7,939,757 km (0.114 R)
• M15: 8,519,300 km (0.082 R)
• M16: 9,075,056 km (0.054 R)
• M17: 16,873,293 km (0.044 R)
• M18: 17,109,060 km (0.116 R)
• M19: 18,074,265 km (0.057 R)
• M20: 21,553,612 km (0.118 R)
• M21: 22,111,313 km (0.099 R)
• M22: 22,488,450 km (0.064 R)
• M23: 23,842,161 km (0.109 R)
• M24: 25,765,092 km (0.103 R)
• M25: 26,077,901 km (0.067 R)
• M26: 30,961,523 km (0.07 R)
• M27: 33,493,467 km (0.095 R)
• M28: 37,345,164 km (0.09 R)
• M29: 40,913,671 km (0.047 R)
• M30: 43,218,974 km (0.117 R)
• M31: 56,054,173 km (0.096 R)
• M32: 61,455,852 km (0.1 R)
• M33: 62,952,729 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386

Radius: 3.7

Gravity: 28.2 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.68 AU - 10.58 AU

Year: 22255 Days

Day: 22.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 67,486,354 km

• M1: 61,335 km (0.103 R)
• M2: 292,314 km (0.071 R)
• M3: 452,534 km (0.075 R)
• M4: 1,025,643 km (0.114 R)
• M5: 1,272,779 km (0.104 R)
• M6: 2,513,992 km (0.065 R)
• M7: 3,245,227 km (0.08 R)
• M8: 4,108,406 km (0.052 R)
• M9: 4,694,082 km (0.113 R)
• M10: 5,445,512 km (0.107 R)
• M11: 6,826,749 km (0.104 R)
• M12: 8,887,161 km (0.077 R)
• M13: 9,973,092 km (0.054 R)
• M14: 10,547,847 km (0.072 R)
• M15: 11,144,443 km (0.071 R)
• M16: 11,266,365 km (0.087 R)
• M17: 11,763,180 km (0.069 R)
• M18: 11,889,590 km (0.025 R)
• M19: 12,867,062 km (0.08 R)
• M20: 14,109,174 km (0.094 R)
• M21: 18,738,330 km (0.048 R)
• M22: 20,420,558 km (0.113 R)
• M23: 20,971,976 km (0.106 R)
• M24: 22,200,773 km (0.109 R)
• M25: 22,881,892 km (0.11 R)
• M26: 26,173,793 km (0.099 R)
• M27: 27,708,218 km (0.055 R)
• M28: 29,070,307 km (0.104 R)
• M29: 29,417,524 km (0.084 R)
• M30: 30,476,228 km (0.082 R)
• M31: 31,196,093 km (0.079 R)
• M32: 31,560,064 km (0.077 R)
• M33: 35,095,960 km (0.108 R)
• M34: 37,503,139 km (0.054 R)
• M35: 43,543,153 km (0.097 R)
• M36: 52,561,062 km (0.112 R)
• M37: 52,904,240 km (0.107 R)
• M38: 55,526,242 km (0.076 R)
• M39: 56,060,904 km (0.105 R)
• M40: 57,321,566 km (0.097 R)
• M41: 63,714,780 km (0.102 R)
• M42: 65,880,658 km (0.075 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: 425 - 12,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit