🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.52 AU - 0.66 AU

Year: 297 Days

Day: 28.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.5

Radius: 11.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.96 AU - 0.96 AU

Year: 617 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,897,097 km

• M1: 144,212 km (0.054 R)
• M2: 518,805 km (0.052 R)
• M3: 1,076,955 km (0.087 R)
• M4: 1,514,080 km (0.093 R)
• M5: 2,209,261 km (0.091 R)
• M6: 2,832,935 km (0.083 R)
• M7: 3,363,259 km (0.044 R)
• M8: 4,053,654 km (0.12 R)
• M9: 4,550,019 km (0.115 R)
• M10: 5,312,968 km (0.062 R)
• M11: 5,979,726 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.2

Radius: 14.8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.62 AU - 3.46 AU

Year: 3477 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,897,097 km

• M1: 184,753 km (0.11 R)
• M2: 728,841 km (0.112 R)
• M3: 1,384,528 km (0.112 R)
• M4: 1,891,815 km (0.075 R)
• M5: 3,029,656 km (0.071 R)
• M6: 3,789,164 km (0.064 R)
• M7: 4,651,147 km (0.116 R)
• M8: 7,055,335 km (0.041 R)
• M9: 7,658,663 km (0.074 R)
• M10: 8,329,011 km (0.11 R)
• M11: 9,714,587 km (0.08 R)
• M12: 11,781,132 km (0.087 R)
• M13: 15,186,278 km (0.087 R)
• M14: 17,627,267 km (0.079 R)
• M15: 19,607,793 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.5

Radius: 8.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.22 AU - 3.36 AU

Year: 3915 Days

Day: 15 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,897,097 km

• M1: 109,954 km (0.107 R)
• M2: 452,982 km (0.11 R)
• M3: 837,598 km (0.058 R)
• M4: 1,658,741 km (0.038 R)
• M5: 2,589,988 km (0.045 R)
• M6: 4,691,688 km (0.091 R)
• M7: 5,881,739 km (0.116 R)
• M8: 6,691,812 km (0.038 R)
• M9: 8,060,483 km (0.066 R)
• M10: 8,429,990 km (0.103 R)
• M11: 10,849,137 km (0.096 R)
• M12: 12,108,152 km (0.097 R)
• M13: 13,045,682 km (0.063 R)
• M14: 14,913,861 km (0.119 R)
• M15: 15,471,412 km (0.093 R)
• M16: 16,148,342 km (0.116 R)
• M17: 17,172,938 km (0.06 R)
• M18: 20,259,591 km (0.116 R)
• M19: 20,943,702 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 9.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.78 AU - 4.16 AU

Year: 4240 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,897,097 km

• M1: 125,213 km (0.101 R)
• M2: 439,369 km (0.077 R)
• M3: 2,109,031 km (0.108 R)
• M4: 2,517,882 km (0.042 R)
• M5: 11,120,807 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 8.9

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.89 AU - 5.49 AU

Year: 6663 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,897,097 km

• M1: 110,702 km (0.06 R)
• M2: 401,371 km (0.052 R)
• M3: 848,519 km (0.083 R)
• M4: 1,665,323 km (0.076 R)
• M5: 2,296,178 km (0.062 R)
• M6: 2,832,636 km (0.118 R)
• M7: 3,450,475 km (0.107 R)
• M8: 3,877,278 km (0.083 R)
• M9: 4,751,528 km (0.098 R)
• M10: 5,159,930 km (0.085 R)
• M11: 5,687,262 km (0.083 R)
• M12: 7,409,583 km (0.063 R)
• M13: 9,053,514 km (0.092 R)
• M14: 10,196,740 km (0.104 R)
• M15: 11,127,987 km (0.05 R)
• M16: 12,114,884 km (0.104 R)
• M17: 12,767,580 km (0.106 R)
• M18: 13,732,037 km (0.116 R)
• M19: 14,501,718 km (0.111 R)
• M20: 15,488,167 km (0.085 R)
• M21: 16,322,175 km (0.107 R)
• M22: 17,801,099 km (0.097 R)
• M23: 20,410,834 km (0.07 R)
• M24: 23,849,790 km (0.117 R)
• M25: 24,615,432 km (0.085 R)
• M26: 28,124,100 km (0.074 R)
• M27: 29,655,235 km (0.039 R)
• M28: 33,407,448 km (0.108 R)
• M29: 34,258,511 km (0.044 R)
• M30: 36,003,720 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.9

Radius: 12.5

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.08 AU - 6.08 AU

Year: 7511 Days

Day: 11.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,897,097 km

• M1: 155,881 km (0.115 R)
• M2: 677,379 km (0.109 R)
• M3: 1,114,205 km (0.103 R)
• M4: 1,510,789 km (0.111 R)
• M5: 2,527,456 km (0.091 R)
• M6: 4,788,329 km (0.079 R)
• M7: 5,469,897 km (0.079 R)
• M8: 6,179,888 km (0.082 R)
• M9: 8,419,368 km (0.076 R)
• M10: 8,907,057 km (0.076 R)
• M11: 9,320,097 km (0.061 R)
• M12: 9,939,283 km (0.047 R)
• M13: 17,372,352 km (0.071 R)
• M14: 19,976,851 km (0.108 R)
• M15: 21,989,690 km (0.067 R)
• M16: 22,831,627 km (0.074 R)
• M17: 24,134,475 km (0.079 R)
• M18: 28,143,997 km (0.075 R)
• M19: 28,836,336 km (0.098 R)
• M20: 32,685,788 km (0.108 R)
• M21: 35,587,239 km (0.091 R)
• M22: 37,813,255 km (0.1 R)
• M23: 38,293,465 km (0.108 R)
• M24: 38,777,862 km (0.073 R)
• M25: 43,060,849 km (0.102 R)

Asteroid Belt

Center: 6.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.9

Radius: 6.1

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.48 AU - 7.64 AU

Year: 12306 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 52,897,097 km

• M1: 75,846 km (0.093 R)
• M2: 472,131 km (0.048 R)
• M3: 897,438 km (0.088 R)
• M4: 1,420,432 km (0.073 R)
• M5: 1,676,543 km (0.061 R)
• M6: 3,146,642 km (0.036 R)
• M7: 3,666,045 km (0.12 R)
• M8: 3,889,245 km (0.069 R)
• M9: 4,362,872 km (0.073 R)
• M10: 4,581,884 km (0.095 R)
• M11: 4,874,198 km (0.104 R)
• M12: 6,248,254 km (0.114 R)
• M13: 6,648,877 km (0.093 R)
• M14: 7,066,555 km (0.045 R)
• M15: 7,725,683 km (0.096 R)
• M16: 8,046,869 km (0.082 R)
• M17: 10,775,684 km (0.049 R)
• M18: 12,628,304 km (0.119 R)
• M19: 13,268,583 km (0.095 R)
• M20: 14,475,389 km (0.113 R)
• M21: 15,176,554 km (0.12 R)
• M22: 15,753,553 km (0.108 R)
• M23: 16,798,345 km (0.069 R)
• M24: 17,260,004 km (0.111 R)
• M25: 18,942,531 km (0.083 R)
• M26: 21,262,645 km (0.101 R)
• M27: 22,352,016 km (0.113 R)
• M28: 22,910,465 km (0.087 R)
• M29: 23,958,398 km (0.119 R)
• M30: 29,347,362 km (0.085 R)
• M31: 29,904,465 km (0.111 R)
• M32: 32,796,640 km (0.118 R)
• M33: 36,378,911 km (0.117 R)
• M34: 41,316,987 km (0.078 R)
• M35: 46,834,755 km (0.071 R)
• M36: 50,720,709 km (0.038 R)
• M37: 52,496,586 km (0.065 R)
• M38: 58,072,547 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.2

Radius: 4.9

Gravity: 29.33 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.89 AU - 8.47 AU

Year: 13962 Days

Day: 23.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,897,097 km

• M1: 60,886 km (0.064 R)
• M2: 294,558 km (0.077 R)
• M3: 588,668 km (0.045 R)
• M4: 1,184,366 km (0.073 R)
• M5: 3,809,959 km (0.03 R)
• M6: 7,427,684 km (0.114 R)
• M7: 8,069,309 km (0.085 R)
• M8: 8,500,749 km (0.084 R)
• M9: 9,514,574 km (0.112 R)
• M10: 10,493,692 km (0.031 R)
• M11: 11,124,098 km (0.054 R)
• M12: 11,538,035 km (0.119 R)
• M13: 14,800,017 km (0.118 R)
• M14: 15,445,980 km (0.076 R)
• M15: 17,975,680 km (0.061 R)
• M16: 18,627,927 km (0.089 R)
• M17: 22,972,099 km (0.09 R)
• M18: 24,624,258 km (0.055 R)
• M19: 26,562,598 km (0.119 R)
• M20: 26,983,118 km (0.093 R)
• M21: 28,271,754 km (0.105 R)
• M22: 29,488,583 km (0.075 R)
• M23: 29,939,620 km (0.104 R)
• M24: 31,907,730 km (0.074 R)
• M25: 33,469,681 km (0.107 R)
• M26: 34,705,509 km (0.109 R)
• M27: 37,398,869 km (0.113 R)
• M28: 38,193,234 km (0.098 R)
• M29: 39,678,741 km (0.105 R)
• M30: 45,855,637 km (0.114 R)
• M31: 51,658,538 km (0.091 R)
• M32: 57,230,610 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.6

Radius: 6

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.8 AU - 10.82 AU

Year: 20156 Days

Day: 22.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,897,097 km

• M1: 132,394 km (0.11 R)
• M2: 466,297 km (0.094 R)
• M3: 660,325 km (0.109 R)
• M4: 1,573,321 km (0.062 R)
• M5: 2,042,759 km (0.1 R)
• M6: 2,601,208 km (0.089 R)
• M7: 3,065,560 km (0.034 R)
• M8: 3,557,737 km (0.09 R)
• M9: 4,666,855 km (0.067 R)
• M10: 5,083,186 km (0.047 R)
• M11: 5,735,732 km (0.084 R)
• M12: 6,442,582 km (0.12 R)
• M13: 7,040,375 km (0.113 R)
• M14: 7,501,884 km (0.116 R)
• M15: 12,242,043 km (0.101 R)
• M16: 14,380,993 km (0.109 R)
• M17: 16,830,658 km (0.079 R)
• M18: 18,192,747 km (0.099 R)
• M19: 25,141,568 km (0.108 R)
• M20: 26,118,143 km (0.106 R)
• M21: 26,316,509 km (0.063 R)
• M22: 27,835,825 km (0.118 R)
• M23: 30,827,035 km (0.113 R)
• M24: 31,159,591 km (0.093 R)
• M25: 33,090,002 km (0.12 R)
• M26: 34,858,398 km (0.117 R)
• M27: 36,317,725 km (0.092 R)
• M28: 46,082,128 km (0.06 R)
• M29: 51,639,539 km (0.111 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: 450 - 13,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit