🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.7

Radius: 14.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.83 AU - 1.29 AU

Year: 716 Days

Day: 10.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,692,491 km

• M1: 180,265 km (0.088 R)
• M2: 675,734 km (0.111 R)
• M3: 1,211,593 km (0.096 R)
• M4: 1,679,236 km (0.12 R)
• M5: 2,686,778 km (0.061 R)
• M6: 3,326,907 km (0.103 R)
• M7: 4,042,284 km (0.084 R)
• M8: 4,511,573 km (0.051 R)
• M9: 5,075,856 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.6

Radius: 9.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.17 AU - 1.89 AU

Year: 1241 Days

Day: 13.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,692,491 km

• M1: 176,974 km (0.062 R)
• M2: 509,680 km (0.119 R)
• M3: 1,189,153 km (0.112 R)
• M4: 2,131,321 km (0.118 R)
• M5: 3,014,098 km (0.101 R)
• M6: 4,203,401 km (0.104 R)
• M7: 4,778,455 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 10.1

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.55 AU - 2.51 AU

Year: 1897 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,692,491 km

• M1: 125,662 km (0.12 R)
• M2: 492,327 km (0.105 R)
• M3: 921,074 km (0.057 R)
• M4: 1,278,763 km (0.11 R)
• M5: 1,699,881 km (0.1 R)
• M6: 2,342,254 km (0.09 R)
• M7: 2,762,624 km (0.053 R)
• M8: 4,093,447 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.6

Radius: 11.2

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.06 AU - 2.32 AU

Year: 2126 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 115.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,692,491 km

• M1: 139,276 km (0.069 R)
• M2: 495,767 km (0.057 R)
• M3: 889,210 km (0.099 R)
• M4: 1,305,989 km (0.038 R)
• M5: 1,762,861 km (0.108 R)
• M6: 2,114,267 km (0.059 R)
• M7: 3,291,004 km (0.099 R)
• M8: 4,922,518 km (0.067 R)
• M9: 6,478,485 km (0.106 R)
• M10: 9,126,218 km (0.103 R)
• M11: 9,601,790 km (0.117 R)
• M12: 10,534,084 km (0.079 R)
• M13: 11,272,200 km (0.086 R)
• M14: 13,128,410 km (0.093 R)
• M15: 13,817,458 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11

Radius: 11.4

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.42 AU - 2.76 AU

Year: 2734 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,692,491 km

• M1: 143,165 km (0.112 R)
• M2: 682,765 km (0.102 R)
• M3: 1,282,652 km (0.088 R)
• M4: 1,706,014 km (0.083 R)
• M5: 2,872,578 km (0.094 R)
• M6: 3,292,051 km (0.031 R)
• M7: 4,774,865 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 11.6

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.54 AU - 3.64 AU

Year: 3563 Days

Day: 7.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,692,491 km

• M1: 144,512 km (0.112 R)
• M2: 596,447 km (0.084 R)
• M3: 1,234,631 km (0.088 R)
• M4: 1,606,831 km (0.065 R)
• M5: 2,096,465 km (0.083 R)
• M6: 3,117,769 km (0.068 R)
• M7: 3,517,495 km (0.109 R)
• M8: 3,951,628 km (0.093 R)
• M9: 4,352,101 km (0.069 R)
• M10: 5,973,293 km (0.08 R)
• M11: 8,246,433 km (0.111 R)
• M12: 11,890,039 km (0.07 R)
• M13: 13,910,508 km (0.106 R)
• M14: 15,541,872 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.9

Radius: 12.1

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.47 AU - 5.57 AU

Year: 7378 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,692,491 km

• M1: 151,842 km (0.116 R)
• M2: 603,179 km (0.084 R)
• M3: 1,060,350 km (0.108 R)
• M4: 1,548,936 km (0.115 R)
• M5: 1,947,615 km (0.104 R)
• M6: 2,610,184 km (0.06 R)
• M7: 3,032,050 km (0.059 R)
• M8: 3,925,598 km (0.065 R)
• M9: 4,315,151 km (0.113 R)
• M10: 6,446,920 km (0.099 R)
• M11: 8,433,281 km (0.111 R)
• M12: 11,568,852 km (0.054 R)
• M13: 14,527,898 km (0.103 R)
• M14: 20,707,188 km (0.06 R)
• M15: 21,260,849 km (0.115 R)
• M16: 24,484,534 km (0.066 R)
• M17: 25,654,240 km (0.114 R)
• M18: 26,212,689 km (0.111 R)
• M19: 26,616,603 km (0.088 R)
• M20: 27,686,078 km (0.094 R)
• M21: 28,189,176 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.4

Radius: 3.9

Gravity: 51.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.9 AU - 5.94 AU

Year: 9449 Days

Day: 21.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,692,491 km

• M1: 48,769 km (0.109 R)
• M2: 186,399 km (0.073 R)
• M3: 384,018 km (0.105 R)
• M4: 513,869 km (0.037 R)
• M5: 847,023 km (0.084 R)
• M6: 975,528 km (0.084 R)
• M7: 1,361,789 km (0.098 R)
• M8: 1,747,902 km (0.087 R)
• M9: 2,276,730 km (0.086 R)
• M10: 2,448,468 km (0.079 R)
• M11: 2,993,902 km (0.073 R)
• M12: 3,271,406 km (0.119 R)
• M13: 3,590,947 km (0.086 R)
• M14: 6,550,143 km (0.117 R)
• M15: 6,937,751 km (0.094 R)
• M16: 7,505,924 km (0.106 R)
• M17: 8,192,578 km (0.074 R)
• M18: 8,415,479 km (0.112 R)
• M19: 8,734,272 km (0.087 R)
• M20: 9,493,331 km (0.071 R)
• M21: 9,989,547 km (0.061 R)
• M22: 10,295,325 km (0.075 R)
• M23: 12,554,852 km (0.063 R)
• M24: 13,031,171 km (0.078 R)
• M25: 19,484,225 km (0.051 R)
• M26: 22,292,028 km (0.103 R)
• M27: 29,311,309 km (0.075 R)
• M28: 29,623,370 km (0.114 R)
• M29: 29,832,658 km (0.072 R)
• M30: 32,643,452 km (0.063 R)
• M31: 36,219,290 km (0.101 R)
• M32: 37,182,700 km (0.079 R)
• M33: 37,548,318 km (0.105 R)
• M34: 38,286,882 km (0.108 R)
• M35: 39,035,021 km (0.093 R)
• M36: 39,792,884 km (0.073 R)
• M37: 43,056,062 km (0.116 R)
• M38: 44,136,907 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.6

Radius: 5.1

Gravity: 37.74 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.57 AU - 7.99 AU

Year: 11581 Days

Day: 16.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,692,491 km

• M1: 63,429 km (0.1 R)
• M2: 688,749 km (0.06 R)
• M3: 896,690 km (0.107 R)
• M4: 1,085,781 km (0.111 R)
• M5: 1,288,038 km (0.099 R)
• M6: 1,591,721 km (0.031 R)
• M7: 2,088,237 km (0.112 R)
• M8: 2,321,609 km (0.079 R)
• M9: 3,152,925 km (0.109 R)
• M10: 3,989,027 km (0.104 R)
• M11: 4,166,450 km (0.067 R)
• M12: 4,411,342 km (0.118 R)
• M13: 5,169,354 km (0.081 R)
• M14: 5,524,649 km (0.076 R)
• M15: 5,933,949 km (0.077 R)
• M16: 6,204,871 km (0.097 R)
• M17: 8,242,543 km (0.119 R)
• M18: 10,518,376 km (0.096 R)
• M19: 11,030,449 km (0.064 R)
• M20: 11,440,348 km (0.08 R)
• M21: 13,051,517 km (0.087 R)
• M22: 14,114,858 km (0.042 R)
• M23: 15,306,555 km (0.06 R)
• M24: 19,620,359 km (0.091 R)
• M25: 21,915,639 km (0.078 R)
• M26: 23,509,305 km (0.09 R)
• M27: 26,403,725 km (0.073 R)
• M28: 27,136,306 km (0.076 R)
• M29: 30,316,158 km (0.112 R)
• M30: 34,971,943 km (0.095 R)
• M31: 38,727,598 km (0.078 R)
• M32: 39,672,757 km (0.07 R)
• M33: 43,898,149 km (0.104 R)
• M34: 46,572,061 km (0.108 R)
• M35: 47,948,960 km (0.078 R)

Asteroid Belt

Center: 8.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784

Radius: 4.7

Gravity: 35.49 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 10.05 AU - 11.21 AU

Year: 22736 Days

Day: 16.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 145 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 86,692,491 km

• M1: 61,634 km (0.061 R)
• M2: 589,416 km (0.083 R)
• M3: 1,032,225 km (0.104 R)
• M4: 1,395,898 km (0.073 R)
• M5: 1,801,906 km (0.079 R)
• M6: 2,001,320 km (0.097 R)
• M7: 2,193,254 km (0.076 R)
• M8: 2,715,052 km (0.056 R)
• M9: 2,897,262 km (0.077 R)
• M10: 3,060,024 km (0.061 R)
• M11: 3,523,927 km (0.06 R)
• M12: 6,615,517 km (0.1 R)
• M13: 7,338,075 km (0.087 R)
• M14: 7,692,771 km (0.086 R)
• M15: 8,005,730 km (0.106 R)
• M16: 9,110,660 km (0.103 R)
• M17: 9,401,927 km (0.108 R)
• M18: 10,003,310 km (0.058 R)
• M19: 12,883,369 km (0.112 R)
• M20: 23,089,983 km (0.084 R)
• M21: 24,181,299 km (0.111 R)
• M22: 25,650,799 km (0.036 R)
• M23: 28,395,022 km (0.102 R)
• M24: 28,891,388 km (0.09 R)
• M25: 33,346,712 km (0.058 R)
• M26: 34,317,602 km (0.1 R)
• M27: 34,598,397 km (0.076 R)
• M28: 35,450,058 km (0.101 R)
• M29: 44,748,613 km (0.116 R)
• M30: 46,441,163 km (0.096 R)
• M31: 46,612,752 km (0.104 R)
• M32: 48,176,049 km (0.104 R)
• M33: 51,406,765 km (0.094 R)
• M34: 52,701,235 km (0.048 R)
• M35: 56,519,123 km (0.032 R)
• M36: 61,545,462 km (0.104 R)
• M37: 65,774,743 km (0.117 R)
• M38: 75,515,360 km (0.099 R)
• M39: 77,186,817 km (0.101 R)
• M40: 80,851,216 km (0.106 R)
• M41: 83,357,430 km (0.093 R)
• M42: 86,173,759 km (0.088 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: 534 - 19,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit