🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.8

Radius: 12.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.51 AU - 0.61 AU

Year: 289 Days

Day: 8.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,729,981 km

• M1: 156,629 km (0.095 R)
• M2: 574,157 km (0.102 R)
• M3: 1,033,721 km (0.062 R)
• M4: 1,565,841 km (0.08 R)
• M5: 2,394,314 km (0.074 R)
• M6: 2,794,488 km (0.062 R)
• M7: 3,453,018 km (0.104 R)
• M8: 4,262,941 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.5

Radius: 14.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.53 AU - 0.73 AU

Year: 345 Days

Day: 12.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,729,981 km

• M1: 176,525 km (0.074 R)
• M2: 697,276 km (0.094 R)
• M3: 1,148,313 km (0.083 R)
• M4: 1,698,684 km (0.1 R)
• M5: 2,232,299 km (0.118 R)
• M6: 2,705,627 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 14.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.97 AU - 1.19 AU

Year: 775 Days

Day: 13.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,729,981 km

• M1: 183,856 km (0.087 R)
• M2: 644,617 km (0.111 R)
• M3: 1,178,682 km (0.108 R)
• M4: 2,439,193 km (0.107 R)
• M5: 3,409,485 km (0.05 R)
• M6: 3,984,539 km (0.118 R)
• M7: 5,033,220 km (0.091 R)
• M8: 5,722,418 km (0.098 R)
• M9: 6,495,839 km (0.084 R)
• M10: 7,173,218 km (0.058 R)
• M11: 7,997,652 km (0.051 R)
• M12: 8,938,772 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.2

Radius: 9.1

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.06 AU - 1.58 AU

Year: 1047 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,729,981 km

• M1: 113,246 km (0.112 R)
• M2: 401,521 km (0.091 R)
• M3: 743,352 km (0.077 R)
• M4: 1,069,924 km (0.103 R)
• M5: 1,468,004 km (0.084 R)
• M6: 3,289,807 km (0.12 R)
• M7: 3,953,872 km (0.077 R)
• M8: 4,629,157 km (0.044 R)
• M9: 5,114,003 km (0.049 R)
• M10: 5,589,724 km (0.098 R)
• M11: 6,231,200 km (0.107 R)
• M12: 6,749,856 km (0.109 R)
• M13: 7,044,863 km (0.057 R)
• M14: 9,387,566 km (0.12 R)
• M15: 11,532,649 km (0.065 R)
• M16: 11,919,510 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 13

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.93 AU - 2.99 AU

Year: 3515 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,729,981 km

• M1: 185,801 km (0.063 R)
• M2: 633,397 km (0.07 R)
• M3: 1,282,951 km (0.075 R)
• M4: 2,185,924 km (0.118 R)
• M5: 2,886,042 km (0.089 R)
• M6: 3,457,805 km (0.081 R)
• M7: 4,503,046 km (0.101 R)
• M8: 5,149,608 km (0.062 R)
• M9: 6,870,731 km (0.083 R)
• M10: 10,533,784 km (0.117 R)
• M11: 11,896,172 km (0.097 R)
• M12: 13,957,182 km (0.064 R)
• M13: 15,598,570 km (0.104 R)
• M14: 18,535,326 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.8

Radius: 9.3

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.68 AU - 3.82 AU

Year: 4044 Days

Day: 10.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,729,981 km

• M1: 117,434 km (0.114 R)
• M2: 411,843 km (0.083 R)
• M3: 855,101 km (0.106 R)
• M4: 1,945,520 km (0.097 R)
• M5: 2,424,383 km (0.066 R)
• M6: 3,383,605 km (0.042 R)
• M7: 4,483,897 km (0.066 R)
• M8: 5,065,683 km (0.117 R)
• M9: 5,480,817 km (0.081 R)
• M10: 8,431,336 km (0.057 R)
• M11: 9,902,332 km (0.103 R)
• M12: 13,247,939 km (0.095 R)
• M13: 14,392,961 km (0.071 R)
• M14: 16,149,090 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.1

Radius: 14.3

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.19 AU - 4.51 AU

Year: 6262 Days

Day: 13.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,729,981 km

• M1: 177,872 km (0.072 R)
• M2: 647,160 km (0.076 R)
• M3: 1,256,024 km (0.039 R)
• M4: 1,737,878 km (0.049 R)
• M5: 2,434,705 km (0.111 R)
• M6: 3,369,842 km (0.054 R)
• M7: 4,819,445 km (0.111 R)
• M8: 5,977,333 km (0.09 R)
• M9: 6,531,593 km (0.087 R)
• M10: 8,332,751 km (0.096 R)
• M11: 10,280,964 km (0.096 R)
• M12: 11,036,284 km (0.118 R)
• M13: 12,800,043 km (0.076 R)
• M14: 13,575,708 km (0.098 R)
• M15: 14,279,715 km (0.069 R)
• M16: 15,870,838 km (0.104 R)
• M17: 16,539,241 km (0.056 R)
• M18: 17,577,151 km (0.06 R)
• M19: 20,820,134 km (0.09 R)
• M20: 21,554,211 km (0.115 R)
• M21: 22,374,456 km (0.12 R)
• M22: 23,144,586 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.1

Radius: 9.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.6 AU - 4.84 AU

Year: 7078 Days

Day: 5.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,729,981 km

• M1: 128,505 km (0.054 R)
• M2: 1,213,837 km (0.049 R)
• M3: 2,900,104 km (0.095 R)
• M4: 5,924,824 km (0.082 R)
• M5: 6,621,501 km (0.086 R)
• M6: 7,542,276 km (0.115 R)
• M7: 8,621,176 km (0.045 R)
• M8: 9,636,796 km (0.109 R)
• M9: 9,964,864 km (0.088 R)
• M10: 10,905,685 km (0.108 R)
• M11: 13,212,484 km (0.09 R)
• M12: 16,284,177 km (0.074 R)
• M13: 17,770,581 km (0.078 R)
• M14: 23,574,829 km (0.087 R)
• M15: 23,946,730 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.4

Radius: 5

Gravity: 35.02 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.22 AU - 10.14 AU

Year: 16149 Days

Day: 19 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,729,981 km

• M1: 62,233 km (0.092 R)
• M2: 294,109 km (0.091 R)
• M3: 545,135 km (0.07 R)
• M4: 1,026,541 km (0.056 R)
• M5: 2,234,843 km (0.094 R)
• M6: 2,775,788 km (0.07 R)
• M7: 5,553,671 km (0.1 R)
• M8: 5,789,587 km (0.085 R)
• M9: 6,032,085 km (0.074 R)
• M10: 6,239,278 km (0.107 R)
• M11: 6,756,289 km (0.109 R)
• M12: 8,122,716 km (0.079 R)
• M13: 10,532,288 km (0.118 R)
• M14: 12,159,764 km (0.037 R)
• M15: 12,760,100 km (0.105 R)
• M16: 13,450,045 km (0.083 R)
• M17: 15,982,139 km (0.068 R)
• M18: 18,034,771 km (0.12 R)
• M19: 18,292,379 km (0.112 R)
• M20: 18,902,888 km (0.097 R)
• M21: 20,441,951 km (0.116 R)
• M22: 21,099,284 km (0.118 R)
• M23: 24,598,827 km (0.116 R)
• M24: 25,557,599 km (0.092 R)
• M25: 26,874,061 km (0.086 R)
• M26: 27,435,801 km (0.082 R)
• M27: 28,582,618 km (0.11 R)
• M28: 30,120,634 km (0.087 R)
• M29: 30,971,397 km (0.078 R)
• M30: 38,079,091 km (0.089 R)
• M31: 40,523,370 km (0.111 R)
• M32: 59,478,468 km (0.12 R)
• M33: 60,431,705 km (0.084 R)
• M34: 64,346,383 km (0.084 R)
• M35: 65,958,449 km (0.081 R)
• M36: 69,473,102 km (0.117 R)
• M37: 70,955,916 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.5

Radius: 6.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.73 AU - 10.33 AU

Year: 20307 Days

Day: 17 Hours

Environment

Temp: -241 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,729,981 km

• M1: 82,877 km (0.098 R)
• M2: 371,601 km (0.058 R)
• M3: 1,255,725 km (0.071 R)
• M4: 1,755,082 km (0.086 R)
• M5: 2,456,846 km (0.112 R)
• M6: 3,554,146 km (0.072 R)
• M7: 4,168,694 km (0.111 R)
• M8: 4,697,373 km (0.115 R)
• M9: 6,629,280 km (0.12 R)
• M10: 7,390,135 km (0.05 R)
• M11: 7,770,263 km (0.108 R)
• M12: 12,555,600 km (0.057 R)
• M13: 13,158,030 km (0.036 R)
• M14: 14,880,949 km (0.099 R)
• M15: 15,419,053 km (0.079 R)
• M16: 20,282,330 km (0.1 R)
• M17: 20,860,226 km (0.114 R)
• M18: 21,962,463 km (0.1 R)
• M19: 28,675,817 km (0.086 R)
• M20: 30,464,559 km (0.108 R)
• M21: 34,379,236 km (0.119 R)
• M22: 40,145,636 km (0.114 R)
• M23: 41,980,304 km (0.108 R)
• M24: 44,558,773 km (0.042 R)
• M25: 46,098,733 km (0.119 R)
• M26: 48,109,628 km (0.112 R)
• M27: 49,432,672 km (0.079 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: 362 - 20,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit