🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.9

Radius: 11.6

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.61 AU - 0.75 AU

Year: 380 Days

Day: 14.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 158.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,799,307 km

• M1: 144,661 km (0.055 R)
• M2: 791,074 km (0.07 R)
• M3: 1,212,341 km (0.046 R)
• M4: 1,800,111 km (0.116 R)
• M5: 2,433,658 km (0.095 R)
• M6: 3,167,436 km (0.11 R)
• M7: 3,706,586 km (0.119 R)
• M8: 4,147,152 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.5

Radius: 11.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.64 AU - 0.94 AU

Year: 476 Days

Day: 14.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,799,307 km

• M1: 140,622 km (0.117 R)
• M2: 526,734 km (0.096 R)
• M3: 1,036,713 km (0.039 R)
• M4: 1,493,436 km (0.066 R)
• M5: 1,876,107 km (0.071 R)
• M6: 2,290,343 km (0.116 R)
• M7: 3,133,028 km (0.057 R)
• M8: 3,510,015 km (0.111 R)
• M9: 4,081,329 km (0.106 R)
• M10: 4,657,431 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.9

Radius: 14.3

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.86 AU - 1 AU

Year: 608 Days

Day: 7.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,799,307 km

• M1: 178,321 km (0.051 R)
• M2: 820,395 km (0.114 R)
• M3: 1,315,863 km (0.112 R)
• M4: 1,985,014 km (0.106 R)
• M5: 2,567,997 km (0.03 R)
• M6: 3,902,410 km (0.093 R)
• M7: 5,593,165 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.9

Radius: 9.4

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.67 AU - 2.59 AU

Year: 2108 Days

Day: 13.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,799,307 km

• M1: 119,230 km (0.096 R)
• M2: 418,126 km (0.103 R)
• M3: 743,053 km (0.046 R)
• M4: 1,251,536 km (0.114 R)
• M5: 2,856,571 km (0.095 R)
• M6: 3,413,823 km (0.104 R)
• M7: 4,365,266 km (0.082 R)
• M8: 4,843,231 km (0.118 R)
• M9: 5,441,024 km (0.062 R)
• M10: 5,926,768 km (0.117 R)
• M11: 6,298,070 km (0.1 R)
• M12: 8,450,485 km (0.074 R)
• M13: 9,597,751 km (0.052 R)
• M14: 10,045,647 km (0.049 R)
• M15: 10,407,225 km (0.117 R)
• M16: 12,497,257 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.3

Radius: 10.7

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.79 AU - 2.85 AU

Year: 3212 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,799,307 km

• M1: 134,189 km (0.069 R)
• M2: 1,067,680 km (0.083 R)
• M3: 1,404,874 km (0.102 R)
• M4: 2,230,953 km (0.053 R)
• M5: 3,056,584 km (0.119 R)
• M6: 3,530,360 km (0.036 R)
• M7: 4,163,309 km (0.07 R)
• M8: 4,945,107 km (0.115 R)
• M9: 6,283,111 km (0.108 R)
• M10: 6,956,899 km (0.084 R)
• M11: 7,917,767 km (0.084 R)
• M12: 10,265,855 km (0.081 R)
• M13: 11,688,979 km (0.079 R)
• M14: 12,996,016 km (0.04 R)
• M15: 14,294,675 km (0.097 R)
• M16: 15,677,857 km (0.076 R)
• M17: 16,402,060 km (0.101 R)
• M18: 22,110,416 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.8

Radius: 8.3

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.41 AU - 3.39 AU

Year: 3350 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,799,307 km

• M1: 103,971 km (0.083 R)
• M2: 389,104 km (0.091 R)
• M3: 968,945 km (0.071 R)
• M4: 1,360,144 km (0.098 R)
• M5: 1,758,523 km (0.032 R)
• M6: 2,317,869 km (0.101 R)
• M7: 2,873,027 km (0.106 R)
• M8: 3,146,941 km (0.11 R)
• M9: 3,457,207 km (0.111 R)
• M10: 3,828,210 km (0.114 R)
• M11: 5,352,761 km (0.113 R)
• M12: 6,698,245 km (0.059 R)
• M13: 8,742,500 km (0.11 R)
• M14: 11,895,873 km (0.113 R)
• M15: 13,018,904 km (0.07 R)
• M16: 16,214,016 km (0.075 R)
• M17: 16,646,952 km (0.074 R)
• M18: 18,223,265 km (0.114 R)
• M19: 18,632,415 km (0.034 R)
• M20: 20,770,767 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.6

Radius: 8.7

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.01 AU - 4.63 AU

Year: 6090 Days

Day: 8.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 150.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,799,307 km

• M1: 177,124 km (0.078 R)
• M2: 646,113 km (0.1 R)
• M3: 1,099,096 km (0.027 R)
• M4: 1,458,130 km (0.043 R)
• M5: 2,451,161 km (0.082 R)
• M6: 2,951,716 km (0.109 R)
• M7: 3,518,841 km (0.077 R)
• M8: 4,411,940 km (0.101 R)
• M9: 5,359,045 km (0.087 R)
• M10: 6,674,309 km (0.079 R)
• M11: 7,061,169 km (0.096 R)
• M12: 7,575,187 km (0.033 R)
• M13: 8,352,348 km (0.107 R)
• M14: 11,051,991 km (0.025 R)
• M15: 11,694,664 km (0.07 R)
• M16: 13,548,780 km (0.107 R)
• M17: 13,828,678 km (0.106 R)
• M18: 15,287,257 km (0.071 R)
• M19: 16,974,571 km (0.11 R)
• M20: 17,563,688 km (0.088 R)
• M21: 18,302,103 km (0.081 R)
• M22: 18,921,438 km (0.105 R)
• M23: 19,626,044 km (0.048 R)
• M24: 21,162,414 km (0.073 R)
• M25: 22,856,161 km (0.12 R)
• M26: 26,774,129 km (0.066 R)
• M27: 27,751,901 km (0.108 R)
• M28: 28,203,986 km (0.109 R)
• M29: 28,937,763 km (0.027 R)
• M30: 29,872,600 km (0.109 R)
• M31: 30,827,633 km (0.077 R)
• M32: 32,000,181 km (0.091 R)
• M33: 33,507,529 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.6

Radius: 8.3

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.32 AU - 5.44 AU

Year: 6217 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,799,307 km

• M1: 103,223 km (0.071 R)
• M2: 376,239 km (0.088 R)
• M3: 712,834 km (0.096 R)
• M4: 2,239,480 km (0.084 R)
• M5: 2,944,684 km (0.094 R)
• M6: 4,869,859 km (0.094 R)
• M7: 5,176,386 km (0.114 R)
• M8: 6,015,330 km (0.041 R)
• M9: 6,976,796 km (0.108 R)
• M10: 8,114,189 km (0.06 R)
• M11: 8,747,287 km (0.104 R)
• M12: 14,819,315 km (0.077 R)
• M13: 15,524,669 km (0.117 R)
• M14: 16,749,576 km (0.049 R)
• M15: 19,529,703 km (0.112 R)
• M16: 20,593,044 km (0.084 R)
• M17: 25,482,651 km (0.034 R)
• M18: 26,665,521 km (0.087 R)
• M19: 27,532,591 km (0.105 R)
• M20: 28,597,578 km (0.109 R)
• M21: 28,868,200 km (0.114 R)
• M22: 32,248,963 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.1

Radius: 4.1

Gravity: 35.58 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.01 AU - 7.99 AU

Year: 12561 Days

Day: 15.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 44,799,307 km

• M1: 51,761 km (0.118 R)
• M2: 308,172 km (0.087 R)
• M3: 446,101 km (0.091 R)
• M4: 825,032 km (0.078 R)
• M5: 955,482 km (0.103 R)
• M6: 1,258,716 km (0.109 R)
• M7: 1,764,507 km (0.104 R)
• M8: 2,394,763 km (0.034 R)
• M9: 2,860,910 km (0.088 R)
• M10: 3,410,383 km (0.103 R)
• M11: 3,750,419 km (0.103 R)
• M12: 3,914,827 km (0.051 R)
• M13: 4,228,683 km (0.095 R)
• M14: 5,271,380 km (0.113 R)
• M15: 7,160,951 km (0.097 R)
• M16: 9,815,415 km (0.116 R)
• M17: 10,609,631 km (0.103 R)
• M18: 11,050,346 km (0.11 R)
• M19: 12,445,496 km (0.104 R)
• M20: 16,805,526 km (0.098 R)
• M21: 17,784,943 km (0.107 R)
• M22: 18,563,749 km (0.107 R)
• M23: 19,041,864 km (0.059 R)
• M24: 20,950,583 km (0.072 R)
• M25: 21,295,107 km (0.118 R)
• M26: 21,906,963 km (0.097 R)
• M27: 23,441,837 km (0.084 R)
• M28: 25,630,304 km (0.037 R)
• M29: 28,790,409 km (0.105 R)
• M30: 36,116,217 km (0.098 R)
• M31: 36,860,616 km (0.093 R)
• M32: 38,766,343 km (0.115 R)
• M33: 39,025,297 km (0.12 R)
• M34: 42,911,102 km (0.114 R)
• M35: 45,018,637 km (0.041 R)
• M36: 47,489,395 km (0.056 R)
• M37: 48,382,495 km (0.08 R)
• M38: 50,355,990 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.7

Radius: 7.1

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.37 AU - 12.39 AU

Year: 22682 Days

Day: 21.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,799,307 km

• M1: 490,681 km (0.062 R)
• M2: 1,201,420 km (0.074 R)
• M3: 1,940,284 km (0.071 R)
• M4: 2,389,976 km (0.055 R)
• M5: 3,923,055 km (0.064 R)
• M6: 4,355,692 km (0.074 R)
• M7: 5,063,888 km (0.057 R)
• M8: 9,271,029 km (0.064 R)
• M9: 10,744,119 km (0.102 R)
• M10: 15,755,199 km (0.117 R)
• M11: 19,948,726 km (0.114 R)
• M12: 22,638,646 km (0.116 R)
• M13: 24,203,290 km (0.087 R)
• M14: 28,230,465 km (0.108 R)
• M15: 37,700,608 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 15,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit