🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 13.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.61 AU - 0.81 AU

Year: 392 Days

Day: 13.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,167,725 km

• M1: 164,258 km (0.05 R)
• M2: 748,588 km (0.116 R)
• M3: 1,162,076 km (0.067 R)
• M4: 1,701,825 km (0.069 R)
• M5: 2,136,706 km (0.108 R)
• M6: 3,904,355 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.9

Radius: 9.1

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.79 AU - 0.79 AU

Year: 461 Days

Day: 14.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,167,725 km

• M1: 113,246 km (0.11 R)
• M2: 576,550 km (0.1 R)
• M3: 941,868 km (0.077 R)
• M4: 1,280,857 km (0.116 R)
• M5: 1,591,572 km (0.07 R)
• M6: 1,891,665 km (0.108 R)
• M7: 2,646,686 km (0.069 R)
• M8: 2,956,353 km (0.076 R)
• M9: 3,267,965 km (0.088 R)
• M10: 3,566,114 km (0.11 R)
• M11: 4,060,385 km (0.116 R)
• M12: 4,474,472 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.1

Radius: 13.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.13 AU - 1.39 AU

Year: 928 Days

Day: 10.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,167,725 km

• M1: 162,912 km (0.045 R)
• M2: 728,841 km (0.046 R)
• M3: 1,252,882 km (0.091 R)
• M4: 1,869,375 km (0.119 R)
• M5: 2,683,038 km (0.038 R)
• M6: 3,132,579 km (0.043 R)
• M7: 3,721,247 km (0.112 R)
• M8: 4,316,647 km (0.107 R)
• M9: 4,975,027 km (0.117 R)
• M10: 5,942,476 km (0.113 R)
• M11: 7,124,299 km (0.055 R)
• M12: 7,624,255 km (0.11 R)
• M13: 8,882,523 km (0.087 R)
• M14: 9,462,365 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.8

Radius: 12.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.33 AU - 3.05 AU

Year: 2894 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,167,725 km

• M1: 160,668 km (0.111 R)
• M2: 586,424 km (0.086 R)
• M3: 1,044,492 km (0.108 R)
• M4: 2,074,623 km (0.114 R)
• M5: 3,336,481 km (0.107 R)
• M6: 5,601,094 km (0.097 R)
• M7: 6,560,465 km (0.037 R)
• M8: 7,029,155 km (0.045 R)
• M9: 7,599,871 km (0.115 R)
• M10: 8,863,823 km (0.089 R)
• M11: 10,694,004 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.2

Radius: 13.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.23 AU - 4.51 AU

Year: 4994 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,167,725 km

• M1: 172,786 km (0.097 R)
• M2: 874,699 km (0.062 R)
• M3: 1,611,319 km (0.085 R)
• M4: 4,164,954 km (0.115 R)
• M5: 5,825,939 km (0.113 R)
• M6: 7,430,077 km (0.077 R)
• M7: 11,392,476 km (0.1 R)

Asteroid Belt

Center: 4.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.4

Radius: 10.2

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.56 AU - 4.9 AU

Year: 6748 Days

Day: 5.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,167,725 km

• M1: 127,009 km (0.091 R)
• M2: 732,730 km (0.061 R)
• M3: 1,093,860 km (0.098 R)
• M4: 1,486,404 km (0.118 R)
• M5: 1,809,386 km (0.106 R)
• M6: 2,545,408 km (0.105 R)
• M7: 3,996,507 km (0.043 R)
• M8: 4,743,599 km (0.066 R)
• M9: 5,061,644 km (0.107 R)
• M10: 5,676,491 km (0.063 R)
• M11: 8,145,454 km (0.088 R)
• M12: 8,645,560 km (0.093 R)
• M13: 9,986,107 km (0.041 R)
• M14: 12,962,356 km (0.114 R)
• M15: 14,896,358 km (0.11 R)
• M16: 16,418,666 km (0.098 R)
• M17: 17,764,448 km (0.09 R)
• M18: 21,370,355 km (0.107 R)
• M19: 24,226,478 km (0.1 R)
• M20: 25,000,198 km (0.083 R)
• M21: 27,605,295 km (0.111 R)
• M22: 28,166,137 km (0.115 R)
• M23: 29,021,389 km (0.112 R)
• M24: 30,584,836 km (0.083 R)
• M25: 31,286,001 km (0.12 R)
• M26: 34,521,354 km (0.12 R)
• M27: 38,550,773 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.3

Radius: 10.3

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.39 AU - 5.13 AU

Year: 6813 Days

Day: 7.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,167,725 km

• M1: 128,056 km (0.1 R)
• M2: 657,333 km (0.081 R)
• M3: 1,026,989 km (0.105 R)
• M4: 1,362,388 km (0.086 R)
• M5: 1,983,967 km (0.085 R)
• M6: 2,351,978 km (0.106 R)
• M7: 2,805,558 km (0.11 R)
• M8: 3,139,910 km (0.102 R)
• M9: 4,989,987 km (0.077 R)
• M10: 5,645,076 km (0.097 R)
• M11: 11,146,537 km (0.044 R)
• M12: 12,880,377 km (0.095 R)
• M13: 14,051,429 km (0.063 R)
• M14: 18,638,249 km (0.116 R)
• M15: 20,211,121 km (0.077 R)
• M16: 21,547,778 km (0.085 R)
• M17: 26,830,677 km (0.078 R)
• M18: 31,758,132 km (0.108 R)
• M19: 33,454,123 km (0.103 R)
• M20: 34,324,334 km (0.052 R)
• M21: 41,712,973 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.5

Radius: 4

Gravity: 56.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.3 AU - 11.18 AU

Year: 18425 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,167,725 km

• M1: 49,966 km (0.074 R)
• M2: 179,817 km (0.115 R)
• M3: 306,376 km (0.109 R)
• M4: 459,565 km (0.092 R)
• M5: 618,886 km (0.08 R)
• M6: 3,216,205 km (0.054 R)
• M7: 3,357,126 km (0.067 R)
• M8: 5,347,376 km (0.061 R)
• M9: 9,477,324 km (0.083 R)
• M10: 10,799,321 km (0.089 R)
• M11: 13,076,649 km (0.063 R)
• M12: 15,098,614 km (0.062 R)
• M13: 16,640,370 km (0.058 R)
• M14: 17,405,862 km (0.061 R)
• M15: 19,937,656 km (0.045 R)
• M16: 20,606,957 km (0.107 R)
• M17: 24,503,234 km (0.101 R)
• M18: 25,941,318 km (0.05 R)
• M19: 27,201,381 km (0.115 R)
• M20: 32,127,040 km (0.102 R)
• M21: 34,661,827 km (0.096 R)
• M22: 35,073,819 km (0.092 R)
• M23: 36,897,118 km (0.114 R)
• M24: 37,904,660 km (0.065 R)
• M25: 43,377,099 km (0.117 R)
• M26: 47,472,341 km (0.092 R)
• M27: 50,049,015 km (0.071 R)
• M28: 56,042,953 km (0.065 R)
• M29: 56,420,837 km (0.036 R)
• M30: 60,293,776 km (0.1 R)
• M31: 64,133,804 km (0.087 R)
• M32: 70,523,428 km (0.101 R)
• M33: 74,782,180 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.2

Radius: 5.3

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.01 AU - 9.65 AU

Year: 18695 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 81.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,167,725 km

• M1: 68,665 km (0.119 R)
• M2: 394,639 km (0.112 R)
• M3: 609,911 km (0.102 R)
• M4: 893,698 km (0.119 R)
• M5: 1,192,594 km (0.063 R)
• M6: 1,973,794 km (0.101 R)
• M7: 2,244,267 km (0.109 R)
• M8: 4,792,368 km (0.107 R)
• M9: 5,409,459 km (0.112 R)
• M10: 6,078,012 km (0.055 R)
• M11: 8,114,338 km (0.112 R)
• M12: 8,370,300 km (0.055 R)
• M13: 8,988,438 km (0.119 R)
• M14: 12,095,736 km (0.12 R)
• M15: 17,777,014 km (0.074 R)
• M16: 18,427,466 km (0.104 R)
• M17: 27,419,943 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.7

Radius: 5.1

Gravity: 23.67 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.31 AU - 10.67 AU

Year: 20714 Days

Day: 18.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,167,725 km

• M1: 70,760 km (0.084 R)
• M2: 438,920 km (0.107 R)
• M3: 701,016 km (0.054 R)
• M4: 1,338,303 km (0.09 R)
• M5: 1,952,551 km (0.086 R)
• M6: 2,989,414 km (0.087 R)
• M7: 3,423,547 km (0.067 R)
• M8: 4,692,137 km (0.12 R)
• M9: 5,239,665 km (0.073 R)
• M10: 8,631,648 km (0.035 R)
• M11: 9,172,593 km (0.087 R)
• M12: 9,507,842 km (0.119 R)
• M13: 9,851,319 km (0.114 R)
• M14: 10,262,414 km (0.103 R)
• M15: 11,824,066 km (0.094 R)
• M16: 12,558,891 km (0.092 R)
• M17: 14,119,197 km (0.067 R)
• M18: 15,409,927 km (0.046 R)
• M19: 16,205,040 km (0.119 R)
• M20: 18,311,527 km (0.105 R)
• M21: 21,753,924 km (0.106 R)
• M22: 32,385,994 km (0.112 R)
• M23: 37,374,784 km (0.067 R)
• M24: 41,929,740 km (0.097 R)
• M25: 45,700,205 km (0.096 R)
• M26: 47,170,453 km (0.076 R)
• M27: 50,205,195 km (0.102 R)
• M28: 53,546,912 km (0.085 R)
• M29: 56,659,894 km (0.026 R)
• M30: 59,120,181 km (0.074 R)
• M31: 62,842,924 km (0.089 R)
• M32: 66,927,095 km (0.076 R)
• M33: 72,276,566 km (0.057 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: 202 - 11,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit