🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556

Radius: 13.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.47 AU - 0.61 AU

Year: 269 Days

Day: 10.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,699,784 km

• M1: 164,408 km (0.079 R)
• M2: 614,548 km (0.117 R)
• M3: 1,051,374 km (0.116 R)
• M4: 1,656,348 km (0.086 R)
• M5: 3,722,893 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.2

Radius: 9.1

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.52 AU - 0.6 AU

Year: 284 Days

Day: 5.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,699,784 km

• M1: 114,592 km (0.107 R)
• M2: 407,355 km (0.092 R)
• M3: 758,461 km (0.101 R)
• M4: 1,314,965 km (0.037 R)
• M5: 1,772,884 km (0.111 R)
• M6: 2,165,130 km (0.11 R)
• M7: 2,671,519 km (0.092 R)
• M8: 2,989,265 km (0.082 R)
• M9: 3,908,992 km (0.096 R)
• M10: 4,803,288 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.9

Radius: 13.3

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.13 AU - 1.33 AU

Year: 925 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,699,784 km

• M1: 165,455 km (0.116 R)
• M2: 726,447 km (0.089 R)
• M3: 1,181,075 km (0.051 R)
• M4: 1,640,640 km (0.067 R)
• M5: 2,108,732 km (0.08 R)
• M6: 2,949,920 km (0.118 R)
• M7: 3,608,001 km (0.113 R)
• M8: 4,246,186 km (0.075 R)
• M9: 4,742,253 km (0.04 R)
• M10: 5,431,300 km (0.061 R)
• M11: 5,954,893 km (0.103 R)
• M12: 6,872,077 km (0.088 R)
• M13: 7,316,981 km (0.044 R)
• M14: 7,731,368 km (0.099 R)
• M15: 8,741,752 km (0.049 R)
• M16: 9,377,842 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.8

Radius: 8.2

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.08 AU - 1.42 AU

Year: 948 Days

Day: 6.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,699,784 km

• M1: 102,325 km (0.097 R)
• M2: 407,505 km (0.111 R)
• M3: 782,546 km (0.11 R)
• M4: 1,527,693 km (0.087 R)
• M5: 1,852,770 km (0.078 R)
• M6: 2,369,780 km (0.101 R)
• M7: 2,757,089 km (0.092 R)
• M8: 3,033,845 km (0.108 R)
• M9: 3,721,546 km (0.07 R)
• M10: 4,653,541 km (0.097 R)
• M11: 6,433,606 km (0.096 R)
• M12: 6,947,325 km (0.109 R)
• M13: 9,604,333 km (0.054 R)
• M14: 10,527,202 km (0.091 R)
• M15: 10,912,417 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.7

Radius: 12.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.77 AU - 3.01 AU

Year: 3332 Days

Day: 13.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,699,784 km

• M1: 176,825 km (0.073 R)
• M2: 756,068 km (0.115 R)
• M3: 1,719,927 km (0.109 R)
• M4: 2,320,413 km (0.103 R)
• M5: 3,650,786 km (0.074 R)
• M6: 4,279,097 km (0.118 R)
• M7: 9,747,199 km (0.111 R)
• M8: 11,542,972 km (0.067 R)
• M9: 17,240,706 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.4

Radius: 9

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.67 AU - 4.21 AU

Year: 4327 Days

Day: 10 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,699,784 km

• M1: 111,899 km (0.092 R)
• M2: 505,042 km (0.053 R)
• M3: 844,330 km (0.072 R)
• M4: 1,142,629 km (0.113 R)
• M5: 1,428,360 km (0.085 R)
• M6: 2,040,515 km (0.09 R)
• M7: 2,529,102 km (0.089 R)
• M8: 3,330,946 km (0.097 R)
• M9: 3,967,784 km (0.114 R)
• M10: 4,474,024 km (0.088 R)
• M11: 5,642,233 km (0.11 R)
• M12: 6,787,106 km (0.035 R)
• M13: 7,577,132 km (0.103 R)
• M14: 8,079,931 km (0.115 R)
• M15: 8,748,483 km (0.079 R)
• M16: 9,683,769 km (0.035 R)
• M17: 10,155,751 km (0.111 R)
• M18: 10,560,562 km (0.089 R)
• M19: 11,489,565 km (0.098 R)
• M20: 13,752,831 km (0.102 R)
• M21: 16,079,228 km (0.109 R)
• M22: 17,364,124 km (0.118 R)
• M23: 19,947,978 km (0.057 R)
• M24: 20,712,424 km (0.078 R)
• M25: 22,097,101 km (0.109 R)
• M26: 23,192,756 km (0.101 R)
• M27: 23,542,516 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.2

Radius: 8.5

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.44 AU - 5.64 AU

Year: 8844 Days

Day: 12.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,699,784 km

• M1: 105,766 km (0.118 R)
• M2: 437,125 km (0.107 R)
• M3: 891,155 km (0.097 R)
• M4: 1,262,307 km (0.06 R)
• M5: 1,721,273 km (0.11 R)
• M6: 2,013,438 km (0.095 R)
• M7: 3,266,470 km (0.118 R)
• M8: 3,984,539 km (0.092 R)
• M9: 5,298,457 km (0.109 R)
• M10: 5,794,674 km (0.104 R)
• M11: 6,087,137 km (0.112 R)
• M12: 6,701,985 km (0.099 R)
• M13: 8,378,977 km (0.119 R)
• M14: 8,923,812 km (0.094 R)
• M15: 10,271,240 km (0.097 R)
• M16: 10,944,580 km (0.075 R)
• M17: 11,241,981 km (0.117 R)
• M18: 12,113,987 km (0.086 R)
• M19: 16,963,202 km (0.085 R)
• M20: 17,429,050 km (0.043 R)
• M21: 18,525,752 km (0.074 R)
• M22: 19,377,861 km (0.034 R)
• M23: 20,181,800 km (0.099 R)
• M24: 21,160,320 km (0.068 R)
• M25: 23,621,055 km (0.109 R)
• M26: 24,118,318 km (0.047 R)
• M27: 26,266,245 km (0.065 R)
• M28: 27,797,678 km (0.097 R)
• M29: 34,626,821 km (0.097 R)
• M30: 35,592,625 km (0.102 R)
• M31: 36,027,655 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.8

Radius: 5.9

Gravity: 18.06 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.87 AU - 9.39 AU

Year: 17195 Days

Day: 21.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,699,784 km

• M1: 73,453 km (0.053 R)
• M2: 336,745 km (0.106 R)
• M3: 546,032 km (0.099 R)
• M4: 834,158 km (0.115 R)
• M5: 1,233,734 km (0.061 R)
• M6: 2,303,209 km (0.076 R)
• M7: 2,606,892 km (0.108 R)
• M8: 3,796,345 km (0.057 R)
• M9: 4,477,315 km (0.092 R)
• M10: 5,309,827 km (0.084 R)
• M11: 5,801,555 km (0.091 R)
• M12: 8,124,960 km (0.112 R)
• M13: 8,674,881 km (0.113 R)
• M14: 10,885,040 km (0.087 R)
• M15: 14,071,176 km (0.073 R)
• M16: 15,382,700 km (0.065 R)
• M17: 18,246,452 km (0.066 R)
• M18: 22,591,373 km (0.114 R)
• M19: 25,210,383 km (0.062 R)
• M20: 26,701,126 km (0.103 R)
• M21: 30,091,911 km (0.069 R)
• M22: 32,381,506 km (0.109 R)
• M23: 32,877,872 km (0.102 R)
• M24: 35,305,247 km (0.112 R)
• M25: 35,831,084 km (0.071 R)
• M26: 39,659,293 km (0.07 R)
• M27: 42,111,651 km (0.107 R)
• M28: 46,211,381 km (0.102 R)
• M29: 49,907,196 km (0.114 R)
• M30: 50,569,466 km (0.102 R)
• M31: 52,762,122 km (0.093 R)
• M32: 53,277,038 km (0.113 R)
• M33: 57,155,662 km (0.057 R)
• M34: 63,901,329 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.7

Radius: 4.3

Gravity: 53.09 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.72 AU - 9.46 AU

Year: 18588 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,699,784 km

• M1: 53,556 km (0.094 R)
• M2: 205,398 km (0.088 R)
• M3: 587,321 km (0.105 R)
• M4: 736,470 km (0.106 R)
• M5: 1,254,229 km (0.078 R)
• M6: 1,903,932 km (0.109 R)
• M7: 2,882,153 km (0.11 R)
• M8: 3,178,356 km (0.078 R)
• M9: 3,799,636 km (0.062 R)
• M10: 4,785,785 km (0.066 R)
• M11: 6,102,546 km (0.071 R)
• M12: 7,296,786 km (0.058 R)
• M13: 7,744,233 km (0.079 R)
• M14: 8,970,487 km (0.081 R)
• M15: 13,786,042 km (0.11 R)
• M16: 14,468,807 km (0.05 R)
• M17: 15,983,635 km (0.027 R)
• M18: 17,777,463 km (0.107 R)
• M19: 20,468,878 km (0.076 R)
• M20: 20,958,811 km (0.112 R)
• M21: 25,163,559 km (0.063 R)
• M22: 25,499,855 km (0.052 R)
• M23: 27,108,929 km (0.104 R)
• M24: 29,523,289 km (0.094 R)
• M25: 31,946,027 km (0.095 R)
• M26: 33,004,581 km (0.105 R)
• M27: 34,223,206 km (0.109 R)
• M28: 36,035,883 km (0.12 R)
• M29: 39,398,095 km (0.097 R)
• M30: 42,963,312 km (0.056 R)
• M31: 46,066,121 km (0.095 R)
• M32: 52,166,423 km (0.101 R)
• M33: 53,263,574 km (0.031 R)
• M34: 57,611,636 km (0.098 R)
• M35: 59,772,278 km (0.076 R)
• M36: 63,630,407 km (0.115 R)
• M37: 66,150,832 km (0.053 R)
• M38: 70,276,293 km (0.072 R)
• M39: 74,109,888 km (0.06 R)
• M40: 74,800,581 km (0.05 R)
• M41: 81,699,736 km (0.089 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: 497 - 16,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit