🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 8.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.65 AU - 0.85 AU

Year: 419 Days

Day: 14.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,296,579 km

• M1: 102,026 km (0.105 R)
• M2: 406,308 km (0.087 R)
• M3: 709,842 km (0.118 R)
• M4: 972,985 km (0.095 R)
• M5: 1,234,182 km (0.079 R)
• M6: 1,585,887 km (0.063 R)
• M7: 2,247,259 km (0.069 R)
• M8: 2,730,909 km (0.106 R)
• M9: 3,080,669 km (0.059 R)
• M10: 3,438,956 km (0.049 R)
• M11: 3,779,441 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.2

Radius: 11.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.71 AU - 0.99 AU

Year: 506 Days

Day: 14.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,296,579 km

• M1: 142,716 km (0.102 R)
• M2: 572,810 km (0.081 R)
• M3: 944,262 km (0.071 R)
• M4: 1,427,463 km (0.065 R)
• M5: 2,073,875 km (0.068 R)
• M6: 2,635,914 km (0.088 R)
• M7: 3,098,022 km (0.103 R)
• M8: 3,711,523 km (0.062 R)
• M9: 4,376,785 km (0.05 R)
• M10: 4,745,693 km (0.114 R)
• M11: 5,244,004 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.7

Radius: 11.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.83 AU - 0.97 AU

Year: 551 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,296,579 km

• M1: 149,299 km (0.045 R)
• M2: 632,500 km (0.084 R)
• M3: 1,060,499 km (0.049 R)
• M4: 1,445,714 km (0.105 R)
• M5: 2,066,695 km (0.098 R)
• M6: 2,592,681 km (0.077 R)
• M7: 2,965,778 km (0.067 R)
• M8: 3,418,012 km (0.105 R)
• M9: 3,963,895 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601

Radius: 11.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.43 AU - 1.87 AU

Year: 1368 Days

Day: 13.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,296,579 km

• M1: 138,677 km (0.094 R)
• M2: 518,207 km (0.094 R)
• M3: 886,218 km (0.102 R)
• M4: 1,373,009 km (0.079 R)
• M5: 1,941,780 km (0.119 R)
• M6: 2,369,181 km (0.076 R)
• M7: 2,886,192 km (0.087 R)
• M8: 3,340,969 km (0.08 R)
• M9: 4,523,391 km (0.08 R)
• M10: 4,980,562 km (0.072 R)
• M11: 5,343,636 km (0.075 R)
• M12: 5,988,253 km (0.099 R)
• M13: 6,517,082 km (0.099 R)
• M14: 7,381,309 km (0.064 R)
• M15: 7,801,080 km (0.115 R)
• M16: 8,660,071 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.5

Radius: 12.7

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.47 AU - 3.47 AU

Year: 3305 Days

Day: 14.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 94,296,579 km

• M1: 157,975 km (0.045 R)
• M2: 580,141 km (0.085 R)
• M3: 1,034,320 km (0.074 R)
• M4: 1,594,414 km (0.117 R)
• M5: 2,521,771 km (0.069 R)
• M6: 2,990,013 km (0.073 R)
• M7: 3,516,148 km (0.063 R)
• M8: 4,905,015 km (0.115 R)
• M9: 5,585,984 km (0.07 R)
• M10: 6,093,720 km (0.107 R)
• M11: 6,693,757 km (0.075 R)
• M12: 7,333,138 km (0.051 R)
• M13: 8,846,021 km (0.12 R)
• M14: 9,696,186 km (0.105 R)
• M15: 10,770,299 km (0.111 R)
• M16: 11,247,965 km (0.096 R)
• M17: 12,480,801 km (0.113 R)
• M18: 13,450,793 km (0.064 R)
• M19: 13,852,464 km (0.087 R)
• M20: 14,522,512 km (0.092 R)
• M21: 17,243,997 km (0.117 R)
• M22: 21,492,726 km (0.068 R)
• M23: 21,973,534 km (0.08 R)
• M24: 22,602,144 km (0.08 R)
• M25: 23,895,268 km (0.105 R)
• M26: 24,709,529 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.2

Radius: 13.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.36 AU - 3.94 AU

Year: 3610 Days

Day: 12.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 94,296,579 km

• M1: 170,542 km (0.097 R)
• M2: 791,971 km (0.118 R)
• M3: 2,176,200 km (0.115 R)
• M4: 3,431,626 km (0.12 R)
• M5: 5,236,225 km (0.098 R)
• M6: 6,314,227 km (0.102 R)
• M7: 8,668,299 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.2

Radius: 8

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.92 AU - 3.94 AU

Year: 4102 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 94,296,579 km

• M1: 99,632 km (0.087 R)
• M2: 452,683 km (0.03 R)
• M3: 1,247,646 km (0.081 R)
• M4: 1,890,169 km (0.096 R)
• M5: 2,162,437 km (0.056 R)
• M6: 2,636,812 km (0.082 R)
• M7: 3,014,247 km (0.065 R)
• M8: 3,368,794 km (0.12 R)
• M9: 6,055,722 km (0.115 R)
• M10: 7,929,585 km (0.097 R)
• M11: 8,570,911 km (0.103 R)
• M12: 8,866,965 km (0.109 R)
• M13: 9,131,454 km (0.042 R)
• M14: 9,716,083 km (0.087 R)
• M15: 10,408,421 km (0.072 R)
• M16: 10,873,820 km (0.097 R)
• M17: 11,937,162 km (0.109 R)
• M18: 13,312,715 km (0.081 R)
• M19: 13,660,081 km (0.068 R)
• M20: 13,911,704 km (0.061 R)
• M21: 14,217,931 km (0.081 R)
• M22: 14,685,574 km (0.097 R)
• M23: 15,983,037 km (0.057 R)
• M24: 17,591,363 km (0.116 R)
• M25: 19,241,577 km (0.057 R)
• M26: 21,260,700 km (0.118 R)
• M27: 24,363,210 km (0.099 R)
• M28: 24,733,764 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.7

Radius: 7.8

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 9.65 AU - 12.67 AU

Year: 24072 Days

Day: 22.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 94,296,579 km

• M1: 155,731 km (0.119 R)
• M2: 528,080 km (0.04 R)
• M3: 924,515 km (0.092 R)
• M4: 1,191,397 km (0.088 R)
• M5: 2,212,852 km (0.106 R)
• M6: 2,876,767 km (0.069 R)
• M7: 3,427,437 km (0.041 R)
• M8: 4,079,534 km (0.117 R)
• M9: 4,348,661 km (0.037 R)
• M10: 5,346,030 km (0.043 R)
• M11: 5,669,011 km (0.108 R)
• M12: 6,763,021 km (0.103 R)
• M13: 7,189,374 km (0.095 R)
• M14: 9,020,004 km (0.093 R)
• M15: 10,566,995 km (0.112 R)
• M16: 14,407,621 km (0.056 R)
• M17: 18,352,068 km (0.112 R)
• M18: 18,717,835 km (0.104 R)
• M19: 20,619,673 km (0.073 R)
• M20: 22,646,874 km (0.097 R)
• M21: 32,353,382 km (0.092 R)
• M22: 33,972,629 km (0.116 R)
• M23: 34,385,669 km (0.079 R)
• M24: 35,362,693 km (0.033 R)
• M25: 36,357,967 km (0.111 R)
• M26: 36,790,305 km (0.108 R)
• M27: 40,065,451 km (0.118 R)
• M28: 41,147,044 km (0.097 R)
• M29: 49,269,012 km (0.101 R)
• M30: 53,983,588 km (0.103 R)
• M31: 65,141,645 km (0.096 R)
• M32: 67,283,438 km (0.043 R)
• M33: 68,590,773 km (0.038 R)
• M34: 72,159,730 km (0.111 R)
• M35: 82,361,108 km (0.088 R)
• M36: 83,106,704 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.3

Radius: 3.4

Gravity: 76.41 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 10.15 AU - 12.31 AU

Year: 24299 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 94,296,579 km

• M1: 43,084 km (0.061 R)
• M2: 171,140 km (0.094 R)
• M3: 317,895 km (0.091 R)
• M4: 489,185 km (0.102 R)
• M5: 842,535 km (0.098 R)
• M6: 1,479,972 km (0.105 R)
• M7: 1,642,285 km (0.11 R)
• M8: 1,877,004 km (0.081 R)
• M9: 2,270,447 km (0.069 R)
• M10: 3,277,839 km (0.075 R)
• M11: 3,522,731 km (0.105 R)
• M12: 4,933,588 km (0.069 R)
• M13: 5,851,222 km (0.074 R)
• M14: 7,075,381 km (0.077 R)
• M15: 8,746,240 km (0.097 R)
• M16: 9,519,062 km (0.093 R)
• M17: 10,207,661 km (0.096 R)
• M18: 10,662,738 km (0.117 R)
• M19: 12,841,780 km (0.054 R)
• M20: 15,049,396 km (0.057 R)
• M21: 30,072,762 km (0.084 R)
• M22: 37,467,385 km (0.109 R)
• M23: 37,620,424 km (0.12 R)
• M24: 40,124,842 km (0.109 R)
• M25: 41,745,136 km (0.081 R)
• M26: 42,239,707 km (0.092 R)
• M27: 46,337,043 km (0.065 R)
• M28: 50,132,939 km (0.119 R)
• M29: 50,504,840 km (0.105 R)
• M30: 50,691,538 km (0.111 R)
• M31: 59,784,395 km (0.116 R)
• M32: 67,162,862 km (0.096 R)
• M33: 70,835,639 km (0.037 R)
• M34: 73,916,607 km (0.049 R)
• M35: 79,837,092 km (0.118 R)
• M36: 81,365,085 km (0.113 R)
• M37: 83,693,277 km (0.119 R)
• M38: 90,118,505 km (0.06 R)
• M39: 93,732,191 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 18,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit