🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.1

Radius: 8.2

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.5 AU - 0.52 AU

Year: 256 Days

Day: 6 Hours

Environment

Temp: -136 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,181,076 km

• M1: 102,026 km (0.038 R)
• M2: 368,160 km (0.107 R)
• M3: 711,637 km (0.106 R)
• M4: 1,065,436 km (0.082 R)
• M5: 1,373,907 km (0.116 R)
• M6: 1,722,021 km (0.116 R)
• M7: 2,120,550 km (0.079 R)
• M8: 2,597,617 km (0.12 R)
• M9: 3,093,385 km (0.077 R)
• M10: 3,494,606 km (0.072 R)
• M11: 3,812,053 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825

Radius: 13.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.54 AU - 0.86 AU

Year: 412 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,181,076 km

• M1: 171,589 km (0.059 R)
• M2: 638,185 km (0.055 R)
• M3: 1,143,975 km (0.116 R)
• M4: 1,932,804 km (0.104 R)
• M5: 3,537,990 km (0.036 R)
• M6: 4,309,017 km (0.114 R)
• M7: 4,817,799 km (0.092 R)
• M8: 5,481,416 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 13.4

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.8 AU - 0.92 AU

Year: 561 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,181,076 km

• M1: 166,652 km (0.05 R)
• M2: 652,396 km (0.08 R)
• M3: 1,155,045 km (0.047 R)
• M4: 2,050,388 km (0.093 R)
• M5: 2,491,852 km (0.1 R)
• M6: 2,926,733 km (0.09 R)
• M7: 3,514,054 km (0.104 R)
• M8: 4,052,457 km (0.103 R)
• M9: 4,985,199 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 12.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.11 AU - 1.25 AU

Year: 901 Days

Day: 6.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,181,076 km

• M1: 155,432 km (0.086 R)
• M2: 643,420 km (0.065 R)
• M3: 1,587,682 km (0.044 R)
• M4: 2,091,677 km (0.102 R)
• M5: 2,690,817 km (0.119 R)
• M6: 3,213,512 km (0.105 R)
• M7: 3,748,175 km (0.089 R)
• M8: 4,191,433 km (0.103 R)
• M9: 4,606,118 km (0.12 R)
• M10: 5,773,730 km (0.073 R)
• M11: 6,938,948 km (0.045 R)
• M12: 7,433,518 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 12.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.81 AU - 2.41 AU

Year: 2154 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,181,076 km

• M1: 150,495 km (0.118 R)
• M2: 528,978 km (0.097 R)
• M3: 1,394,551 km (0.077 R)
• M4: 2,049,790 km (0.115 R)
• M5: 3,587,207 km (0.1 R)
• M6: 5,541,404 km (0.061 R)
• M7: 6,598,014 km (0.11 R)
• M8: 7,509,065 km (0.062 R)
• M9: 12,540,191 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.4

Radius: 13

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.76 AU - 2.52 AU

Year: 2201 Days

Day: 7.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,181,076 km

• M1: 209,287 km (0.076 R)
• M2: 1,015,620 km (0.116 R)
• M3: 1,614,011 km (0.091 R)
• M4: 2,119,802 km (0.075 R)
• M5: 3,380,912 km (0.087 R)
• M6: 4,628,857 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204

Radius: 3.1

Gravity: 21.23 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.88 AU - 7.52 AU

Year: 12190 Days

Day: 20.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,181,076 km

• M1: 38,596 km (0.114 R)
• M2: 280,945 km (0.067 R)
• M3: 709,991 km (0.07 R)
• M4: 1,643,632 km (0.104 R)
• M5: 1,947,465 km (0.105 R)
• M6: 2,203,128 km (0.068 R)
• M7: 3,385,849 km (0.117 R)
• M8: 3,827,013 km (0.042 R)
• M9: 6,975,599 km (0.103 R)
• M10: 9,470,144 km (0.057 R)
• M11: 15,371,032 km (0.093 R)
• M12: 15,867,697 km (0.088 R)
• M13: 21,666,110 km (0.107 R)
• M14: 22,685,769 km (0.084 R)
• M15: 23,167,025 km (0.105 R)
• M16: 24,483,636 km (0.061 R)
• M17: 26,198,477 km (0.057 R)
• M18: 27,808,898 km (0.12 R)
• M19: 30,346,227 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.9

Radius: 6.6

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.84 AU - 7.6 AU

Year: 12245 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,181,076 km

• M1: 82,279 km (0.102 R)
• M2: 356,941 km (0.092 R)
• M3: 613,351 km (0.045 R)
• M4: 1,113,906 km (0.099 R)
• M5: 1,858,604 km (0.052 R)
• M6: 2,261,621 km (0.053 R)
• M7: 2,658,354 km (0.094 R)
• M8: 3,935,471 km (0.104 R)
• M9: 4,880,182 km (0.101 R)
• M10: 5,823,845 km (0.098 R)
• M11: 7,629,641 km (0.104 R)
• M12: 7,889,792 km (0.076 R)
• M13: 8,291,312 km (0.111 R)
• M14: 9,183,514 km (0.108 R)
• M15: 10,138,248 km (0.053 R)
• M16: 10,506,109 km (0.117 R)
• M17: 16,707,539 km (0.103 R)
• M18: 19,783,870 km (0.098 R)
• M19: 20,691,779 km (0.096 R)
• M20: 21,627,215 km (0.061 R)
• M21: 22,324,939 km (0.103 R)
• M22: 25,075,595 km (0.048 R)
• M23: 26,730,447 km (0.087 R)
• M24: 30,581,395 km (0.104 R)
• M25: 34,080,041 km (0.115 R)
• M26: 35,382,888 km (0.04 R)
• M27: 36,473,457 km (0.076 R)
• M28: 37,711,080 km (0.114 R)
• M29: 38,594,007 km (0.027 R)
• M30: 48,341,355 km (0.117 R)
• M31: 50,743,897 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.1

Radius: 7.3

Gravity: 14.88 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.4 AU - 10.72 AU

Year: 22429 Days

Day: 18.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,181,076 km

• M1: 90,806 km (0.117 R)
• M2: 576,700 km (0.043 R)
• M3: 935,136 km (0.074 R)
• M4: 1,223,112 km (0.114 R)
• M5: 2,463,727 km (0.063 R)
• M6: 3,272,005 km (0.07 R)
• M7: 3,597,829 km (0.051 R)
• M8: 4,633,944 km (0.108 R)
• M9: 5,161,875 km (0.051 R)
• M10: 7,682,449 km (0.116 R)
• M11: 8,099,378 km (0.107 R)
• M12: 10,539,768 km (0.082 R)
• M13: 15,546,809 km (0.109 R)
• M14: 19,168,424 km (0.052 R)
• M15: 20,130,189 km (0.116 R)
• M16: 21,123,668 km (0.119 R)
• M17: 22,045,490 km (0.114 R)
• M18: 25,084,571 km (0.115 R)
• M19: 30,406,814 km (0.101 R)
• M20: 33,467,288 km (0.114 R)
• M21: 45,367,948 km (0.026 R)
• M22: 47,244,803 km (0.069 R)
• M23: 49,528,863 km (0.073 R)
• M24: 49,886,701 km (0.079 R)
• M25: 54,315,995 km (0.064 R)
• M26: 55,270,579 km (0.108 R)
• M27: 66,087,403 km (0.059 R)
• M28: 67,833,658 km (0.116 R)
• M29: 71,874,746 km (0.096 R)
• M30: 79,694,974 km (0.109 R)
• M31: 81,922,038 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.6

Radius: 8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.67 AU - 12.63 AU

Year: 22730 Days

Day: 15 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,181,076 km

• M1: 99,483 km (0.08 R)
• M2: 382,522 km (0.094 R)
• M3: 2,078,812 km (0.034 R)
• M4: 2,363,198 km (0.109 R)
• M5: 2,767,112 km (0.078 R)
• M6: 3,920,212 km (0.106 R)
• M7: 4,791,321 km (0.1 R)
• M8: 5,108,767 km (0.108 R)
• M9: 5,440,127 km (0.056 R)
• M10: 7,835,188 km (0.087 R)
• M11: 8,734,720 km (0.069 R)
• M12: 11,098,666 km (0.095 R)
• M13: 12,231,272 km (0.119 R)
• M14: 14,577,864 km (0.119 R)
• M15: 15,473,207 km (0.086 R)
• M16: 16,563,626 km (0.085 R)
• M17: 18,983,521 km (0.057 R)
• M18: 22,303,696 km (0.057 R)
• M19: 24,824,570 km (0.099 R)
• M20: 33,389,198 km (0.108 R)
• M21: 34,418,730 km (0.1 R)
• M22: 36,002,523 km (0.093 R)
• M23: 36,405,839 km (0.111 R)
• M24: 37,084,863 km (0.12 R)
• M25: 38,188,896 km (0.11 R)
• M26: 43,429,010 km (0.034 R)
• M27: 47,016,367 km (0.116 R)
• M28: 48,799,873 km (0.031 R)
• M29: 50,459,960 km (0.099 R)
• M30: 63,931,548 km (0.091 R)
• M31: 64,721,275 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 14,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit