🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.3

Radius: 13.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.53 AU - 0.65 AU

Year: 302 Days

Day: 13.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,508,581 km

• M1: 173,384 km (0.056 R)
• M2: 650,452 km (0.038 R)
• M3: 1,105,827 km (0.062 R)
• M4: 1,834,967 km (0.072 R)
• M5: 2,272,691 km (0.045 R)
• M6: 2,781,174 km (0.057 R)
• M7: 4,397,130 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.7

Radius: 9.1

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.53 AU - 0.69 AU

Year: 318 Days

Day: 8.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,508,581 km

• M1: 113,096 km (0.053 R)
• M2: 437,275 km (0.054 R)
• M3: 749,635 km (0.082 R)
• M4: 1,575,266 km (0.104 R)
• M5: 1,953,898 km (0.095 R)
• M6: 2,804,661 km (0.108 R)
• M7: 3,586,011 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 11.9

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.93 AU - 1.29 AU

Year: 780 Days

Day: 12.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,508,581 km

• M1: 148,551 km (0.108 R)
• M2: 591,061 km (0.095 R)
• M3: 1,052,421 km (0.09 R)
• M4: 1,543,252 km (0.048 R)
• M5: 2,288,249 km (0.115 R)
• M6: 4,291,664 km (0.112 R)
• M7: 5,227,249 km (0.072 R)
• M8: 6,231,200 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.5

Radius: 9.6

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.6 AU - 1.66 AU

Year: 1388 Days

Day: 7.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 90.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,508,581 km

• M1: 119,529 km (0.061 R)
• M2: 448,494 km (0.091 R)
• M3: 787,184 km (0.106 R)
• M4: 1,233,285 km (0.114 R)
• M5: 1,576,612 km (0.055 R)
• M6: 2,506,064 km (0.093 R)
• M7: 3,183,891 km (0.08 R)
• M8: 3,631,638 km (0.114 R)
• M9: 3,979,154 km (0.115 R)
• M10: 4,449,041 km (0.113 R)
• M11: 6,230,901 km (0.094 R)
• M12: 6,620,005 km (0.077 R)
• M13: 7,071,192 km (0.106 R)
• M14: 7,664,049 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843

Radius: 12

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.81 AU - 1.95 AU

Year: 1719 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,508,581 km

• M1: 149,299 km (0.034 R)
• M2: 631,602 km (0.11 R)
• M3: 1,104,032 km (0.042 R)
• M4: 1,601,894 km (0.036 R)
• M5: 2,558,124 km (0.118 R)
• M6: 3,413,075 km (0.095 R)
• M7: 3,862,168 km (0.115 R)
• M8: 4,390,099 km (0.119 R)
• M9: 4,965,752 km (0.112 R)
• M10: 6,446,621 km (0.074 R)
• M11: 6,839,016 km (0.101 R)
• M12: 7,758,894 km (0.067 R)
• M13: 9,014,618 km (0.119 R)
• M14: 9,606,876 km (0.077 R)
• M15: 10,016,026 km (0.11 R)
• M16: 10,508,203 km (0.097 R)
• M17: 11,389,335 km (0.081 R)
• M18: 12,843,426 km (0.028 R)
• M19: 13,551,622 km (0.059 R)
• M20: 15,413,069 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 12.6

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.98 AU - 3.02 AU

Year: 2636 Days

Day: 13.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 71,508,581 km

• M1: 156,629 km (0.113 R)
• M2: 1,880,296 km (0.106 R)
• M3: 2,479,136 km (0.116 R)
• M4: 2,943,039 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.7

Radius: 9.4

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.78 AU - 3.28 AU

Year: 3517 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,508,581 km

• M1: 116,986 km (0.107 R)
• M2: 515,065 km (0.12 R)
• M3: 832,662 km (0.119 R)
• M4: 1,285,644 km (0.08 R)
• M5: 1,674,599 km (0.105 R)
• M6: 1,985,313 km (0.059 R)
• M7: 2,349,135 km (0.112 R)
• M8: 2,709,666 km (0.051 R)
• M9: 3,055,237 km (0.119 R)
• M10: 4,166,450 km (0.106 R)
• M11: 7,506,971 km (0.059 R)
• M12: 7,861,368 km (0.032 R)
• M13: 8,226,985 km (0.101 R)
• M14: 9,728,350 km (0.089 R)
• M15: 11,071,439 km (0.032 R)
• M16: 12,003,883 km (0.065 R)
• M17: 13,593,809 km (0.094 R)
• M18: 15,943,692 km (0.09 R)
• M19: 17,634,148 km (0.079 R)
• M20: 18,089,075 km (0.109 R)
• M21: 19,141,496 km (0.053 R)
• M22: 19,501,130 km (0.097 R)
• M23: 20,732,918 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.2

Radius: 5.1

Gravity: 23.27 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.53 AU - 8.03 AU

Year: 14471 Days

Day: 19 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,508,581 km

• M1: 67,469 km (0.107 R)
• M2: 299,645 km (0.027 R)
• M3: 466,596 km (0.095 R)
• M4: 1,169,706 km (0.109 R)
• M5: 1,424,172 km (0.071 R)
• M6: 2,414,809 km (0.115 R)
• M7: 3,314,341 km (0.086 R)
• M8: 4,736,867 km (0.087 R)
• M9: 7,906,696 km (0.111 R)
• M10: 8,666,803 km (0.098 R)
• M11: 10,665,281 km (0.117 R)
• M12: 19,541,820 km (0.089 R)
• M13: 19,711,165 km (0.092 R)
• M14: 27,319,114 km (0.114 R)
• M15: 29,933,936 km (0.05 R)
• M16: 30,726,954 km (0.076 R)
• M17: 32,949,829 km (0.05 R)
• M18: 37,975,270 km (0.104 R)
• M19: 40,669,528 km (0.067 R)
• M20: 42,629,409 km (0.074 R)
• M21: 47,039,554 km (0.108 R)
• M22: 56,753,243 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.8

Radius: 5.9

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.73 AU - 12.53 AU

Year: 23112 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,508,581 km

• M1: 73,453 km (0.114 R)
• M2: 400,174 km (0.09 R)
• M3: 636,389 km (0.055 R)
• M4: 908,957 km (0.091 R)
• M5: 1,495,081 km (0.077 R)
• M6: 2,458,342 km (0.088 R)
• M7: 3,691,776 km (0.119 R)
• M8: 5,069,124 km (0.055 R)
• M9: 6,283,859 km (0.077 R)
• M10: 6,891,376 km (0.096 R)
• M11: 8,426,250 km (0.071 R)
• M12: 8,632,994 km (0.084 R)
• M13: 10,292,633 km (0.112 R)
• M14: 12,153,929 km (0.045 R)
• M15: 12,685,899 km (0.099 R)
• M16: 16,608,804 km (0.095 R)
• M17: 18,975,742 km (0.081 R)
• M18: 19,964,135 km (0.119 R)
• M19: 22,435,941 km (0.105 R)
• M20: 23,034,033 km (0.096 R)
• M21: 24,366,202 km (0.102 R)
• M22: 24,680,806 km (0.076 R)
• M23: 25,966,301 km (0.058 R)
• M24: 26,847,731 km (0.115 R)
• M25: 27,183,279 km (0.088 R)
• M26: 32,180,297 km (0.098 R)
• M27: 33,454,273 km (0.116 R)
• M28: 35,293,728 km (0.116 R)
• M29: 52,847,093 km (0.089 R)
• M30: 54,797,102 km (0.085 R)
• M31: 55,156,735 km (0.068 R)
• M32: 62,487,928 km (0.092 R)
• M33: 62,880,473 km (0.062 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 11,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit