🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.3

Radius: 13.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.63 AU - 0.99 AU

Year: 471 Days

Day: 5 Hours

Environment

Temp: -147 °C

Axial Tilt: 134.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 92,852,016 km

• M1: 163,211 km (0.075 R)
• M2: 891,753 km (0.113 R)
• M3: 1,376,899 km (0.112 R)
• M4: 2,040,066 km (0.12 R)
• M5: 2,504,717 km (0.067 R)
• M6: 3,185,986 km (0.091 R)
• M7: 4,037,497 km (0.093 R)
• M8: 4,612,551 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.3

Radius: 8.2

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.85 AU - 0.99 AU

Year: 570 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 92,852,016 km

• M1: 102,026 km (0.061 R)
• M2: 438,920 km (0.091 R)
• M3: 799,900 km (0.081 R)
• M4: 1,276,967 km (0.118 R)
• M5: 1,603,390 km (0.1 R)
• M6: 1,899,145 km (0.106 R)
• M7: 2,156,453 km (0.116 R)
• M8: 2,731,358 km (0.091 R)
• M9: 3,072,890 km (0.046 R)
• M10: 4,798,202 km (0.109 R)
• M11: 5,076,903 km (0.113 R)
• M12: 6,399,348 km (0.084 R)
• M13: 6,677,151 km (0.115 R)
• M14: 7,088,097 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.8

Radius: 13.4

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.07 AU - 3.19 AU

Year: 2754 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,852,016 km

• M1: 166,802 km (0.11 R)
• M2: 816,804 km (0.09 R)
• M3: 2,103,944 km (0.109 R)
• M4: 2,882,601 km (0.096 R)
• M5: 3,738,900 km (0.041 R)
• M6: 4,217,912 km (0.118 R)
• M7: 5,980,624 km (0.115 R)
• M8: 6,483,123 km (0.097 R)
• M9: 7,068,200 km (0.078 R)
• M10: 9,135,643 km (0.026 R)
• M11: 10,220,377 km (0.11 R)
• M12: 11,163,442 km (0.048 R)
• M13: 14,835,022 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 13.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.78 AU - 3.8 AU

Year: 4764 Days

Day: 15 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 92,852,016 km

• M1: 177,573 km (0.073 R)
• M2: 659,427 km (0.072 R)
• M3: 1,122,134 km (0.084 R)
• M4: 1,735,934 km (0.113 R)
• M5: 2,686,778 km (0.048 R)
• M6: 3,369,393 km (0.085 R)
• M7: 4,142,515 km (0.112 R)
• M8: 5,191,046 km (0.114 R)
• M9: 7,990,471 km (0.082 R)
• M10: 9,286,886 km (0.04 R)
• M11: 10,027,844 km (0.083 R)
• M12: 11,031,796 km (0.113 R)
• M13: 11,535,043 km (0.118 R)
• M14: 12,440,409 km (0.07 R)
• M15: 13,703,464 km (0.111 R)
• M16: 14,339,405 km (0.111 R)
• M17: 15,670,227 km (0.12 R)
• M18: 18,898,998 km (0.091 R)
• M19: 22,693,847 km (0.077 R)
• M20: 23,660,100 km (0.109 R)
• M21: 25,357,437 km (0.067 R)
• M22: 26,805,395 km (0.102 R)
• M23: 27,885,043 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.1

Radius: 14.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.7 AU - 5.08 AU

Year: 5939 Days

Day: 8.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,852,016 km

• M1: 202,107 km (0.076 R)
• M2: 1,132,456 km (0.079 R)
• M3: 1,939,237 km (0.106 R)
• M4: 2,508,008 km (0.113 R)
• M5: 3,188,080 km (0.083 R)
• M6: 6,215,492 km (0.109 R)
• M7: 6,908,130 km (0.054 R)
• M8: 8,215,466 km (0.088 R)
• M9: 8,887,609 km (0.086 R)
• M10: 10,706,720 km (0.118 R)
• M11: 12,200,754 km (0.097 R)
• M12: 14,161,383 km (0.118 R)
• M13: 15,719,295 km (0.068 R)
• M14: 18,834,671 km (0.108 R)
• M15: 20,076,034 km (0.085 R)
• M16: 27,373,718 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.2

Radius: 3.6

Gravity: 24.01 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.12 AU - 7.58 AU

Year: 10332 Days

Day: 17 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 92,852,016 km

• M1: 70,461 km (0.04 R)
• M2: 551,867 km (0.097 R)
• M3: 698,323 km (0.036 R)
• M4: 952,639 km (0.082 R)
• M5: 1,699,282 km (0.09 R)
• M6: 2,191,310 km (0.03 R)
• M7: 2,362,898 km (0.059 R)
• M8: 3,949,982 km (0.102 R)
• M9: 4,075,944 km (0.085 R)
• M10: 4,606,866 km (0.087 R)
• M11: 5,212,439 km (0.092 R)
• M12: 5,708,206 km (0.103 R)
• M13: 6,000,670 km (0.037 R)
• M14: 6,268,749 km (0.074 R)
• M15: 6,509,901 km (0.119 R)
• M16: 6,721,432 km (0.115 R)
• M17: 7,345,854 km (0.064 R)
• M18: 9,675,841 km (0.108 R)
• M19: 11,561,522 km (0.053 R)
• M20: 12,240,846 km (0.075 R)
• M21: 16,040,482 km (0.097 R)
• M22: 17,418,278 km (0.075 R)
• M23: 17,757,716 km (0.081 R)
• M24: 18,519,618 km (0.104 R)
• M25: 19,960,545 km (0.109 R)
• M26: 23,637,212 km (0.089 R)
• M27: 24,136,719 km (0.107 R)
• M28: 24,899,219 km (0.116 R)
• M29: 25,590,361 km (0.094 R)
• M30: 28,483,135 km (0.084 R)
• M31: 35,446,767 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.4

Radius: 6.7

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 9.98 AU - 12.4 AU

Year: 24169 Days

Day: 20.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,852,016 km

• M1: 119,379 km (0.102 R)
• M2: 580,440 km (0.119 R)
• M3: 1,256,772 km (0.037 R)
• M4: 1,732,643 km (0.105 R)
• M5: 4,026,726 km (0.111 R)
• M6: 7,666,891 km (0.045 R)
• M7: 8,093,993 km (0.068 R)
• M8: 8,424,604 km (0.119 R)
• M9: 11,749,118 km (0.098 R)
• M10: 12,030,810 km (0.102 R)
• M11: 15,602,011 km (0.093 R)
• M12: 17,444,907 km (0.099 R)
• M13: 19,233,050 km (0.081 R)
• M14: 20,626,554 km (0.103 R)
• M15: 22,840,752 km (0.095 R)
• M16: 34,565,037 km (0.084 R)
• M17: 34,853,462 km (0.107 R)
• M18: 42,435,231 km (0.085 R)
• M19: 47,402,928 km (0.116 R)
• M20: 51,233,082 km (0.099 R)
• M21: 56,854,072 km (0.113 R)
• M22: 60,541,959 km (0.072 R)
• M23: 80,629,812 km (0.114 R)
• M24: 92,296,501 km (0.033 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 11,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit