🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.9

Radius: 9.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.94 AU - 1 AU

Year: 659 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,633,946 km

• M1: 116,986 km (0.059 R)
• M2: 459,265 km (0.115 R)
• M3: 904,618 km (0.071 R)
• M4: 1,247,048 km (0.076 R)
• M5: 1,560,306 km (0.111 R)
• M6: 1,973,645 km (0.107 R)
• M7: 2,496,190 km (0.117 R)
• M8: 3,033,396 km (0.036 R)
• M9: 3,621,914 km (0.056 R)
• M10: 4,098,682 km (0.112 R)
• M11: 4,789,376 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.9

Radius: 13.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.16 AU - 2.84 AU

Year: 2728 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,633,946 km

• M1: 167,849 km (0.098 R)
• M2: 747,391 km (0.108 R)
• M3: 1,569,431 km (0.084 R)
• M4: 2,666,283 km (0.11 R)
• M5: 3,264,974 km (0.078 R)
• M6: 4,075,944 km (0.091 R)
• M7: 4,874,647 km (0.117 R)
• M8: 5,696,238 km (0.066 R)
• M9: 7,393,576 km (0.083 R)
• M10: 8,444,650 km (0.089 R)
• M11: 9,186,955 km (0.116 R)
• M12: 11,254,996 km (0.104 R)
• M13: 11,763,329 km (0.05 R)
• M14: 12,242,791 km (0.112 R)
• M15: 13,381,230 km (0.115 R)
• M16: 14,638,900 km (0.118 R)
• M17: 16,725,491 km (0.097 R)
• M18: 18,357,604 km (0.084 R)
• M19: 19,003,717 km (0.055 R)
• M20: 20,654,080 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 8.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.7 AU - 3.48 AU

Year: 3749 Days

Day: 8.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,633,946 km

• M1: 104,419 km (0.057 R)
• M2: 367,712 km (0.108 R)
• M3: 782,846 km (0.045 R)
• M4: 1,392,457 km (0.037 R)
• M5: 1,698,385 km (0.114 R)
• M6: 2,122,794 km (0.077 R)
• M7: 3,184,639 km (0.05 R)
• M8: 4,022,238 km (0.103 R)
• M9: 4,714,577 km (0.114 R)
• M10: 5,750,093 km (0.085 R)
• M11: 6,101,349 km (0.076 R)
• M12: 6,682,088 km (0.114 R)
• M13: 7,127,291 km (0.072 R)
• M14: 7,832,047 km (0.079 R)
• M15: 8,232,670 km (0.051 R)
• M16: 10,045,347 km (0.094 R)
• M17: 10,334,969 km (0.089 R)
• M18: 11,198,448 km (0.089 R)
• M19: 11,787,115 km (0.08 R)
• M20: 13,026,085 km (0.091 R)
• M21: 14,213,294 km (0.119 R)
• M22: 17,107,564 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.6

Radius: 10.2

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.78 AU - 4.2 AU

Year: 5501 Days

Day: 9.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,633,946 km

• M1: 139,575 km (0.078 R)
• M2: 581,038 km (0.108 R)
• M3: 992,881 km (0.117 R)
• M4: 2,130,423 km (0.095 R)
• M5: 2,553,037 km (0.119 R)
• M6: 3,012,303 km (0.108 R)
• M7: 3,341,867 km (0.096 R)
• M8: 4,028,820 km (0.032 R)
• M9: 4,807,028 km (0.109 R)
• M10: 5,259,712 km (0.062 R)
• M11: 6,406,379 km (0.102 R)
• M12: 8,409,046 km (0.085 R)
• M13: 9,348,820 km (0.071 R)
• M14: 12,244,885 km (0.041 R)
• M15: 14,297,667 km (0.106 R)
• M16: 16,332,647 km (0.103 R)
• M17: 18,106,728 km (0.094 R)
• M18: 18,682,680 km (0.093 R)
• M19: 21,320,090 km (0.116 R)
• M20: 21,818,401 km (0.081 R)
• M21: 22,397,494 km (0.111 R)
• M22: 23,813,887 km (0.101 R)
• M23: 24,816,791 km (0.088 R)
• M24: 25,368,358 km (0.094 R)
• M25: 26,577,707 km (0.108 R)
• M26: 28,592,192 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.4

Radius: 7.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.79 AU - 6.07 AU

Year: 9968 Days

Day: 20.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,633,946 km

• M1: 101,278 km (0.115 R)
• M2: 357,539 km (0.089 R)
• M3: 890,556 km (0.062 R)
• M4: 1,511,537 km (0.109 R)
• M5: 1,969,606 km (0.112 R)
• M6: 4,035,403 km (0.092 R)
• M7: 4,974,129 km (0.053 R)
• M8: 7,463,887 km (0.11 R)
• M9: 10,208,110 km (0.113 R)
• M10: 17,315,505 km (0.101 R)
• M11: 20,943,552 km (0.094 R)
• M12: 25,737,715 km (0.086 R)
• M13: 28,249,314 km (0.051 R)
• M14: 30,431,049 km (0.051 R)
• M15: 31,215,540 km (0.095 R)
• M16: 35,773,040 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.6

Radius: 4.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.18 AU - 8.12 AU

Year: 13197 Days

Day: 23 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,633,946 km

• M1: 61,036 km (0.043 R)
• M2: 236,065 km (0.095 R)
• M3: 792,869 km (0.108 R)
• M4: 992,133 km (0.053 R)
• M5: 1,799,662 km (0.09 R)
• M6: 2,436,501 km (0.068 R)
• M7: 2,845,950 km (0.1 R)
• M8: 3,282,327 km (0.066 R)
• M9: 4,350,605 km (0.055 R)
• M10: 4,813,910 km (0.082 R)
• M11: 5,506,698 km (0.108 R)
• M12: 5,889,967 km (0.101 R)
• M13: 10,103,541 km (0.118 R)
• M14: 12,101,271 km (0.045 R)
• M15: 14,347,932 km (0.076 R)
• M16: 16,179,159 km (0.101 R)
• M17: 17,017,207 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.5

Radius: 7

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.03 AU - 9.47 AU

Year: 16357 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,633,946 km

• M1: 90,507 km (0.084 R)
• M2: 413,040 km (0.118 R)
• M3: 768,484 km (0.099 R)
• M4: 1,043,595 km (0.113 R)
• M5: 1,981,125 km (0.111 R)
• M6: 2,781,024 km (0.075 R)
• M7: 3,364,905 km (0.05 R)
• M8: 3,833,745 km (0.106 R)
• M9: 4,141,168 km (0.112 R)
• M10: 4,495,266 km (0.095 R)
• M11: 7,871,541 km (0.083 R)
• M12: 10,145,578 km (0.085 R)
• M13: 10,899,551 km (0.102 R)
• M14: 13,322,738 km (0.118 R)
• M15: 13,705,110 km (0.099 R)
• M16: 14,094,812 km (0.1 R)
• M17: 14,896,358 km (0.053 R)
• M18: 16,516,951 km (0.08 R)
• M19: 17,711,490 km (0.096 R)
• M20: 20,947,741 km (0.101 R)
• M21: 21,902,475 km (0.097 R)
• M22: 23,342,354 km (0.113 R)
• M23: 24,653,131 km (0.084 R)
• M24: 26,911,759 km (0.111 R)
• M25: 39,509,396 km (0.103 R)
• M26: 50,915,336 km (0.062 R)

Asteroid Belt

Center: 8.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.6

Radius: 4.5

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.22 AU - 12 AU

Year: 20563 Days

Day: 18.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,633,946 km

• M1: 70,311 km (0.069 R)
• M2: 338,839 km (0.073 R)
• M3: 559,346 km (0.109 R)
• M4: 729,439 km (0.064 R)
• M5: 1,266,496 km (0.1 R)
• M6: 1,907,522 km (0.038 R)
• M7: 2,359,158 km (0.104 R)
• M8: 3,852,594 km (0.069 R)
• M9: 5,372,957 km (0.033 R)
• M10: 7,081,814 km (0.102 R)
• M11: 7,559,779 km (0.057 R)
• M12: 8,725,445 km (0.092 R)
• M13: 9,072,213 km (0.068 R)
• M14: 14,113,063 km (0.088 R)
• M15: 15,650,331 km (0.119 R)
• M16: 18,080,548 km (0.101 R)
• M17: 19,053,234 km (0.066 R)
• M18: 19,636,366 km (0.045 R)
• M19: 19,889,934 km (0.108 R)
• M20: 30,204,109 km (0.065 R)
• M21: 36,296,931 km (0.025 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 14,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit