🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386

Radius: 13

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.48 AU - 0.64 AU

Year: 279 Days

Day: 12.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,239,212 km

• M1: 161,715 km (0.116 R)
• M2: 566,527 km (0.084 R)
• M3: 1,041,201 km (0.103 R)
• M4: 1,506,002 km (0.088 R)
• M5: 2,047,845 km (0.098 R)
• M6: 2,830,841 km (0.103 R)
• M7: 3,532,155 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 10.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.74 AU - 2.54 AU

Year: 2088 Days

Day: 6 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,239,212 km

• M1: 134,339 km (0.114 R)
• M2: 986,149 km (0.108 R)
• M3: 1,359,545 km (0.114 R)
• M4: 1,717,533 km (0.091 R)
• M5: 2,225,268 km (0.108 R)
• M6: 3,323,018 km (0.05 R)
• M7: 3,728,577 km (0.115 R)
• M8: 4,252,170 km (0.091 R)
• M9: 4,604,024 km (0.083 R)
• M10: 6,573,031 km (0.084 R)
• M11: 8,765,687 km (0.104 R)
• M12: 10,463,623 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.3

Radius: 14.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.48 AU - 5.56 AU

Year: 6408 Days

Day: 9.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,239,212 km

• M1: 182,809 km (0.116 R)
• M2: 724,951 km (0.032 R)
• M3: 1,537,866 km (0.044 R)
• M4: 2,238,882 km (0.034 R)
• M5: 2,876,019 km (0.078 R)
• M6: 3,699,705 km (0.078 R)
• M7: 4,366,463 km (0.105 R)
• M8: 4,890,953 km (0.116 R)
• M9: 5,942,476 km (0.087 R)
• M10: 7,609,894 km (0.027 R)
• M11: 8,178,067 km (0.081 R)
• M12: 8,815,204 km (0.114 R)
• M13: 10,416,500 km (0.085 R)
• M14: 11,652,777 km (0.116 R)
• M15: 13,038,053 km (0.081 R)
• M16: 13,632,854 km (0.057 R)
• M17: 14,645,482 km (0.103 R)
• M18: 15,170,271 km (0.059 R)
• M19: 16,319,632 km (0.1 R)
• M20: 17,331,811 km (0.09 R)
• M21: 18,520,216 km (0.057 R)
• M22: 19,903,548 km (0.1 R)
• M23: 23,662,494 km (0.047 R)
• M24: 25,124,514 km (0.068 R)
• M25: 28,138,611 km (0.116 R)
• M26: 29,409,146 km (0.05 R)
• M27: 30,622,834 km (0.079 R)
• M28: 31,386,232 km (0.079 R)
• M29: 33,450,533 km (0.04 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.9

Radius: 4.5

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.62 AU - 8.92 AU

Year: 13072 Days

Day: 19.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,239,212 km

• M1: 56,398 km (0.068 R)
• M2: 317,447 km (0.068 R)
• M3: 648,806 km (0.1 R)
• M4: 946,955 km (0.045 R)
• M5: 1,445,415 km (0.114 R)
• M6: 1,666,969 km (0.082 R)
• M7: 2,272,990 km (0.054 R)
• M8: 4,614,945 km (0.092 R)
• M9: 5,669,610 km (0.074 R)
• M10: 6,943,436 km (0.092 R)
• M11: 7,466,729 km (0.11 R)
• M12: 8,053,452 km (0.068 R)
• M13: 9,997,775 km (0.105 R)
• M14: 10,483,819 km (0.11 R)
• M15: 12,738,707 km (0.072 R)
• M16: 12,996,165 km (0.114 R)
• M17: 14,446,666 km (0.079 R)
• M18: 14,670,315 km (0.118 R)
• M19: 16,973,823 km (0.067 R)
• M20: 20,405,299 km (0.082 R)
• M21: 20,828,661 km (0.111 R)
• M22: 21,402,369 km (0.078 R)
• M23: 21,620,183 km (0.053 R)
• M24: 23,034,183 km (0.08 R)
• M25: 25,553,111 km (0.079 R)
• M26: 25,962,561 km (0.115 R)
• M27: 26,710,700 km (0.12 R)
• M28: 28,511,858 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.1

Radius: 5.9

Gravity: 22.96 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.55 AU - 9.01 AU

Year: 14471 Days

Day: 20.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,239,212 km

• M1: 82,428 km (0.039 R)
• M2: 462,108 km (0.119 R)
• M3: 750,682 km (0.064 R)
• M4: 1,105,229 km (0.118 R)
• M5: 1,662,332 km (0.055 R)
• M6: 2,147,029 km (0.064 R)
• M7: 3,639,716 km (0.082 R)
• M8: 5,641,485 km (0.119 R)
• M9: 6,556,725 km (0.101 R)
• M10: 6,897,210 km (0.12 R)
• M11: 8,328,712 km (0.1 R)
• M12: 9,457,577 km (0.075 R)
• M13: 10,340,354 km (0.06 R)
• M14: 10,627,134 km (0.047 R)
• M15: 11,096,871 km (0.108 R)
• M16: 15,590,641 km (0.089 R)
• M17: 16,583,971 km (0.103 R)
• M18: 20,618,327 km (0.102 R)
• M19: 23,250,052 km (0.095 R)
• M20: 23,643,495 km (0.074 R)
• M21: 24,544,672 km (0.098 R)
• M22: 28,829,006 km (0.113 R)
• M23: 30,089,069 km (0.104 R)
• M24: 31,265,955 km (0.11 R)
• M25: 33,212,373 km (0.084 R)
• M26: 35,887,781 km (0.058 R)
• M27: 36,149,877 km (0.095 R)
• M28: 39,813,678 km (0.036 R)
• M29: 43,271,633 km (0.096 R)
• M30: 45,378,569 km (0.114 R)
• M31: 46,612,602 km (0.113 R)
• M32: 48,505,614 km (0.103 R)
• M33: 48,986,720 km (0.081 R)
• M34: 50,285,230 km (0.04 R)
• M35: 55,010,727 km (0.098 R)
• M36: 59,472,633 km (0.116 R)
• M37: 62,830,507 km (0.059 R)
• M38: 63,402,270 km (0.094 R)
• M39: 64,169,857 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.2

Radius: 7.6

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.63 AU - 9.55 AU

Year: 16789 Days

Day: 18 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,239,212 km

• M1: 94,546 km (0.074 R)
• M2: 388,506 km (0.105 R)
• M3: 824,733 km (0.071 R)
• M4: 1,186,311 km (0.113 R)
• M5: 1,446,312 km (0.031 R)
• M6: 1,809,087 km (0.09 R)
• M7: 2,675,408 km (0.069 R)
• M8: 3,010,657 km (0.113 R)
• M9: 3,501,189 km (0.101 R)
• M10: 4,335,496 km (0.036 R)
• M11: 4,767,535 km (0.047 R)
• M12: 6,275,930 km (0.088 R)
• M13: 7,987,330 km (0.094 R)
• M14: 11,476,251 km (0.09 R)
• M15: 14,407,921 km (0.096 R)
• M16: 16,446,491 km (0.076 R)
• M17: 17,419,924 km (0.084 R)
• M18: 20,400,063 km (0.1 R)
• M19: 23,053,181 km (0.079 R)
• M20: 25,139,025 km (0.115 R)
• M21: 30,563,443 km (0.077 R)
• M22: 31,122,790 km (0.119 R)
• M23: 32,609,194 km (0.07 R)
• M24: 33,665,505 km (0.095 R)
• M25: 34,382,378 km (0.098 R)
• M26: 35,846,343 km (0.119 R)
• M27: 39,952,954 km (0.043 R)
• M28: 42,533,966 km (0.056 R)
• M29: 52,680,741 km (0.091 R)
• M30: 53,323,413 km (0.029 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.7

Radius: 4.7

Gravity: 38.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.28 AU - 11.4 AU

Year: 20584 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,239,212 km

• M1: 59,390 km (0.119 R)
• M2: 412,142 km (0.039 R)
• M3: 611,107 km (0.077 R)
• M4: 1,124,228 km (0.108 R)
• M5: 1,659,639 km (0.1 R)
• M6: 1,864,887 km (0.091 R)
• M7: 2,172,311 km (0.065 R)
• M8: 3,185,687 km (0.04 R)
• M9: 4,917,132 km (0.08 R)
• M10: 6,309,589 km (0.113 R)
• M11: 6,534,435 km (0.071 R)
• M12: 6,764,666 km (0.106 R)
• M13: 8,207,837 km (0.04 R)
• M14: 8,368,056 km (0.09 R)
• M15: 9,665,967 km (0.106 R)
• M16: 12,724,645 km (0.065 R)
• M17: 14,125,330 km (0.099 R)
• M18: 15,462,885 km (0.108 R)
• M19: 16,968,886 km (0.044 R)
• M20: 17,316,402 km (0.106 R)
• M21: 20,561,779 km (0.1 R)
• M22: 21,558,549 km (0.091 R)
• M23: 22,796,771 km (0.107 R)
• M24: 25,300,889 km (0.096 R)
• M25: 26,444,565 km (0.119 R)
• M26: 26,677,489 km (0.081 R)
• M27: 29,205,244 km (0.11 R)
• M28: 29,829,815 km (0.099 R)
• M29: 38,181,416 km (0.094 R)
• M30: 42,011,420 km (0.079 R)
• M31: 43,612,417 km (0.109 R)
• M32: 53,894,278 km (0.111 R)
• M33: 54,644,512 km (0.103 R)
• M34: 60,092,866 km (0.063 R)
• M35: 61,713,460 km (0.099 R)
• M36: 67,832,462 km (0.035 R)
• M37: 68,268,839 km (0.081 R)
• M38: 75,039,938 km (0.204 R)
• M39: 76,445,858 km (0.194 R)
• M40: 77,155,251 km (0.101 R)
• M41: 82,245,020 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 19,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit