🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 13.4

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.49 AU - 0.67 AU

Year: 305 Days

Day: 12.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,052,409 km

• M1: 167,550 km (0.099 R)
• M2: 732,880 km (0.09 R)
• M3: 1,482,365 km (0.103 R)
• M4: 2,027,350 km (0.086 R)
• M5: 2,511,299 km (0.12 R)
• M6: 2,980,289 km (0.057 R)
• M7: 3,451,223 km (0.068 R)
• M8: 4,059,787 km (0.089 R)
• M9: 4,641,424 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.9

Radius: 8

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.84 AU - 1.08 AU

Year: 649 Days

Day: 6.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,052,409 km

• M1: 99,931 km (0.084 R)
• M2: 369,956 km (0.112 R)
• M3: 749,485 km (0.054 R)
• M4: 1,262,307 km (0.082 R)
• M5: 1,573,919 km (0.115 R)
• M6: 1,882,988 km (0.078 R)
• M7: 2,832,037 km (0.112 R)
• M8: 3,087,550 km (0.114 R)
• M9: 3,439,105 km (0.085 R)
• M10: 3,773,756 km (0.119 R)
• M11: 4,023,884 km (0.088 R)
• M12: 5,353,809 km (0.052 R)
• M13: 5,689,506 km (0.062 R)
• M14: 6,320,959 km (0.103 R)
• M15: 6,717,543 km (0.03 R)
• M16: 7,219,593 km (0.108 R)
• M17: 7,629,940 km (0.116 R)
• M18: 8,103,866 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 13.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.23 AU - 1.23 AU

Year: 942 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,052,409 km

• M1: 166,951 km (0.109 R)
• M2: 605,423 km (0.089 R)
• M3: 1,176,587 km (0.072 R)
• M4: 1,633,010 km (0.038 R)
• M5: 2,337,018 km (0.116 R)
• M6: 3,779,889 km (0.055 R)
• M7: 4,412,838 km (0.093 R)
• M8: 5,035,913 km (0.118 R)
• M9: 5,874,708 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.8

Radius: 8.1

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.43 AU - 2.13 AU

Year: 1639 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,052,409 km

• M1: 100,829 km (0.074 R)
• M2: 504,893 km (0.078 R)
• M3: 780,751 km (0.109 R)
• M4: 1,075,010 km (0.08 R)
• M5: 2,084,347 km (0.102 R)
• M6: 2,846,099 km (0.062 R)
• M7: 5,037,110 km (0.091 R)
• M8: 5,948,610 km (0.107 R)
• M9: 6,472,651 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.5

Radius: 12.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.87 AU - 4.17 AU

Year: 4559 Days

Day: 8.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,052,409 km

• M1: 152,440 km (0.101 R)
• M2: 705,504 km (0.106 R)
• M3: 1,218,325 km (0.108 R)
• M4: 1,647,671 km (0.054 R)
• M5: 2,408,526 km (0.119 R)
• M6: 2,934,362 km (0.057 R)
• M7: 4,516,061 km (0.109 R)
• M8: 4,918,628 km (0.032 R)
• M9: 6,776,335 km (0.095 R)
• M10: 7,156,164 km (0.118 R)
• M11: 8,283,234 km (0.092 R)
• M12: 9,525,196 km (0.086 R)
• M13: 11,574,238 km (0.09 R)
• M14: 12,118,774 km (0.109 R)
• M15: 13,079,192 km (0.113 R)
• M16: 14,856,714 km (0.077 R)
• M17: 15,300,421 km (0.05 R)
• M18: 16,317,837 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 8.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.51 AU - 3.61 AU

Year: 4636 Days

Day: 14.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 154.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,052,409 km

• M1: 105,766 km (0.095 R)
• M2: 1,502,711 km (0.111 R)
• M3: 2,137,006 km (0.106 R)
• M4: 2,522,519 km (0.042 R)
• M5: 2,908,631 km (0.063 R)
• M6: 3,518,841 km (0.099 R)
• M7: 3,872,939 km (0.094 R)
• M8: 5,698,482 km (0.077 R)
• M9: 6,947,475 km (0.118 R)
• M10: 9,035,412 km (0.063 R)
• M11: 9,942,274 km (0.073 R)
• M12: 12,574,748 km (0.091 R)
• M13: 15,082,009 km (0.11 R)
• M14: 15,733,657 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.5

Radius: 9.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.12 AU - 4.82 AU

Year: 6523 Days

Day: 8.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,052,409 km

• M1: 126,709 km (0.108 R)
• M2: 470,186 km (0.054 R)
• M3: 969,544 km (0.062 R)
• M4: 1,438,084 km (0.084 R)
• M5: 1,980,227 km (0.063 R)
• M6: 2,326,845 km (0.105 R)
• M7: 2,683,935 km (0.06 R)
• M8: 3,061,221 km (0.113 R)
• M9: 3,473,812 km (0.038 R)
• M10: 4,432,585 km (0.103 R)
• M11: 4,985,349 km (0.069 R)
• M12: 5,460,173 km (0.112 R)
• M13: 6,095,964 km (0.059 R)
• M14: 6,894,367 km (0.106 R)
• M15: 7,886,052 km (0.092 R)
• M16: 8,204,546 km (0.078 R)
• M17: 9,352,709 km (0.12 R)
• M18: 10,642,991 km (0.046 R)
• M19: 11,310,945 km (0.051 R)
• M20: 11,881,811 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.7

Radius: 14.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.45 AU - 6.37 AU

Year: 8686 Days

Day: 7.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,052,409 km

• M1: 180,565 km (0.064 R)
• M2: 790,774 km (0.12 R)
• M3: 1,423,125 km (0.113 R)
• M4: 1,879,099 km (0.102 R)
• M5: 2,549,148 km (0.033 R)
• M6: 3,025,168 km (0.101 R)
• M7: 3,539,934 km (0.059 R)
• M8: 4,326,370 km (0.048 R)
• M9: 6,034,180 km (0.096 R)
• M10: 6,532,041 km (0.085 R)
• M11: 8,381,819 km (0.103 R)
• M12: 9,123,376 km (0.113 R)
• M13: 9,655,795 km (0.04 R)
• M14: 10,963,878 km (0.072 R)
• M15: 13,195,280 km (0.119 R)
• M16: 17,211,534 km (0.112 R)
• M17: 18,282,356 km (0.11 R)
• M18: 19,263,568 km (0.026 R)
• M19: 20,695,968 km (0.118 R)
• M20: 21,331,160 km (0.098 R)
• M21: 21,834,108 km (0.097 R)
• M22: 22,714,791 km (0.107 R)
• M23: 23,619,110 km (0.041 R)
• M24: 24,235,154 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.2

Radius: 3.3

Gravity: 58.6 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.19 AU - 7.09 AU

Year: 10502 Days

Day: 19.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,052,409 km

• M1: 41,289 km (0.098 R)
• M2: 606,320 km (0.088 R)
• M3: 1,136,345 km (0.101 R)
• M4: 1,385,426 km (0.116 R)
• M5: 1,762,113 km (0.096 R)
• M6: 2,671,968 km (0.108 R)
• M7: 2,907,734 km (0.092 R)
• M8: 3,087,850 km (0.1 R)
• M9: 3,545,320 km (0.094 R)
• M10: 4,046,473 km (0.112 R)
• M11: 5,486,502 km (0.082 R)
• M12: 5,657,343 km (0.068 R)
• M13: 5,796,618 km (0.097 R)
• M14: 5,902,534 km (0.049 R)
• M15: 6,603,848 km (0.086 R)
• M16: 7,864,210 km (0.096 R)
• M17: 8,258,251 km (0.032 R)
• M18: 9,228,543 km (0.094 R)
• M19: 10,118,650 km (0.118 R)
• M20: 12,067,761 km (0.105 R)
• M21: 12,240,696 km (0.044 R)
• M22: 12,415,277 km (0.095 R)
• M23: 13,009,180 km (0.072 R)
• M24: 14,970,259 km (0.058 R)
• M25: 19,704,134 km (0.082 R)
• M26: 20,104,757 km (0.103 R)
• M27: 20,674,875 km (0.07 R)
• M28: 24,323,716 km (0.088 R)
• M29: 25,251,672 km (0.071 R)
• M30: 27,474,846 km (0.094 R)
• M31: 29,407,201 km (0.107 R)
• M32: 31,645,934 km (0.074 R)
• M33: 33,313,052 km (0.042 R)
• M34: 34,340,790 km (0.076 R)
• M35: 39,165,022 km (0.114 R)
• M36: 45,945,695 km (0.079 R)
• M37: 46,649,702 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.3

Radius: 3.6

Gravity: 39.53 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.22 AU - 8.18 AU

Year: 11971 Days

Day: 22.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,052,409 km

• M1: 44,879 km (0.07 R)
• M2: 182,210 km (0.113 R)
• M3: 350,059 km (0.059 R)
• M4: 525,089 km (0.089 R)
• M5: 688,898 km (0.086 R)
• M6: 1,561,951 km (0.117 R)
• M7: 1,727,107 km (0.081 R)
• M8: 2,005,210 km (0.112 R)
• M9: 2,755,144 km (0.102 R)
• M10: 2,885,294 km (0.032 R)
• M11: 3,204,835 km (0.114 R)
• M12: 4,540,445 km (0.052 R)
• M13: 5,068,226 km (0.067 R)
• M14: 6,469,510 km (0.076 R)
• M15: 7,507,270 km (0.098 R)
• M16: 7,676,316 km (0.07 R)
• M17: 11,444,387 km (0.117 R)
• M18: 12,831,757 km (0.094 R)
• M19: 13,816,411 km (0.116 R)
• M20: 15,116,865 km (0.038 R)
• M21: 16,214,315 km (0.034 R)
• M22: 17,958,327 km (0.093 R)
• M23: 22,857,059 km (0.072 R)
• M24: 24,299,332 km (0.109 R)
• M25: 24,762,188 km (0.108 R)
• M26: 25,705,552 km (0.088 R)
• M27: 30,461,418 km (0.094 R)
• M28: 31,983,726 km (0.12 R)
• M29: 32,651,381 km (0.119 R)
• M30: 34,710,296 km (0.084 R)
• M31: 36,853,884 km (0.032 R)
• M32: 37,834,349 km (0.078 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 17,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit