🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584

Radius: 12.1

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.58 AU - 0.92 AU

Year: 448 Days

Day: 9.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,536,172 km

• M1: 150,495 km (0.109 R)
• M2: 546,780 km (0.058 R)
• M3: 1,069,625 km (0.115 R)
• M4: 1,494,632 km (0.097 R)
• M5: 1,922,333 km (0.076 R)
• M6: 2,893,971 km (0.112 R)
• M7: 3,355,779 km (0.058 R)
• M8: 3,982,894 km (0.057 R)
• M9: 4,556,901 km (0.079 R)
• M10: 5,488,447 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.1

Radius: 14.7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.68 AU - 1.1 AU

Year: 580 Days

Day: 8.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 171.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,536,172 km

• M1: 187,297 km (0.072 R)
• M2: 677,828 km (0.038 R)
• M3: 1,168,210 km (0.036 R)
• M4: 1,630,318 km (0.105 R)
• M5: 2,341,955 km (0.11 R)
• M6: 2,821,865 km (0.051 R)
• M7: 3,305,215 km (0.107 R)
• M8: 4,519,052 km (0.062 R)
• M9: 4,984,451 km (0.113 R)
• M10: 5,715,686 km (0.117 R)
• M11: 6,946,278 km (0.062 R)
• M12: 7,415,566 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.9

Radius: 8.6

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.91 AU - 1.25 AU

Year: 775 Days

Day: 10.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,536,172 km

• M1: 106,962 km (0.103 R)
• M2: 741,257 km (0.113 R)
• M3: 1,023,100 km (0.109 R)
• M4: 1,577,809 km (0.049 R)
• M5: 1,999,226 km (0.11 R)
• M6: 2,268,203 km (0.083 R)
• M7: 2,795,236 km (0.086 R)
• M8: 3,265,572 km (0.062 R)
• M9: 4,030,615 km (0.087 R)
• M10: 5,812,027 km (0.114 R)
• M11: 6,177,345 km (0.079 R)
• M12: 7,507,120 km (0.102 R)
• M13: 7,891,886 km (0.108 R)
• M14: 8,239,402 km (0.089 R)
• M15: 9,018,358 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 14.3

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.87 AU - 1.31 AU

Year: 786 Days

Day: 14.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,536,172 km

• M1: 177,872 km (0.03 R)
• M2: 768,335 km (0.086 R)
• M3: 1,225,207 km (0.065 R)
• M4: 1,938,190 km (0.05 R)
• M5: 3,436,413 km (0.061 R)
• M6: 4,142,814 km (0.112 R)
• M7: 5,016,914 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.1

Radius: 9.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.95 AU - 1.49 AU

Year: 930 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,536,172 km

• M1: 122,521 km (0.091 R)
• M2: 449,093 km (0.066 R)
• M3: 813,812 km (0.063 R)
• M4: 1,206,058 km (0.051 R)
• M5: 1,549,834 km (0.096 R)
• M6: 1,978,282 km (0.095 R)
• M7: 2,385,787 km (0.089 R)
• M8: 3,426,689 km (0.088 R)
• M9: 4,018,199 km (0.104 R)
• M10: 5,215,879 km (0.11 R)
• M11: 5,897,298 km (0.074 R)
• M12: 6,333,824 km (0.047 R)
• M13: 7,897,571 km (0.119 R)
• M14: 8,506,584 km (0.083 R)
• M15: 9,064,733 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.9

Radius: 12.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.39 AU - 1.99 AU

Year: 1516 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,536,172 km

• M1: 157,975 km (0.102 R)
• M2: 811,419 km (0.108 R)
• M3: 1,510,789 km (0.031 R)
• M4: 2,188,916 km (0.101 R)
• M5: 2,639,804 km (0.087 R)
• M6: 3,047,907 km (0.115 R)
• M7: 3,817,887 km (0.093 R)
• M8: 4,381,422 km (0.092 R)
• M9: 5,630,864 km (0.102 R)
• M10: 6,048,691 km (0.073 R)
• M11: 7,538,685 km (0.081 R)
• M12: 8,853,950 km (0.084 R)
• M13: 10,112,816 km (0.069 R)
• M14: 11,672,673 km (0.034 R)
• M15: 12,588,362 km (0.095 R)
• M16: 13,966,756 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 9.1

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.22 AU - 4.42 AU

Year: 5154 Days

Day: 14.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,536,172 km

• M1: 113,246 km (0.113 R)
• M2: 446,101 km (0.104 R)
• M3: 912,697 km (0.104 R)
• M4: 2,689,171 km (0.047 R)
• M5: 3,379,865 km (0.101 R)
• M6: 4,231,077 km (0.1 R)
• M7: 4,978,168 km (0.065 R)
• M8: 5,523,303 km (0.101 R)
• M9: 5,957,735 km (0.098 R)
• M10: 7,060,870 km (0.114 R)
• M11: 7,820,677 km (0.117 R)
• M12: 8,519,898 km (0.109 R)
• M13: 9,380,684 km (0.094 R)
• M14: 10,212,747 km (0.1 R)
• M15: 10,602,749 km (0.119 R)
• M16: 12,409,293 km (0.082 R)
• M17: 13,462,612 km (0.075 R)
• M18: 14,144,030 km (0.053 R)
• M19: 14,903,239 km (0.107 R)
• M20: 15,746,522 km (0.047 R)
• M21: 17,899,984 km (0.066 R)
• M22: 23,077,267 km (0.081 R)
• M23: 24,512,210 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.8

Radius: 3.5

Gravity: 75.9 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.65 AU - 7.83 AU

Year: 14864 Days

Day: 21.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 75.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,536,172 km

• M1: 51,162 km (0.084 R)
• M2: 401,221 km (0.026 R)
• M3: 612,902 km (0.08 R)
• M4: 769,083 km (0.082 R)
• M5: 951,442 km (0.064 R)
• M6: 1,084,435 km (0.113 R)
• M7: 1,728,304 km (0.034 R)
• M8: 2,571,438 km (0.048 R)
• M9: 4,531,170 km (0.111 R)
• M10: 5,309,079 km (0.075 R)
• M11: 6,049,139 km (0.089 R)
• M12: 9,812,573 km (0.073 R)
• M13: 10,503,267 km (0.114 R)
• M14: 10,740,529 km (0.117 R)
• M15: 12,045,321 km (0.091 R)
• M16: 13,661,427 km (0.057 R)
• M17: 33,843,825 km (0.117 R)
• M18: 34,491,285 km (0.113 R)
• M19: 44,907,186 km (0.116 R)
• M20: 46,003,888 km (0.091 R)
• M21: 54,538,597 km (0.102 R)
• M22: 57,235,846 km (0.112 R)
• M23: 60,778,324 km (0.083 R)
• M24: 64,860,550 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.9

Radius: 5.6

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.76 AU - 9.94 AU

Year: 16655 Days

Day: 18.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,536,172 km

• M1: 69,713 km (0.081 R)
• M2: 382,971 km (0.059 R)
• M3: 593,904 km (0.091 R)
• M4: 842,236 km (0.098 R)
• M5: 1,490,144 km (0.091 R)
• M6: 2,009,997 km (0.053 R)
• M7: 2,643,245 km (0.084 R)
• M8: 2,873,625 km (0.116 R)
• M9: 3,508,668 km (0.103 R)
• M10: 3,816,092 km (0.037 R)
• M11: 4,202,354 km (0.082 R)
• M12: 4,484,795 km (0.095 R)
• M13: 4,746,292 km (0.045 R)
• M14: 4,983,554 km (0.074 R)
• M15: 5,336,006 km (0.059 R)
• M16: 6,090,877 km (0.086 R)
• M17: 6,660,097 km (0.097 R)
• M18: 10,271,240 km (0.057 R)
• M19: 11,194,708 km (0.081 R)
• M20: 12,235,011 km (0.094 R)
• M21: 12,941,712 km (0.119 R)
• M22: 13,539,804 km (0.089 R)
• M23: 16,809,415 km (0.052 R)
• M24: 23,756,441 km (0.091 R)
• M25: 28,571,398 km (0.061 R)
• M26: 30,853,514 km (0.071 R)
• M27: 48,873,624 km (0.113 R)
• M28: 56,566,396 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.8

Radius: 4.5

Gravity: 47.84 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.96 AU - 12.04 AU

Year: 21828 Days

Day: 15.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 90,536,172 km

• M1: 56,997 km (0.038 R)
• M2: 508,334 km (0.104 R)
• M3: 758,312 km (0.118 R)
• M4: 1,185,862 km (0.102 R)
• M5: 2,777,584 km (0.061 R)
• M6: 3,366,999 km (0.094 R)
• M7: 5,139,285 km (0.091 R)
• M8: 5,423,222 km (0.11 R)
• M9: 6,855,622 km (0.098 R)
• M10: 8,578,839 km (0.079 R)
• M11: 9,814,219 km (0.102 R)
• M12: 11,639,612 km (0.106 R)
• M13: 12,999,606 km (0.085 R)
• M14: 15,191,813 km (0.118 R)
• M15: 16,461,899 km (0.046 R)
• M16: 18,828,388 km (0.032 R)
• M17: 19,211,359 km (0.107 R)
• M18: 19,404,938 km (0.05 R)
• M19: 22,252,085 km (0.05 R)
• M20: 22,788,244 km (0.049 R)
• M21: 24,335,086 km (0.115 R)
• M22: 29,265,532 km (0.086 R)
• M23: 31,090,626 km (0.094 R)
• M24: 32,576,881 km (0.089 R)
• M25: 35,254,234 km (0.079 R)
• M26: 39,774,633 km (0.117 R)
• M27: 43,657,446 km (0.106 R)
• M28: 46,381,773 km (0.11 R)
• M29: 46,555,755 km (0.091 R)
• M30: 54,841,383 km (0.055 R)
• M31: 55,230,786 km (0.106 R)
• M32: 55,818,406 km (0.093 R)
• M33: 56,015,277 km (0.092 R)
• M34: 56,410,215 km (0.11 R)
• M35: 68,014,672 km (0.051 R)
• M36: 72,132,353 km (0.06 R)
• M37: 72,599,847 km (0.105 R)
• M38: 76,898,841 km (0.113 R)
• M39: 77,386,679 km (0.189 R)
• M40: 77,631,421 km (0.116 R)
• M41: 83,660,664 km (0.072 R)
• M42: 86,525,314 km (0.072 R)
• M43: 88,115,091 km (0.062 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 19,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit