🌌 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: 68.3

Radius: 12.7

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.45 AU - 0.67 AU

Year: 289 Days

Day: 11.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,562,030 km

• M1: 159,471 km (0.036 R)
• M2: 557,701 km (0.117 R)
• M3: 1,028,336 km (0.041 R)
• M4: 1,464,114 km (0.109 R)
• M5: 2,031,240 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.2

Radius: 13.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.65 AU - 1.03 AU

Year: 531 Days

Day: 10 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,562,030 km

• M1: 168,298 km (0.107 R)
• M2: 590,313 km (0.077 R)
• M3: 1,045,091 km (0.105 R)
• M4: 2,103,196 km (0.055 R)
• M5: 2,519,827 km (0.104 R)
• M6: 3,439,554 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.1

Radius: 14.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.24 AU - 1.78 AU

Year: 1281 Days

Day: 14.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,562,030 km

• M1: 181,612 km (0.083 R)
• M2: 799,750 km (0.092 R)
• M3: 1,659,938 km (0.036 R)
• M4: 2,353,324 km (0.078 R)
• M5: 3,023,223 km (0.12 R)
• M6: 3,803,975 km (0.117 R)
• M7: 5,162,473 km (0.055 R)
• M8: 6,301,960 km (0.099 R)
• M9: 7,603,312 km (0.093 R)
• M10: 8,244,638 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.5

Radius: 14.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.46 AU - 1.8 AU

Year: 1436 Days

Day: 12.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,562,030 km

• M1: 188,793 km (0.048 R)
• M2: 799,301 km (0.108 R)
• M3: 1,298,659 km (0.035 R)
• M4: 2,295,430 km (0.114 R)
• M5: 3,340,221 km (0.075 R)
• M6: 4,015,656 km (0.119 R)
• M7: 5,043,543 km (0.11 R)
• M8: 5,575,961 km (0.117 R)
• M9: 9,667,314 km (0.119 R)
• M10: 12,360,823 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.4

Radius: 10.2

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.87 AU - 2.25 AU

Year: 2041 Days

Day: 8.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,562,030 km

• M1: 140,323 km (0.038 R)
• M2: 460,462 km (0.109 R)
• M3: 799,601 km (0.103 R)
• M4: 1,424,321 km (0.104 R)
• M5: 2,445,925 km (0.048 R)
• M6: 2,889,034 km (0.079 R)
• M7: 3,315,687 km (0.061 R)
• M8: 3,841,225 km (0.096 R)
• M9: 4,400,421 km (0.102 R)
• M10: 5,198,526 km (0.106 R)
• M11: 5,607,527 km (0.072 R)
• M12: 6,795,334 km (0.093 R)
• M13: 7,373,978 km (0.118 R)
• M14: 7,706,086 km (0.115 R)
• M15: 9,554,966 km (0.118 R)
• M16: 9,950,203 km (0.093 R)
• M17: 10,469,158 km (0.116 R)
• M18: 10,812,186 km (0.1 R)
• M19: 11,927,588 km (0.025 R)
• M20: 12,302,031 km (0.069 R)
• M21: 12,813,357 km (0.106 R)
• M22: 15,098,315 km (0.04 R)
• M23: 15,487,568 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.7

Radius: 9

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.48 AU - 3.56 AU

Year: 4559 Days

Day: 13 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,562,030 km

• M1: 112,049 km (0.079 R)
• M2: 446,998 km (0.052 R)
• M3: 893,099 km (0.089 R)
• M4: 1,329,476 km (0.09 R)
• M5: 1,646,773 km (0.084 R)
• M6: 2,057,270 km (0.114 R)
• M7: 2,502,324 km (0.036 R)
• M8: 2,881,853 km (0.059 R)
• M9: 3,933,975 km (0.085 R)
• M10: 4,851,459 km (0.07 R)
• M11: 5,875,905 km (0.064 R)
• M12: 9,810,778 km (0.105 R)
• M13: 12,292,756 km (0.09 R)
• M14: 13,809,529 km (0.106 R)
• M15: 15,675,014 km (0.083 R)
• M16: 16,195,615 km (0.097 R)
• M17: 16,907,701 km (0.102 R)
• M18: 17,826,980 km (0.064 R)
• M19: 18,458,133 km (0.108 R)
• M20: 19,631,579 km (0.101 R)
• M21: 20,372,836 km (0.085 R)
• M22: 21,272,668 km (0.034 R)
• M23: 22,781,811 km (0.081 R)
• M24: 23,751,205 km (0.105 R)
• M25: 24,747,677 km (0.068 R)
• M26: 27,485,617 km (0.037 R)
• M27: 28,755,404 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.8

Radius: 6.8

Gravity: 17.92 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.31 AU - 7.99 AU

Year: 13197 Days

Day: 20.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,562,030 km

• M1: 103,073 km (0.05 R)
• M2: 644,767 km (0.079 R)
• M3: 1,305,989 km (0.068 R)
• M4: 1,774,829 km (0.085 R)
• M5: 2,693,210 km (0.076 R)
• M6: 3,505,377 km (0.094 R)
• M7: 3,982,744 km (0.111 R)
• M8: 5,066,581 km (0.099 R)
• M9: 7,618,272 km (0.111 R)
• M10: 7,940,954 km (0.055 R)
• M11: 8,466,791 km (0.08 R)
• M12: 8,813,259 km (0.052 R)
• M13: 9,066,379 km (0.066 R)
• M14: 10,977,492 km (0.112 R)
• M15: 12,816,648 km (0.092 R)
• M16: 13,606,674 km (0.111 R)
• M17: 14,013,730 km (0.049 R)
• M18: 15,575,831 km (0.037 R)
• M19: 17,647,313 km (0.047 R)
• M20: 17,888,165 km (0.114 R)
• M21: 21,223,749 km (0.097 R)
• M22: 23,181,088 km (0.088 R)
• M23: 24,451,323 km (0.1 R)
• M24: 26,600,147 km (0.085 R)
• M25: 28,209,970 km (0.053 R)
• M26: 28,760,639 km (0.086 R)
• M27: 34,920,481 km (0.043 R)
• M28: 35,300,460 km (0.098 R)
• M29: 42,333,654 km (0.114 R)
• M30: 45,120,064 km (0.094 R)
• M31: 45,721,896 km (0.077 R)
• M32: 48,339,410 km (0.093 R)
• M33: 53,032,146 km (0.081 R)
• M34: 54,718,264 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.1

Radius: 6.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.58 AU - 9.78 AU

Year: 16149 Days

Day: 24.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,562,030 km

• M1: 86,916 km (0.092 R)
• M2: 420,370 km (0.059 R)
• M3: 680,670 km (0.086 R)
• M4: 1,157,588 km (0.118 R)
• M5: 2,168,571 km (0.096 R)
• M6: 2,636,513 km (0.111 R)
• M7: 4,420,916 km (0.059 R)
• M8: 4,771,574 km (0.102 R)
• M9: 5,300,103 km (0.091 R)
• M10: 6,473,399 km (0.077 R)
• M11: 7,199,697 km (0.116 R)
• M12: 7,810,505 km (0.1 R)
• M13: 8,455,421 km (0.062 R)
• M14: 10,809,793 km (0.117 R)
• M15: 12,391,790 km (0.097 R)
• M16: 15,939,952 km (0.081 R)
• M17: 17,045,929 km (0.116 R)
• M18: 22,575,067 km (0.105 R)
• M19: 29,598,687 km (0.106 R)
• M20: 30,009,482 km (0.09 R)
• M21: 35,702,729 km (0.098 R)
• M22: 39,417,693 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.2

Radius: 5.8

Gravity: 19.57 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.08 AU - 8.94 AU

Year: 17136 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,562,030 km

• M1: 72,854 km (0.073 R)
• M2: 480,060 km (0.111 R)
• M3: 698,772 km (0.08 R)
• M4: 1,359,994 km (0.091 R)
• M5: 2,166,776 km (0.076 R)
• M6: 2,548,101 km (0.067 R)
• M7: 2,731,358 km (0.052 R)
• M8: 3,023,074 km (0.046 R)
• M9: 3,555,193 km (0.093 R)
• M10: 4,467,591 km (0.032 R)
• M11: 9,806,888 km (0.079 R)
• M12: 10,202,276 km (0.111 R)
• M13: 11,206,676 km (0.08 R)
• M14: 13,069,618 km (0.099 R)
• M15: 15,887,294 km (0.113 R)
• M16: 19,172,463 km (0.041 R)
• M17: 20,421,605 km (0.043 R)
• M18: 21,629,309 km (0.046 R)
• M19: 22,982,272 km (0.106 R)
• M20: 25,011,567 km (0.07 R)
• M21: 26,392,954 km (0.114 R)
• M22: 26,609,871 km (0.047 R)
• M23: 27,047,295 km (0.041 R)
• M24: 28,049,002 km (0.097 R)
• M25: 31,444,874 km (0.063 R)
• M26: 38,759,013 km (0.087 R)
• M27: 41,039,782 km (0.057 R)
• M28: 44,780,028 km (0.079 R)
• M29: 50,890,652 km (0.078 R)
• M30: 55,377,242 km (0.08 R)
• M31: 59,933,096 km (0.026 R)
• M32: 60,120,392 km (0.094 R)
• M33: 61,062,560 km (0.111 R)
• M34: 61,823,265 km (0.082 R)
• M35: 62,783,234 km (0.113 R)
• M36: 67,731,782 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.3

Radius: 7.5

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.37 AU - 12.01 AU

Year: 22453 Days

Day: 21.5 Hours

Environment

Temp: -246 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,562,030 km

• M1: 112,348 km (0.096 R)
• M2: 471,981 km (0.077 R)
• M3: 1,538,016 km (0.107 R)
• M4: 2,823,660 km (0.094 R)
• M5: 3,361,464 km (0.07 R)
• M6: 4,277,751 km (0.109 R)
• M7: 4,846,223 km (0.098 R)
• M8: 5,240,114 km (0.058 R)
• M9: 5,655,099 km (0.081 R)
• M10: 9,637,394 km (0.117 R)
• M11: 12,958,467 km (0.09 R)
• M12: 13,647,515 km (0.101 R)
• M13: 21,840,242 km (0.071 R)
• M14: 23,414,161 km (0.113 R)
• M15: 25,699,568 km (0.101 R)
• M16: 33,186,792 km (0.111 R)
• M17: 51,584,787 km (0.105 R)
• M18: 55,611,213 km (0.103 R)
• M19: 60,220,024 km (0.102 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 17,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit