🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 12

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.56 AU - 0.88 AU

Year: 407 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,155,281 km

• M1: 149,299 km (0.064 R)
• M2: 566,677 km (0.075 R)
• M3: 1,506,899 km (0.118 R)
• M4: 1,951,803 km (0.118 R)
• M5: 2,502,623 km (0.075 R)
• M6: 3,771,811 km (0.074 R)
• M7: 4,874,796 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.3

Radius: 14.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.73 AU - 1.09 AU

Year: 579 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,155,281 km

• M1: 185,352 km (0.104 R)
• M2: 704,905 km (0.095 R)
• M3: 1,252,733 km (0.097 R)
• M4: 1,778,719 km (0.025 R)
• M5: 2,366,788 km (0.103 R)
• M6: 3,201,544 km (0.112 R)
• M7: 4,327,717 km (0.075 R)
• M8: 4,878,686 km (0.092 R)
• M9: 5,390,460 km (0.118 R)
• M10: 6,484,320 km (0.098 R)
• M11: 6,981,882 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.2

Radius: 11.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.11 AU - 1.21 AU

Year: 833 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,155,281 km

• M1: 141,819 km (0.04 R)
• M2: 556,953 km (0.086 R)
• M3: 1,256,622 km (0.116 R)
• M4: 2,176,200 km (0.108 R)
• M5: 2,666,732 km (0.045 R)
• M6: 3,063,016 km (0.113 R)
• M7: 4,162,411 km (0.098 R)
• M8: 4,938,675 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.7

Radius: 13.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.44 AU - 1.44 AU

Year: 1152 Days

Day: 8.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,155,281 km

• M1: 164,109 km (0.103 R)
• M2: 605,722 km (0.118 R)
• M3: 1,150,108 km (0.105 R)
• M4: 1,779,915 km (0.03 R)
• M5: 2,859,264 km (0.074 R)
• M6: 3,309,105 km (0.087 R)
• M7: 3,790,660 km (0.119 R)
• M8: 4,583,380 km (0.095 R)
• M9: 5,263,003 km (0.114 R)
• M10: 6,052,580 km (0.034 R)
• M11: 6,590,983 km (0.064 R)
• M12: 7,559,629 km (0.074 R)
• M13: 8,265,432 km (0.117 R)
• M14: 8,760,302 km (0.115 R)
• M15: 9,688,856 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.2

Radius: 11

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.42 AU - 4 AU

Year: 4765 Days

Day: 8 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,155,281 km

• M1: 140,472 km (0.062 R)
• M2: 526,585 km (0.083 R)
• M3: 926,460 km (0.027 R)
• M4: 1,791,435 km (0.109 R)
• M5: 2,144,037 km (0.098 R)
• M6: 3,846,161 km (0.119 R)
• M7: 4,352,251 km (0.102 R)
• M8: 4,807,627 km (0.096 R)
• M9: 5,421,576 km (0.109 R)
• M10: 6,004,260 km (0.102 R)
• M11: 6,835,875 km (0.1 R)
• M12: 7,295,290 km (0.103 R)
• M13: 7,709,975 km (0.066 R)
• M14: 8,140,368 km (0.091 R)
• M15: 10,418,594 km (0.112 R)
• M16: 11,236,446 km (0.094 R)
• M17: 13,996,227 km (0.037 R)
• M18: 14,488,255 km (0.057 R)
• M19: 17,291,120 km (0.115 R)
• M20: 17,800,651 km (0.112 R)
• M21: 21,914,143 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.2

Radius: 13.5

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.72 AU - 5.72 AU

Year: 6838 Days

Day: 11.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,155,281 km

• M1: 171,140 km (0.085 R)
• M2: 626,067 km (0.064 R)
• M3: 1,154,297 km (0.092 R)
• M4: 2,009,997 km (0.047 R)
• M5: 2,439,044 km (0.089 R)
• M6: 3,274,997 km (0.09 R)
• M7: 4,455,922 km (0.118 R)
• M8: 5,042,047 km (0.087 R)
• M9: 5,596,905 km (0.096 R)
• M10: 6,551,190 km (0.111 R)
• M11: 7,884,855 km (0.104 R)
• M12: 8,857,391 km (0.096 R)
• M13: 9,431,398 km (0.109 R)
• M14: 12,730,779 km (0.089 R)
• M15: 14,745,413 km (0.107 R)
• M16: 16,220,299 km (0.053 R)
• M17: 18,093,264 km (0.096 R)
• M18: 19,847,000 km (0.118 R)
• M19: 20,965,543 km (0.093 R)
• M20: 22,475,135 km (0.049 R)
• M21: 23,472,654 km (0.071 R)
• M22: 25,479,809 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.9

Radius: 14.3

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.96 AU - 5.02 AU

Year: 7433 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,155,281 km

• M1: 190,887 km (0.097 R)
• M2: 671,395 km (0.062 R)
• M3: 1,256,473 km (0.113 R)
• M4: 1,749,098 km (0.101 R)
• M5: 2,631,127 km (0.099 R)
• M6: 3,364,905 km (0.102 R)
• M7: 3,893,733 km (0.076 R)
• M8: 4,733,875 km (0.051 R)
• M9: 5,369,367 km (0.077 R)
• M10: 5,993,040 km (0.03 R)
• M11: 10,157,995 km (0.105 R)
• M12: 12,353,194 km (0.074 R)
• M13: 13,621,634 km (0.08 R)
• M14: 18,310,480 km (0.077 R)
• M15: 19,575,031 km (0.059 R)
• M16: 21,620,782 km (0.062 R)
• M17: 23,805,509 km (0.05 R)
• M18: 24,506,525 km (0.118 R)
• M19: 32,185,982 km (0.115 R)
• M20: 38,271,474 km (0.118 R)
• M21: 41,836,690 km (0.118 R)
• M22: 42,729,341 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.6

Radius: 5.4

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.98 AU - 6.56 AU

Year: 10470 Days

Day: 15.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,155,281 km

• M1: 67,319 km (0.084 R)
• M2: 321,486 km (0.087 R)
• M3: 762,052 km (0.078 R)
• M4: 1,052,870 km (0.083 R)
• M5: 1,320,351 km (0.042 R)
• M6: 1,992,344 km (0.086 R)
• M7: 3,284,122 km (0.085 R)
• M8: 3,460,797 km (0.091 R)
• M9: 3,667,093 km (0.088 R)
• M10: 5,111,909 km (0.07 R)
• M11: 6,721,582 km (0.11 R)
• M12: 7,795,844 km (0.114 R)
• M13: 7,991,967 km (0.107 R)
• M14: 8,191,381 km (0.033 R)
• M15: 8,894,491 km (0.12 R)
• M16: 9,772,182 km (0.109 R)
• M17: 16,863,570 km (0.104 R)
• M18: 23,206,220 km (0.059 R)
• M19: 23,776,487 km (0.118 R)
• M20: 25,543,388 km (0.074 R)
• M21: 27,126,133 km (0.093 R)
• M22: 27,941,441 km (0.074 R)
• M23: 30,679,831 km (0.068 R)
• M24: 32,163,991 km (0.098 R)
• M25: 32,567,756 km (0.106 R)
• M26: 34,321,342 km (0.108 R)
• M27: 35,704,075 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.2

Radius: 4.9

Gravity: 40.53 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.77 AU - 9.89 AU

Year: 16032 Days

Day: 15 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 48,155,281 km

• M1: 61,485 km (0.114 R)
• M2: 743,950 km (0.114 R)
• M3: 923,617 km (0.065 R)
• M4: 1,213,388 km (0.063 R)
• M5: 1,993,092 km (0.091 R)
• M6: 2,546,305 km (0.102 R)
• M7: 2,808,999 km (0.115 R)
• M8: 2,985,375 km (0.071 R)
• M9: 3,196,009 km (0.077 R)
• M10: 3,473,363 km (0.109 R)
• M11: 3,857,680 km (0.065 R)
• M12: 4,402,366 km (0.045 R)
• M13: 5,256,420 km (0.117 R)
• M14: 6,692,410 km (0.114 R)
• M15: 7,239,639 km (0.078 R)
• M16: 7,865,706 km (0.073 R)
• M17: 9,060,545 km (0.084 R)
• M18: 9,786,842 km (0.1 R)
• M19: 11,354,628 km (0.113 R)
• M20: 12,737,511 km (0.066 R)
• M21: 13,576,156 km (0.109 R)
• M22: 15,131,226 km (0.078 R)
• M23: 15,518,386 km (0.045 R)
• M24: 15,832,691 km (0.032 R)
• M25: 16,474,166 km (0.086 R)
• M26: 17,553,365 km (0.08 R)
• M27: 18,066,935 km (0.1 R)
• M28: 18,327,385 km (0.104 R)
• M29: 18,590,527 km (0.108 R)
• M30: 19,576,527 km (0.111 R)
• M31: 20,596,934 km (0.109 R)
• M32: 21,072,356 km (0.096 R)
• M33: 23,974,704 km (0.116 R)
• M34: 24,713,119 km (0.056 R)
• M35: 37,399,019 km (0.086 R)
• M36: 38,534,616 km (0.1 R)
• M37: 40,874,626 km (0.118 R)
• M38: 44,401,845 km (0.042 R)
• M39: 45,354,185 km (0.103 R)
• M40: 48,962,934 km (0.058 R)
• M41: 56,006,002 km (0.076 R)
• M42: 63,494,423 km (0.06 R)
• M43: 67,999,263 km (0.081 R)
• M44: 73,151,713 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.7

Radius: 5

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.61 AU - 11.07 AU

Year: 19035 Days

Day: 17.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,155,281 km

• M1: 82,428 km (0.115 R)
• M2: 371,601 km (0.091 R)
• M3: 553,662 km (0.047 R)
• M4: 786,885 km (0.11 R)
• M5: 1,084,285 km (0.061 R)
• M6: 1,508,844 km (0.119 R)
• M7: 2,159,744 km (0.11 R)
• M8: 2,420,045 km (0.043 R)
• M9: 2,785,363 km (0.087 R)
• M10: 3,499,543 km (0.088 R)
• M11: 4,186,945 km (0.059 R)
• M12: 4,991,931 km (0.096 R)
• M13: 5,249,090 km (0.102 R)
• M14: 6,219,232 km (0.045 R)
• M15: 7,262,677 km (0.102 R)
• M16: 7,426,637 km (0.083 R)
• M17: 8,283,832 km (0.104 R)
• M18: 8,690,440 km (0.025 R)
• M19: 9,157,484 km (0.051 R)
• M20: 9,989,847 km (0.067 R)
• M21: 10,871,427 km (0.093 R)
• M22: 11,524,122 km (0.077 R)
• M23: 13,825,985 km (0.058 R)
• M24: 16,558,091 km (0.095 R)
• M25: 16,771,118 km (0.066 R)
• M26: 17,567,727 km (0.109 R)
• M27: 26,969,055 km (0.086 R)
• M28: 27,660,646 km (0.085 R)
• M29: 28,873,586 km (0.079 R)
• M30: 31,080,902 km (0.111 R)
• M31: 31,622,596 km (0.044 R)
• M32: 33,060,232 km (0.074 R)
• M33: 34,888,767 km (0.05 R)
• M34: 40,777,388 km (0.092 R)
• M35: 45,604,761 km (0.104 R)
• M36: 47,010,233 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 19,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit