🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 13.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.11 AU - 1.45 AU

Year: 982 Days

Day: 10.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,241,682 km

• M1: 170,392 km (0.097 R)
• M2: 648,806 km (0.096 R)
• M3: 1,125,574 km (0.118 R)
• M4: 1,580,801 km (0.072 R)
• M5: 2,028,547 km (0.085 R)
• M6: 2,586,098 km (0.063 R)
• M7: 3,013,649 km (0.104 R)
• M8: 3,623,111 km (0.103 R)
• M9: 4,162,411 km (0.111 R)
• M10: 7,068,649 km (0.12 R)
• M11: 7,659,561 km (0.059 R)
• M12: 8,553,109 km (0.03 R)
• M13: 9,751,687 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 14.7

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.12 AU - 6.02 AU

Year: 7743 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,241,682 km

• M1: 182,809 km (0.082 R)
• M2: 764,445 km (0.076 R)
• M3: 1,342,042 km (0.079 R)
• M4: 1,952,851 km (0.072 R)
• M5: 2,688,423 km (0.096 R)
• M6: 4,461,906 km (0.086 R)
• M7: 5,168,756 km (0.056 R)
• M8: 5,915,549 km (0.096 R)
• M9: 6,476,690 km (0.084 R)
• M10: 7,306,510 km (0.103 R)
• M11: 10,934,258 km (0.099 R)
• M12: 13,431,944 km (0.091 R)
• M13: 16,975,768 km (0.101 R)
• M14: 23,009,050 km (0.034 R)
• M15: 23,611,930 km (0.086 R)
• M16: 26,036,911 km (0.117 R)
• M17: 30,750,890 km (0.104 R)
• M18: 32,333,485 km (0.094 R)
• M19: 33,528,174 km (0.062 R)
• M20: 35,660,692 km (0.026 R)
• M21: 39,454,643 km (0.064 R)
• M22: 43,118,295 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 13.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.69 AU - 6.17 AU

Year: 8582 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,241,682 km

• M1: 174,282 km (0.082 R)
• M2: 963,560 km (0.108 R)
• M3: 1,492,837 km (0.057 R)
• M4: 2,217,340 km (0.101 R)
• M5: 2,782,670 km (0.119 R)
• M6: 3,801,581 km (0.09 R)
• M7: 4,618,385 km (0.038 R)
• M8: 5,135,994 km (0.112 R)
• M9: 5,896,400 km (0.12 R)
• M10: 6,893,619 km (0.118 R)
• M11: 7,784,176 km (0.093 R)
• M12: 10,697,445 km (0.11 R)
• M13: 17,199,716 km (0.111 R)
• M14: 18,577,961 km (0.073 R)
• M15: 19,294,236 km (0.054 R)
• M16: 23,529,800 km (0.116 R)
• M17: 28,008,461 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.6

Radius: 8.5

Gravity: 11.99 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.11 AU - 5.81 AU

Year: 8653 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,241,682 km

• M1: 106,214 km (0.109 R)
• M2: 438,172 km (0.097 R)
• M3: 839,543 km (0.119 R)
• M4: 1,193,043 km (0.114 R)
• M5: 1,532,181 km (0.053 R)
• M6: 2,154,209 km (0.12 R)
• M7: 4,707,396 km (0.113 R)
• M8: 5,398,239 km (0.061 R)
• M9: 5,768,045 km (0.052 R)
• M10: 6,373,019 km (0.076 R)
• M11: 7,338,673 km (0.096 R)
• M12: 7,751,114 km (0.082 R)
• M13: 8,178,815 km (0.071 R)
• M14: 9,035,113 km (0.1 R)
• M15: 9,365,275 km (0.096 R)
• M16: 9,752,285 km (0.11 R)
• M17: 11,031,347 km (0.045 R)
• M18: 11,628,093 km (0.11 R)
• M19: 12,886,061 km (0.066 R)
• M20: 13,304,786 km (0.045 R)
• M21: 15,535,739 km (0.115 R)
• M22: 16,078,630 km (0.069 R)
• M23: 18,377,799 km (0.095 R)
• M24: 20,400,512 km (0.114 R)
• M25: 23,617,315 km (0.104 R)
• M26: 24,154,371 km (0.108 R)
• M27: 24,699,506 km (0.113 R)
• M28: 25,908,855 km (0.114 R)
• M29: 28,545,817 km (0.097 R)
• M30: 40,249,457 km (0.074 R)
• M31: 45,957,363 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.1

Radius: 3.6

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.16 AU - 6.82 AU

Year: 9943 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,241,682 km

• M1: 44,730 km (0.066 R)
• M2: 509,082 km (0.076 R)
• M3: 882,777 km (0.118 R)
• M4: 1,085,632 km (0.106 R)
• M5: 1,357,451 km (0.057 R)
• M6: 3,605,009 km (0.077 R)
• M7: 4,269,673 km (0.084 R)
• M8: 4,597,292 km (0.067 R)
• M9: 4,871,355 km (0.046 R)
• M10: 5,228,894 km (0.032 R)
• M11: 5,476,928 km (0.113 R)
• M12: 6,662,341 km (0.112 R)
• M13: 7,847,156 km (0.115 R)
• M14: 10,862,451 km (0.095 R)
• M15: 12,980,906 km (0.107 R)
• M16: 13,806,387 km (0.111 R)
• M17: 15,460,042 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.6

Radius: 5.5

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.6 AU - 8.3 AU

Year: 13792 Days

Day: 23.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,241,682 km

• M1: 68,366 km (0.072 R)
• M2: 265,237 km (0.059 R)
• M3: 588,518 km (0.099 R)
• M4: 817,852 km (0.047 R)
• M5: 1,305,541 km (0.102 R)
• M6: 1,570,778 km (0.104 R)
• M7: 2,282,116 km (0.098 R)
• M8: 3,305,066 km (0.1 R)
• M9: 4,257,705 km (0.114 R)
• M10: 4,456,820 km (0.093 R)
• M11: 5,888,322 km (0.093 R)
• M12: 6,997,740 km (0.102 R)
• M13: 8,327,515 km (0.046 R)
• M14: 9,525,345 km (0.117 R)
• M15: 11,751,511 km (0.054 R)
• M16: 12,314,897 km (0.094 R)
• M17: 13,925,916 km (0.077 R)
• M18: 14,302,155 km (0.11 R)
• M19: 14,749,602 km (0.082 R)
• M20: 15,338,419 km (0.12 R)
• M21: 18,671,161 km (0.075 R)
• M22: 20,224,884 km (0.094 R)
• M23: 21,362,426 km (0.077 R)
• M24: 24,938,563 km (0.064 R)
• M25: 26,245,600 km (0.117 R)
• M26: 27,992,305 km (0.1 R)
• M27: 28,995,508 km (0.106 R)
• M28: 30,230,738 km (0.066 R)
• M29: 32,039,974 km (0.113 R)
• M30: 34,259,408 km (0.103 R)
• M31: 34,829,975 km (0.117 R)
• M32: 35,290,886 km (0.117 R)
• M33: 36,342,708 km (0.073 R)
• M34: 43,628,125 km (0.115 R)
• M35: 44,839,269 km (0.087 R)
• M36: 45,247,970 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.2

Radius: 4.1

Gravity: 57.83 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.22 AU - 11.14 AU

Year: 18865 Days

Day: 22.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,241,682 km

• M1: 55,501 km (0.101 R)
• M2: 588,518 km (0.046 R)
• M3: 950,246 km (0.046 R)
• M4: 1,597,855 km (0.06 R)
• M5: 1,855,313 km (0.081 R)
• M6: 2,076,418 km (0.086 R)
• M7: 2,523,267 km (0.079 R)
• M8: 17,103,525 km (0.113 R)
• M9: 19,829,497 km (0.035 R)
• M10: 21,697,974 km (0.117 R)
• M11: 24,330,747 km (0.11 R)
• M12: 25,894,344 km (0.104 R)
• M13: 28,484,781 km (0.117 R)
• M14: 28,728,476 km (0.076 R)
• M15: 29,967,894 km (0.084 R)
• M16: 31,242,618 km (0.1 R)
• M17: 35,423,280 km (0.082 R)
• M18: 49,817,138 km (0.113 R)
• M19: 57,797,736 km (0.099 R)
• M20: 57,992,811 km (0.084 R)
• M21: 61,174,309 km (0.04 R)
• M22: 63,427,852 km (0.096 R)
• M23: 65,735,997 km (0.093 R)
• M24: 76,230,138 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 11,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit