🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.1

Radius: 11.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.68 AU - 0.84 AU

Year: 435 Days

Day: 7 Hours

Environment

Temp: -133 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,370,606 km

• M1: 139,276 km (0.037 R)
• M2: 530,474 km (0.114 R)
• M3: 898,784 km (0.102 R)
• M4: 1,402,480 km (0.081 R)
• M5: 1,806,394 km (0.103 R)
• M6: 2,183,531 km (0.1 R)
• M7: 2,633,371 km (0.081 R)
• M8: 3,122,556 km (0.1 R)
• M9: 3,610,395 km (0.115 R)
• M10: 3,976,611 km (0.117 R)
• M11: 4,465,945 km (0.08 R)
• M12: 4,844,129 km (0.095 R)
• M13: 5,435,489 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.9

Radius: 8.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.01 AU - 1.05 AU

Year: 686 Days

Day: 10.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,370,606 km

• M1: 102,325 km (0.067 R)
• M2: 425,157 km (0.118 R)
• M3: 759,658 km (0.091 R)
• M4: 1,130,960 km (0.094 R)
• M5: 1,496,876 km (0.106 R)
• M6: 1,767,648 km (0.06 R)
• M7: 2,044,704 km (0.066 R)
• M8: 2,419,746 km (0.099 R)
• M9: 3,308,806 km (0.082 R)
• M10: 3,666,644 km (0.088 R)
• M11: 4,064,425 km (0.118 R)
• M12: 4,801,792 km (0.095 R)
• M13: 5,110,712 km (0.094 R)
• M14: 5,519,862 km (0.113 R)
• M15: 5,895,652 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.1

Radius: 13.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.16 AU - 1.86 AU

Year: 1217 Days

Day: 5.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,370,606 km

• M1: 166,054 km (0.104 R)
• M2: 605,572 km (0.114 R)
• M3: 1,080,994 km (0.077 R)
• M4: 1,659,190 km (0.091 R)
• M5: 2,353,623 km (0.11 R)
• M6: 4,735,371 km (0.115 R)
• M7: 7,112,182 km (0.111 R)
• M8: 8,732,477 km (0.095 R)
• M9: 9,417,186 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.5

Radius: 9.7

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.28 AU - 2.04 AU

Year: 1403 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,370,606 km

• M1: 120,725 km (0.116 R)
• M2: 537,804 km (0.059 R)
• M3: 912,248 km (0.069 R)
• M4: 1,568,982 km (0.112 R)
• M5: 1,997,132 km (0.118 R)
• M6: 2,304,854 km (0.117 R)
• M7: 3,046,561 km (0.097 R)
• M8: 3,768,670 km (0.12 R)
• M9: 4,170,340 km (0.07 R)
• M10: 5,705,663 km (0.069 R)
• M11: 6,477,887 km (0.111 R)
• M12: 10,377,305 km (0.1 R)
• M13: 11,099,115 km (0.089 R)
• M14: 13,425,661 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.7

Radius: 11.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.29 AU - 3.33 AU

Year: 3090 Days

Day: 7.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,370,606 km

• M1: 139,425 km (0.114 R)
• M2: 1,388,717 km (0.087 R)
• M3: 1,800,710 km (0.113 R)
• M4: 2,167,374 km (0.1 R)
• M5: 4,184,552 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381

Radius: 9.6

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.1 AU - 4.36 AU

Year: 5707 Days

Day: 5.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,370,606 km

• M1: 119,379 km (0.116 R)
• M2: 616,194 km (0.031 R)
• M3: 1,134,550 km (0.087 R)
• M4: 1,465,162 km (0.076 R)
• M5: 1,834,668 km (0.106 R)
• M6: 2,905,041 km (0.045 R)
• M7: 3,807,715 km (0.066 R)
• M8: 4,371,399 km (0.058 R)
• M9: 5,067,628 km (0.109 R)
• M10: 5,893,857 km (0.095 R)
• M11: 6,648,728 km (0.106 R)
• M12: 7,331,642 km (0.069 R)
• M13: 8,387,205 km (0.092 R)
• M14: 9,661,928 km (0.115 R)
• M15: 10,366,983 km (0.08 R)
• M16: 10,797,526 km (0.031 R)
• M17: 13,432,842 km (0.119 R)
• M18: 17,234,871 km (0.085 R)
• M19: 17,900,881 km (0.096 R)
• M20: 20,068,106 km (0.064 R)
• M21: 21,979,667 km (0.047 R)
• M22: 23,564,657 km (0.119 R)
• M23: 25,070,210 km (0.115 R)
• M24: 26,799,411 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 10.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.79 AU - 5.01 AU

Year: 7115 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,370,606 km

• M1: 138,228 km (0.057 R)
• M2: 517,160 km (0.102 R)
• M3: 1,096,852 km (0.098 R)
• M4: 1,648,718 km (0.115 R)
• M5: 2,211,655 km (0.071 R)
• M6: 2,605,097 km (0.074 R)
• M7: 4,076,692 km (0.057 R)
• M8: 4,549,271 km (0.112 R)
• M9: 5,031,874 km (0.114 R)
• M10: 6,220,878 km (0.106 R)
• M11: 6,752,100 km (0.094 R)
• M12: 7,693,071 km (0.109 R)
• M13: 9,710,248 km (0.063 R)
• M14: 11,868,497 km (0.118 R)
• M15: 14,436,045 km (0.104 R)
• M16: 15,368,488 km (0.117 R)
• M17: 16,931,337 km (0.099 R)
• M18: 23,571,388 km (0.111 R)
• M19: 25,408,750 km (0.067 R)
• M20: 26,201,768 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.7

Radius: 5.5

Gravity: 18.7 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.75 AU - 8.85 AU

Year: 17125 Days

Day: 22 Hours

Environment

Temp: -232 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,370,606 km

• M1: 68,366 km (0.093 R)
• M2: 264,489 km (0.096 R)
• M3: 606,320 km (0.11 R)
• M4: 1,362,388 km (0.062 R)
• M5: 1,685,818 km (0.028 R)
• M6: 2,255,487 km (0.108 R)
• M7: 2,849,091 km (0.107 R)
• M8: 3,093,534 km (0.118 R)
• M9: 3,378,668 km (0.115 R)
• M10: 4,183,804 km (0.109 R)
• M11: 4,598,190 km (0.032 R)
• M12: 4,798,501 km (0.119 R)
• M13: 5,508,642 km (0.104 R)
• M14: 6,533,687 km (0.074 R)
• M15: 6,744,470 km (0.039 R)
• M16: 7,359,018 km (0.107 R)
• M17: 7,633,531 km (0.093 R)
• M18: 11,180,346 km (0.11 R)
• M19: 11,421,498 km (0.063 R)
• M20: 11,914,124 km (0.085 R)
• M21: 15,025,610 km (0.073 R)
• M22: 26,443,368 km (0.104 R)
• M23: 26,764,106 km (0.074 R)
• M24: 31,892,471 km (0.029 R)
• M25: 32,377,617 km (0.114 R)
• M26: 33,737,461 km (0.032 R)
• M27: 33,988,786 km (0.087 R)
• M28: 35,913,063 km (0.103 R)
• M29: 36,306,506 km (0.108 R)
• M30: 42,557,752 km (0.089 R)
• M31: 43,145,821 km (0.117 R)
• M32: 47,888,522 km (0.073 R)
• M33: 48,844,902 km (0.11 R)
• M34: 50,631,250 km (0.096 R)
• M35: 53,136,565 km (0.055 R)
• M36: 62,271,909 km (0.043 R)
• M37: 63,985,552 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 13,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit