🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.4

Radius: 12.2

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.81 AU - 1.33 AU

Year: 726 Days

Day: 10.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,815,732 km

• M1: 152,291 km (0.033 R)
• M2: 867,668 km (0.116 R)
• M3: 1,301,950 km (0.113 R)
• M4: 3,067,056 km (0.095 R)
• M5: 3,915,425 km (0.114 R)
• M6: 4,711,585 km (0.117 R)
• M7: 6,035,825 km (0.083 R)
• M8: 6,479,981 km (0.032 R)
• M9: 7,850,747 km (0.084 R)
• M10: 8,258,401 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 12.4

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.02 AU - 1.2 AU

Year: 767 Days

Day: 11 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,815,732 km

• M1: 154,834 km (0.045 R)
• M2: 546,631 km (0.084 R)
• M3: 998,865 km (0.083 R)
• M4: 1,437,187 km (0.107 R)
• M5: 1,866,383 km (0.12 R)
• M6: 2,392,818 km (0.059 R)
• M7: 3,403,800 km (0.053 R)
• M8: 4,148,648 km (0.029 R)
• M9: 4,891,701 km (0.112 R)
• M10: 6,339,659 km (0.064 R)
• M11: 7,116,520 km (0.087 R)
• M12: 7,564,267 km (0.095 R)
• M13: 8,674,133 km (0.118 R)
• M14: 9,103,629 km (0.115 R)
• M15: 9,519,212 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.9

Radius: 14.5

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.08 AU - 1.14 AU

Year: 767 Days

Day: 7.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,815,732 km

• M1: 180,265 km (0.091 R)
• M2: 641,924 km (0.07 R)
• M3: 1,243,458 km (0.091 R)
• M4: 1,812,079 km (0.089 R)
• M5: 2,599,712 km (0.075 R)
• M6: 3,178,805 km (0.101 R)
• M7: 4,185,599 km (0.109 R)
• M8: 4,685,705 km (0.073 R)
• M9: 5,414,994 km (0.084 R)
• M10: 6,177,046 km (0.044 R)
• M11: 7,429,479 km (0.101 R)
• M12: 9,504,402 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.4

Radius: 10.1

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.01 AU - 1.45 AU

Year: 895 Days

Day: 8.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,815,732 km

• M1: 125,812 km (0.08 R)
• M2: 506,090 km (0.102 R)
• M3: 888,761 km (0.037 R)
• M4: 1,353,412 km (0.08 R)
• M5: 2,005,659 km (0.112 R)
• M6: 2,338,065 km (0.091 R)
• M7: 2,731,657 km (0.101 R)
• M8: 3,075,583 km (0.067 R)
• M9: 3,506,275 km (0.039 R)
• M10: 3,867,255 km (0.095 R)
• M11: 4,438,120 km (0.099 R)
• M12: 4,934,635 km (0.12 R)
• M13: 5,748,448 km (0.101 R)
• M14: 7,276,590 km (0.107 R)
• M15: 7,592,391 km (0.105 R)
• M16: 8,382,717 km (0.113 R)
• M17: 8,893,593 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.6

Radius: 14.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.91 AU - 2.09 AU

Year: 1855 Days

Day: 6.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,815,732 km

• M1: 185,651 km (0.115 R)
• M2: 768,933 km (0.111 R)
• M3: 1,291,927 km (0.087 R)
• M4: 1,932,954 km (0.071 R)
• M5: 2,625,592 km (0.114 R)
• M6: 3,326,159 km (0.057 R)
• M7: 3,922,905 km (0.119 R)
• M8: 4,942,714 km (0.034 R)
• M9: 5,591,819 km (0.057 R)
• M10: 6,833,481 km (0.09 R)
• M11: 8,599,035 km (0.085 R)
• M12: 9,260,707 km (0.105 R)
• M13: 10,754,441 km (0.069 R)
• M14: 13,132,150 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.8

Radius: 12.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.46 AU - 4.08 AU

Year: 3879 Days

Day: 13 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,815,732 km

• M1: 155,582 km (0.098 R)
• M2: 624,571 km (0.087 R)
• M3: 1,075,908 km (0.094 R)
• M4: 1,561,503 km (0.106 R)
• M5: 2,884,097 km (0.068 R)
• M6: 6,203,973 km (0.034 R)
• M7: 8,008,124 km (0.094 R)
• M8: 9,890,214 km (0.068 R)
• M9: 10,912,566 km (0.081 R)
• M10: 11,770,959 km (0.086 R)
• M11: 13,776,318 km (0.06 R)
• M12: 14,563,951 km (0.094 R)
• M13: 15,492,655 km (0.096 R)
• M14: 17,772,227 km (0.034 R)
• M15: 18,579,457 km (0.098 R)
• M16: 20,806,371 km (0.054 R)
• M17: 23,206,070 km (0.112 R)
• M18: 27,224,419 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 10.7

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.41 AU - 5.91 AU

Year: 7689 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 123.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,815,732 km

• M1: 133,142 km (0.102 R)
• M2: 563,386 km (0.098 R)
• M3: 941,719 km (0.051 R)
• M4: 1,572,423 km (0.102 R)
• M5: 2,913,269 km (0.078 R)
• M6: 4,364,069 km (0.069 R)
• M7: 6,144,433 km (0.103 R)
• M8: 7,196,555 km (0.114 R)
• M9: 8,621,774 km (0.053 R)
• M10: 9,332,514 km (0.087 R)
• M11: 10,226,660 km (0.102 R)
• M12: 11,023,269 km (0.093 R)
• M13: 11,860,568 km (0.068 R)
• M14: 12,349,903 km (0.067 R)
• M15: 14,504,710 km (0.117 R)
• M16: 18,082,792 km (0.049 R)
• M17: 19,321,163 km (0.115 R)
• M18: 22,374,456 km (0.036 R)
• M19: 23,290,593 km (0.092 R)
• M20: 23,972,610 km (0.089 R)
• M21: 24,318,480 km (0.071 R)
• M22: 28,636,623 km (0.081 R)
• M23: 29,419,319 km (0.115 R)
• M24: 30,925,171 km (0.055 R)
• M25: 32,481,737 km (0.067 R)
• M26: 34,199,120 km (0.072 R)
• M27: 35,302,704 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.7

Radius: 4.8

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.36 AU - 7.58 AU

Year: 10796 Days

Day: 24.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,815,732 km

• M1: 59,690 km (0.1 R)
• M2: 221,554 km (0.076 R)
• M3: 476,469 km (0.054 R)
• M4: 1,805,796 km (0.112 R)
• M5: 3,375,975 km (0.114 R)
• M6: 4,365,116 km (0.053 R)
• M7: 6,839,166 km (0.101 R)
• M8: 7,983,590 km (0.076 R)
• M9: 10,799,470 km (0.12 R)
• M10: 12,599,581 km (0.064 R)
• M11: 15,167,728 km (0.1 R)
• M12: 17,308,474 km (0.111 R)
• M13: 18,009,788 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.4

Radius: 3.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.85 AU - 10.13 AU

Year: 17683 Days

Day: 17.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,815,732 km

• M1: 44,730 km (0.053 R)
• M2: 532,269 km (0.077 R)
• M3: 661,522 km (0.08 R)
• M4: 2,083,749 km (0.119 R)
• M5: 2,519,378 km (0.079 R)
• M6: 7,037,682 km (0.119 R)
• M7: 21,349,860 km (0.097 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: 161 - 17,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit