🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.2

Radius: 11.1

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.5 AU - 0.82 AU

Year: 358 Days

Day: 14.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,628,824 km

• M1: 138,528 km (0.115 R)
• M2: 562,638 km (0.106 R)
• M3: 1,221,018 km (0.088 R)
• M4: 1,807,292 km (0.074 R)
• M5: 2,175,003 km (0.085 R)
• M6: 2,688,723 km (0.09 R)
• M7: 3,118,218 km (0.049 R)
• M8: 3,522,581 km (0.034 R)
• M9: 3,886,104 km (0.106 R)
• M10: 4,437,671 km (0.115 R)
• M11: 5,176,984 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.5

Radius: 12.4

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.92 AU - 1.22 AU

Year: 738 Days

Day: 9.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,628,824 km

• M1: 160,818 km (0.086 R)
• M2: 684,410 km (0.12 R)
• M3: 1,703,920 km (0.09 R)
• M4: 2,776,387 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.6

Radius: 13.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.49 AU - 1.61 AU

Year: 1287 Days

Day: 11 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,628,824 km

• M1: 165,455 km (0.101 R)
• M2: 585,227 km (0.059 R)
• M3: 1,203,515 km (0.106 R)
• M4: 1,631,215 km (0.116 R)
• M5: 2,162,587 km (0.067 R)
• M6: 3,034,742 km (0.093 R)
• M7: 3,987,531 km (0.032 R)
• M8: 4,577,246 km (0.116 R)
• M9: 5,319,102 km (0.117 R)
• M10: 5,870,819 km (0.033 R)
• M11: 7,206,279 km (0.065 R)
• M12: 7,759,342 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 12.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.9 AU - 1.98 AU

Year: 1802 Days

Day: 9.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,628,824 km

• M1: 154,235 km (0.098 R)
• M2: 596,297 km (0.099 R)
• M3: 1,116,299 km (0.12 R)
• M4: 1,577,360 km (0.116 R)
• M5: 2,293,784 km (0.085 R)
• M6: 2,912,820 km (0.029 R)
• M7: 3,369,991 km (0.051 R)
• M8: 3,961,352 km (0.099 R)
• M9: 4,487,188 km (0.093 R)
• M10: 5,204,809 km (0.118 R)
• M11: 5,974,341 km (0.071 R)
• M12: 6,593,975 km (0.105 R)
• M13: 8,303,280 km (0.087 R)
• M14: 10,526,454 km (0.105 R)
• M15: 11,077,573 km (0.058 R)
• M16: 13,318,399 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316

Radius: 14.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.22 AU - 2.46 AU

Year: 2387 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,628,824 km

• M1: 176,525 km (0.115 R)
• M2: 691,591 km (0.109 R)
• M3: 1,160,879 km (0.096 R)
• M4: 1,723,517 km (0.073 R)
• M5: 2,260,274 km (0.098 R)
• M6: 2,852,383 km (0.079 R)
• M7: 4,278,499 km (0.064 R)
• M8: 4,760,354 km (0.101 R)
• M9: 5,321,495 km (0.106 R)
• M10: 5,903,282 km (0.114 R)
• M11: 6,855,921 km (0.118 R)
• M12: 7,656,718 km (0.059 R)
• M13: 9,254,723 km (0.047 R)
• M14: 11,607,897 km (0.095 R)
• M15: 12,551,710 km (0.113 R)
• M16: 13,627,768 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.1

Radius: 11

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.7 AU - 2.78 AU

Year: 3025 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,628,824 km

• M1: 136,732 km (0.115 R)
• M2: 661,073 km (0.101 R)
• M3: 1,186,012 km (0.098 R)
• M4: 1,719,029 km (0.115 R)
• M5: 2,120,101 km (0.104 R)
• M6: 3,697,461 km (0.04 R)
• M7: 4,417,176 km (0.085 R)
• M8: 4,822,437 km (0.097 R)
• M9: 5,604,535 km (0.096 R)
• M10: 6,217,587 km (0.082 R)
• M11: 6,874,621 km (0.089 R)
• M12: 8,462,901 km (0.107 R)
• M13: 8,877,886 km (0.117 R)
• M14: 10,244,163 km (0.077 R)
• M15: 10,836,271 km (0.08 R)
• M16: 11,243,477 km (0.093 R)
• M17: 16,107,951 km (0.036 R)
• M18: 17,347,070 km (0.097 R)
• M19: 18,475,187 km (0.103 R)
• M20: 18,823,002 km (0.057 R)
• M21: 19,353,028 km (0.106 R)
• M22: 20,504,483 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850

Radius: 7.5

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.48 AU - 6.48 AU

Year: 9752 Days

Day: 15.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,628,824 km

• M1: 93,947 km (0.032 R)
• M2: 383,270 km (0.114 R)
• M3: 961,615 km (0.092 R)
• M4: 1,513,631 km (0.115 R)
• M5: 2,491,702 km (0.101 R)
• M6: 3,501,937 km (0.031 R)
• M7: 3,759,394 km (0.029 R)
• M8: 5,046,684 km (0.101 R)
• M9: 5,896,998 km (0.054 R)
• M10: 7,079,869 km (0.054 R)
• M11: 7,705,786 km (0.053 R)
• M12: 8,098,780 km (0.092 R)
• M13: 8,877,437 km (0.071 R)
• M14: 11,625,699 km (0.119 R)
• M15: 14,894,562 km (0.092 R)
• M16: 18,807,444 km (0.115 R)
• M17: 19,680,797 km (0.054 R)
• M18: 20,086,656 km (0.117 R)
• M19: 23,627,637 km (0.115 R)
• M20: 25,020,693 km (0.088 R)
• M21: 28,689,730 km (0.089 R)
• M22: 30,923,974 km (0.075 R)
• M23: 33,157,321 km (0.064 R)
• M24: 37,444,197 km (0.116 R)
• M25: 39,978,535 km (0.093 R)
• M26: 43,441,127 km (0.097 R)
• M27: 46,094,395 km (0.092 R)
• M28: 46,379,828 km (0.087 R)
• M29: 47,970,801 km (0.085 R)
• M30: 49,747,426 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.5

Radius: 3.9

Gravity: 30.6 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.92 AU - 6.96 AU

Year: 10898 Days

Day: 16.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,628,824 km

• M1: 97,239 km (0.092 R)
• M2: 263,741 km (0.117 R)
• M3: 887,564 km (0.106 R)
• M4: 1,363,734 km (0.102 R)
• M5: 1,847,534 km (0.112 R)
• M6: 2,111,125 km (0.071 R)
• M7: 2,652,520 km (0.105 R)
• M8: 3,617,725 km (0.036 R)
• M9: 3,976,910 km (0.044 R)
• M10: 4,559,743 km (0.093 R)
• M11: 6,389,475 km (0.102 R)
• M12: 7,344,807 km (0.086 R)
• M13: 7,711,022 km (0.099 R)
• M14: 8,046,421 km (0.089 R)
• M15: 8,882,374 km (0.085 R)
• M16: 9,629,765 km (0.115 R)
• M17: 20,400,961 km (0.097 R)
• M18: 21,449,193 km (0.092 R)
• M19: 26,755,579 km (0.076 R)
• M20: 30,119,138 km (0.106 R)
• M21: 31,159,441 km (0.05 R)
• M22: 31,582,354 km (0.095 R)
• M23: 35,791,440 km (0.108 R)
• M24: 41,495,457 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 14,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit