🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 13

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.74 AU - 0.86 AU

Year: 503 Days

Day: 8.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,394,358 km

• M1: 161,715 km (0.107 R)
• M2: 776,263 km (0.12 R)
• M3: 1,259,165 km (0.051 R)
• M4: 1,897,948 km (0.116 R)
• M5: 2,978,045 km (0.085 R)
• M6: 3,781,834 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.2

Radius: 12.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.77 AU - 1.23 AU

Year: 703 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,394,358 km

• M1: 159,172 km (0.099 R)
• M2: 681,568 km (0.071 R)
• M3: 1,172,249 km (0.077 R)
• M4: 1,688,661 km (0.113 R)
• M5: 2,533,590 km (0.109 R)
• M6: 3,856,633 km (0.102 R)
• M7: 4,502,746 km (0.079 R)
• M8: 5,103,531 km (0.1 R)
• M9: 5,527,641 km (0.065 R)
• M10: 6,030,589 km (0.085 R)
• M11: 6,682,387 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.5

Radius: 14.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.05 AU - 1.21 AU

Year: 844 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,394,358 km

• M1: 184,155 km (0.114 R)
• M2: 689,048 km (0.09 R)
• M3: 2,115,463 km (0.119 R)
• M4: 2,781,174 km (0.103 R)
• M5: 3,598,876 km (0.112 R)
• M6: 4,420,767 km (0.057 R)
• M7: 5,048,330 km (0.068 R)
• M8: 5,795,122 km (0.087 R)
• M9: 6,418,796 km (0.09 R)
• M10: 6,972,458 km (0.077 R)
• M11: 8,075,143 km (0.081 R)
• M12: 8,748,184 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.3

Radius: 10.3

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.14 AU - 1.36 AU

Year: 982 Days

Day: 14.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,394,358 km

• M1: 128,056 km (0.082 R)
• M2: 470,934 km (0.062 R)
• M3: 843,882 km (0.116 R)
• M4: 2,265,660 km (0.105 R)
• M5: 2,621,254 km (0.082 R)
• M6: 2,948,275 km (0.075 R)
• M7: 3,446,436 km (0.106 R)
• M8: 3,809,360 km (0.089 R)
• M9: 4,214,322 km (0.084 R)
• M10: 4,684,059 km (0.034 R)
• M11: 5,035,315 km (0.075 R)
• M12: 5,504,304 km (0.099 R)
• M13: 6,439,740 km (0.025 R)
• M14: 7,379,214 km (0.048 R)
• M15: 8,789,174 km (0.03 R)
• M16: 9,268,186 km (0.092 R)
• M17: 10,433,105 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.7

Radius: 15

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.53 AU - 2.47 AU

Year: 1988 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,394,358 km

• M1: 188,045 km (0.081 R)
• M2: 966,402 km (0.1 R)
• M3: 1,618,200 km (0.109 R)
• M4: 2,540,621 km (0.114 R)
• M5: 3,650,038 km (0.089 R)
• M6: 4,231,077 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 14.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.85 AU - 2.29 AU

Year: 2093 Days

Day: 11.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,394,358 km

• M1: 177,423 km (0.062 R)
• M2: 1,179,579 km (0.084 R)
• M3: 3,083,661 km (0.069 R)
• M4: 3,569,854 km (0.114 R)
• M5: 4,881,229 km (0.098 R)
• M6: 6,979,638 km (0.085 R)
• M7: 7,656,718 km (0.105 R)
• M8: 8,556,998 km (0.088 R)
• M9: 9,365,425 km (0.085 R)
• M10: 11,063,062 km (0.059 R)
• M11: 11,947,335 km (0.108 R)
• M12: 13,078,145 km (0.094 R)
• M13: 13,649,160 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.1

Radius: 14.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.73 AU - 2.47 AU

Year: 2139 Days

Day: 12.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,394,358 km

• M1: 175,329 km (0.099 R)
• M2: 613,950 km (0.093 R)
• M3: 1,081,443 km (0.101 R)
• M4: 1,734,737 km (0.11 R)
• M5: 2,323,255 km (0.1 R)
• M6: 3,538,139 km (0.108 R)
• M7: 4,349,708 km (0.115 R)
• M8: 5,003,151 km (0.116 R)
• M9: 6,053,627 km (0.057 R)
• M10: 6,757,186 km (0.098 R)
• M11: 7,305,462 km (0.091 R)
• M12: 8,891,649 km (0.09 R)
• M13: 11,768,565 km (0.034 R)
• M14: 13,173,738 km (0.118 R)
• M15: 13,620,886 km (0.12 R)
• M16: 14,404,330 km (0.056 R)
• M17: 15,266,463 km (0.118 R)
• M18: 16,315,593 km (0.064 R)
• M19: 17,146,609 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.9

Radius: 6.2

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.01 AU - 9.59 AU

Year: 15313 Days

Day: 19.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,394,358 km

• M1: 77,791 km (0.076 R)
• M2: 450,888 km (0.109 R)
• M3: 1,028,934 km (0.05 R)
• M4: 1,311,674 km (0.05 R)
• M5: 1,892,563 km (0.098 R)
• M6: 2,145,533 km (0.091 R)
• M7: 2,525,062 km (0.067 R)
• M8: 3,878,774 km (0.088 R)
• M9: 6,069,186 km (0.11 R)
• M10: 7,873,037 km (0.085 R)
• M11: 8,150,242 km (0.086 R)
• M12: 8,773,466 km (0.087 R)
• M13: 9,172,593 km (0.038 R)
• M14: 10,114,462 km (0.095 R)
• M15: 10,664,832 km (0.077 R)
• M16: 14,122,039 km (0.078 R)
• M17: 14,739,579 km (0.088 R)
• M18: 15,232,205 km (0.119 R)
• M19: 26,491,240 km (0.096 R)
• M20: 28,497,796 km (0.086 R)
• M21: 28,932,827 km (0.104 R)
• M22: 29,704,752 km (0.115 R)
• M23: 30,603,536 km (0.081 R)
• M24: 31,289,591 km (0.085 R)
• M25: 32,455,557 km (0.102 R)
• M26: 34,258,361 km (0.043 R)
• M27: 38,457,573 km (0.081 R)
• M28: 39,390,466 km (0.049 R)
• M29: 40,201,885 km (0.092 R)
• M30: 40,749,114 km (0.094 R)
• M31: 42,561,641 km (0.099 R)
• M32: 43,559,609 km (0.109 R)
• M33: 45,454,116 km (0.064 R)
• M34: 45,750,320 km (0.104 R)
• M35: 49,094,730 km (0.048 R)
• M36: 56,606,937 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.3

Radius: 7.4

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.09 AU - 10.31 AU

Year: 21236 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,394,358 km

• M1: 92,003 km (0.097 R)
• M2: 969,843 km (0.072 R)
• M3: 1,845,589 km (0.076 R)
• M4: 2,120,999 km (0.099 R)
• M5: 2,575,028 km (0.104 R)
• M6: 3,349,197 km (0.113 R)
• M7: 8,033,705 km (0.119 R)
• M8: 8,472,176 km (0.072 R)
• M9: 9,828,580 km (0.119 R)
• M10: 11,263,972 km (0.118 R)
• M11: 14,976,392 km (0.093 R)
• M12: 15,715,556 km (0.071 R)
• M13: 17,669,603 km (0.119 R)
• M14: 25,728,590 km (0.053 R)
• M15: 42,143,964 km (0.098 R)
• M16: 57,160,598 km (0.088 R)
• M17: 61,170,420 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 17,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit