🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 14.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.62 AU - 0.68 AU

Year: 355 Days

Day: 10.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,358,050 km

• M1: 184,005 km (0.063 R)
• M2: 689,796 km (0.038 R)
• M3: 1,573,171 km (0.115 R)
• M4: 2,196,546 km (0.075 R)
• M5: 2,688,872 km (0.055 R)
• M6: 3,223,236 km (0.09 R)
• M7: 3,840,776 km (0.108 R)
• M8: 4,348,511 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.6

Radius: 9

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.54 AU - 0.9 AU

Year: 414 Days

Day: 10.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,358,050 km

• M1: 112,049 km (0.117 R)
• M2: 395,686 km (0.118 R)
• M3: 866,770 km (0.032 R)
• M4: 1,227,600 km (0.031 R)
• M5: 1,555,219 km (0.085 R)
• M6: 2,081,056 km (0.119 R)
• M7: 2,506,512 km (0.096 R)
• M8: 2,989,265 km (0.113 R)
• M9: 3,318,978 km (0.071 R)
• M10: 3,649,290 km (0.117 R)
• M11: 4,257,705 km (0.1 R)
• M12: 4,874,497 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.4

Radius: 8.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.82 AU - 1.06 AU

Year: 618 Days

Day: 14 Hours

Environment

Temp: -165 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,358,050 km

• M1: 109,506 km (0.097 R)
• M2: 416,780 km (0.111 R)
• M3: 719,117 km (0.065 R)
• M4: 1,062,145 km (0.108 R)
• M5: 1,398,142 km (0.112 R)
• M6: 1,730,847 km (0.093 R)
• M7: 2,227,961 km (0.113 R)
• M8: 2,695,754 km (0.058 R)
• M9: 3,567,610 km (0.118 R)
• M10: 3,970,028 km (0.08 R)
• M11: 4,291,664 km (0.081 R)
• M12: 5,079,446 km (0.077 R)
• M13: 5,362,485 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132

Radius: 9.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.44 AU - 3.22 AU

Year: 3229 Days

Day: 5.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,358,050 km

• M1: 123,119 km (0.112 R)
• M2: 468,092 km (0.066 R)
• M3: 1,149,360 km (0.087 R)
• M4: 1,938,040 km (0.104 R)
• M5: 2,282,415 km (0.082 R)
• M6: 2,680,794 km (0.065 R)
• M7: 4,163,907 km (0.095 R)
• M8: 5,185,810 km (0.114 R)
• M9: 6,560,016 km (0.057 R)
• M10: 6,881,801 km (0.078 R)
• M11: 7,773,554 km (0.089 R)
• M12: 8,134,384 km (0.114 R)
• M13: 9,070,268 km (0.111 R)
• M14: 10,076,314 km (0.12 R)
• M15: 10,640,149 km (0.12 R)
• M16: 11,259,933 km (0.044 R)
• M17: 12,723,598 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.3

Radius: 11

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.84 AU - 3.94 AU

Year: 5204 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,358,050 km

• M1: 136,732 km (0.113 R)
• M2: 510,727 km (0.071 R)
• M3: 963,111 km (0.105 R)
• M4: 1,461,122 km (0.102 R)
• M5: 2,538,975 km (0.082 R)
• M6: 3,146,941 km (0.114 R)
• M7: 3,828,658 km (0.038 R)
• M8: 4,465,945 km (0.104 R)
• M9: 6,808,498 km (0.103 R)
• M10: 8,368,056 km (0.043 R)
• M11: 9,061,741 km (0.108 R)
• M12: 9,442,019 km (0.091 R)
• M13: 9,832,918 km (0.118 R)
• M14: 10,815,477 km (0.06 R)
• M15: 11,462,039 km (0.116 R)
• M16: 11,997,749 km (0.072 R)
• M17: 15,247,913 km (0.041 R)
• M18: 17,363,974 km (0.113 R)
• M19: 20,763,287 km (0.089 R)
• M20: 22,239,219 km (0.112 R)
• M21: 23,426,877 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.9

Radius: 4.7

Gravity: 40.69 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.57 AU - 10.13 AU

Year: 19391 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,358,050 km

• M1: 58,493 km (0.034 R)
• M2: 259,104 km (0.05 R)
• M3: 424,708 km (0.112 R)
• M4: 802,892 km (0.116 R)
• M5: 2,781,024 km (0.113 R)
• M6: 2,988,965 km (0.066 R)
• M7: 6,318,416 km (0.096 R)
• M8: 6,817,175 km (0.068 R)
• M9: 10,560,562 km (0.111 R)
• M10: 16,721,302 km (0.047 R)
• M11: 17,149,152 km (0.11 R)
• M12: 17,409,452 km (0.1 R)
• M13: 20,938,017 km (0.119 R)
• M14: 21,335,200 km (0.085 R)
• M15: 25,699,119 km (0.087 R)
• M16: 28,269,061 km (0.045 R)
• M17: 28,632,284 km (0.096 R)
• M18: 35,432,854 km (0.117 R)
• M19: 35,855,169 km (0.099 R)
• M20: 45,184,840 km (0.049 R)
• M21: 46,517,009 km (0.069 R)
• M22: 55,251,580 km (0.071 R)
• M23: 57,934,169 km (0.066 R)
• M24: 60,301,555 km (0.087 R)
• M25: 61,306,703 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.4

Radius: 6.8

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.3 AU - 11.16 AU

Year: 23839 Days

Day: 23.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,358,050 km

• M1: 84,523 km (0.106 R)
• M2: 317,297 km (0.053 R)
• M3: 938,278 km (0.035 R)
• M4: 1,649,017 km (0.096 R)
• M5: 2,848,792 km (0.112 R)
• M6: 3,972,123 km (0.091 R)
• M7: 4,544,185 km (0.119 R)
• M8: 5,208,399 km (0.11 R)
• M9: 6,412,064 km (0.051 R)
• M10: 7,294,841 km (0.114 R)
• M11: 8,203,498 km (0.111 R)
• M12: 8,905,262 km (0.047 R)
• M13: 9,471,789 km (0.106 R)
• M14: 9,941,975 km (0.07 R)
• M15: 11,845,159 km (0.109 R)
• M16: 12,390,892 km (0.062 R)
• M17: 13,168,652 km (0.112 R)
• M18: 13,386,317 km (0.081 R)
• M19: 14,899,499 km (0.092 R)
• M20: 15,616,223 km (0.051 R)
• M21: 16,861,475 km (0.108 R)
• M22: 20,992,920 km (0.071 R)
• M23: 24,969,081 km (0.05 R)
• M24: 26,093,160 km (0.114 R)
• M25: 33,690,637 km (0.104 R)
• M26: 39,399,591 km (0.096 R)
• M27: 40,003,518 km (0.109 R)
• M28: 42,481,756 km (0.117 R)
• M29: 45,887,052 km (0.051 R)
• M30: 53,051,594 km (0.066 R)
• M31: 56,610,826 km (0.065 R)
• M32: 65,457,446 km (0.075 R)
• M33: 67,804,637 km (0.065 R)
• M34: 76,111,208 km (0.213 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 18,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit