🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.4

Radius: 9.2

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.83 AU - 1.21 AU

Year: 699 Days

Day: 14.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,884,391 km

• M1: 114,442 km (0.112 R)
• M2: 427,252 km (0.083 R)
• M3: 722,259 km (0.09 R)
• M4: 1,040,453 km (0.051 R)
• M5: 1,364,333 km (0.08 R)
• M6: 1,788,742 km (0.079 R)
• M7: 3,314,790 km (0.091 R)
• M8: 4,220,455 km (0.108 R)
• M9: 4,603,725 km (0.106 R)
• M10: 5,691,900 km (0.108 R)
• M11: 6,942,987 km (0.104 R)
• M12: 7,239,639 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.6

Radius: 8.6

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.16 AU - 1.94 AU

Year: 1309 Days

Day: 12.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,884,391 km

• M1: 106,962 km (0.105 R)
• M2: 408,701 km (0.089 R)
• M3: 677,529 km (0.093 R)
• M4: 1,057,507 km (0.09 R)
• M5: 1,503,907 km (0.105 R)
• M6: 1,782,010 km (0.11 R)
• M7: 2,989,713 km (0.108 R)
• M8: 3,450,475 km (0.1 R)
• M9: 4,533,863 km (0.112 R)
• M10: 5,358,147 km (0.069 R)
• M11: 5,783,005 km (0.076 R)
• M12: 6,278,772 km (0.092 R)
• M13: 6,828,245 km (0.029 R)
• M14: 8,342,176 km (0.086 R)
• M15: 9,869,121 km (0.034 R)
• M16: 10,997,089 km (0.103 R)
• M17: 13,064,532 km (0.086 R)
• M18: 13,793,971 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.8

Radius: 10

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.3 AU - 2.56 AU

Year: 2569 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,884,391 km

• M1: 124,465 km (0.065 R)
• M2: 531,372 km (0.092 R)
• M3: 937,530 km (0.049 R)
• M4: 1,437,037 km (0.037 R)
• M5: 2,181,885 km (0.082 R)
• M6: 2,495,292 km (0.11 R)
• M7: 3,500,141 km (0.111 R)
• M8: 4,441,710 km (0.095 R)
• M9: 5,016,166 km (0.064 R)
• M10: 6,339,509 km (0.095 R)
• M11: 8,757,459 km (0.04 R)
• M12: 9,285,839 km (0.113 R)
• M13: 12,011,213 km (0.108 R)
• M14: 12,375,484 km (0.032 R)
• M15: 13,512,727 km (0.062 R)
• M16: 14,444,422 km (0.114 R)
• M17: 14,810,488 km (0.078 R)
• M18: 15,418,454 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 10.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.4 AU - 2.78 AU

Year: 2827 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,884,391 km

• M1: 127,009 km (0.068 R)
• M2: 451,786 km (0.055 R)
• M3: 848,818 km (0.037 R)
• M4: 1,230,143 km (0.075 R)
• M5: 2,958,747 km (0.103 R)
• M6: 3,312,246 km (0.091 R)
• M7: 4,152,986 km (0.097 R)
• M8: 5,487,549 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 10.3

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.67 AU - 4.67 AU

Year: 5776 Days

Day: 9.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,884,391 km

• M1: 128,205 km (0.091 R)
• M2: 569,369 km (0.111 R)
• M3: 1,116,150 km (0.112 R)
• M4: 1,667,418 km (0.107 R)
• M5: 2,095,118 km (0.088 R)
• M6: 2,902,947 km (0.105 R)
• M7: 3,441,798 km (0.101 R)
• M8: 4,046,323 km (0.086 R)
• M9: 4,641,872 km (0.1 R)
• M10: 5,673,350 km (0.082 R)
• M11: 6,420,142 km (0.118 R)
• M12: 6,987,717 km (0.105 R)
• M13: 8,223,395 km (0.07 R)
• M14: 11,122,602 km (0.101 R)
• M15: 11,455,307 km (0.093 R)
• M16: 12,595,393 km (0.071 R)
• M17: 13,325,580 km (0.085 R)
• M18: 13,647,066 km (0.064 R)
• M19: 15,042,515 km (0.111 R)
• M20: 15,745,176 km (0.111 R)
• M21: 16,165,097 km (0.085 R)
• M22: 17,984,955 km (0.112 R)
• M23: 18,776,478 km (0.081 R)
• M24: 19,316,975 km (0.077 R)
• M25: 20,785,278 km (0.084 R)
• M26: 22,856,909 km (0.104 R)
• M27: 24,338,826 km (0.114 R)
• M28: 25,553,111 km (0.088 R)
• M29: 28,278,037 km (0.113 R)
• M30: 30,168,206 km (0.077 R)
• M31: 31,379,500 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.7

Radius: 4.5

Gravity: 36.82 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.22 AU - 6.58 AU

Year: 9720 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,884,391 km

• M1: 71,807 km (0.082 R)
• M2: 215,870 km (0.083 R)
• M3: 536,308 km (0.11 R)
• M4: 1,162,974 km (0.06 R)
• M5: 1,440,627 km (0.119 R)
• M6: 1,730,399 km (0.077 R)
• M7: 2,944,834 km (0.071 R)
• M8: 3,739,797 km (0.102 R)
• M9: 3,952,226 km (0.059 R)
• M10: 4,518,903 km (0.093 R)
• M11: 5,953,247 km (0.071 R)
• M12: 6,354,319 km (0.044 R)
• M13: 6,580,511 km (0.1 R)
• M14: 7,665,993 km (0.059 R)
• M15: 8,452,579 km (0.086 R)
• M16: 9,100,637 km (0.089 R)
• M17: 9,632,457 km (0.057 R)
• M18: 10,758,032 km (0.113 R)
• M19: 11,079,667 km (0.109 R)
• M20: 12,724,944 km (0.112 R)
• M21: 14,332,523 km (0.096 R)
• M22: 14,919,246 km (0.113 R)
• M23: 15,657,661 km (0.113 R)
• M24: 17,795,415 km (0.118 R)
• M25: 20,854,990 km (0.098 R)
• M26: 22,205,560 km (0.059 R)
• M27: 22,378,345 km (0.118 R)
• M28: 26,702,622 km (0.092 R)
• M29: 38,305,582 km (0.073 R)
• M30: 38,803,892 km (0.094 R)
• M31: 42,947,454 km (0.101 R)
• M32: 47,806,692 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.9

Radius: 4.9

Gravity: 18.82 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.35 AU - 8.45 AU

Year: 12293 Days

Day: 18.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,884,391 km

• M1: 60,886 km (0.07 R)
• M2: 249,529 km (0.103 R)
• M3: 817,253 km (0.119 R)
• M4: 1,044,642 km (0.077 R)
• M5: 1,957,189 km (0.095 R)
• M6: 2,218,686 km (0.038 R)
• M7: 2,811,393 km (0.096 R)
• M8: 3,261,383 km (0.057 R)
• M9: 5,931,855 km (0.031 R)
• M10: 7,140,456 km (0.089 R)
• M11: 9,488,694 km (0.085 R)
• M12: 11,513,800 km (0.113 R)
• M13: 12,018,992 km (0.053 R)
• M14: 12,774,761 km (0.088 R)
• M15: 14,380,095 km (0.081 R)
• M16: 14,768,900 km (0.043 R)
• M17: 15,231,307 km (0.117 R)
• M18: 16,254,407 km (0.109 R)
• M19: 18,588,732 km (0.095 R)
• M20: 18,972,600 km (0.078 R)
• M21: 19,283,465 km (0.054 R)
• M22: 19,440,094 km (0.072 R)
• M23: 20,398,268 km (0.105 R)
• M24: 21,724,304 km (0.043 R)
• M25: 23,283,413 km (0.053 R)
• M26: 26,045,288 km (0.109 R)
• M27: 27,603,949 km (0.04 R)
• M28: 40,036,429 km (0.112 R)
• M29: 43,573,222 km (0.058 R)
• M30: 46,464,051 km (0.087 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: 288 - 19,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit