🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 14.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.14 AU - 1.22 AU

Year: 828 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,173,886 km

• M1: 181,761 km (0.089 R)
• M2: 637,885 km (0.061 R)
• M3: 1,124,976 km (0.11 R)
• M4: 1,641,089 km (0.076 R)
• M5: 2,149,273 km (0.114 R)
• M6: 2,964,880 km (0.105 R)
• M7: 3,861,271 km (0.047 R)
• M8: 4,543,736 km (0.11 R)
• M9: 5,215,131 km (0.071 R)
• M10: 5,737,378 km (0.042 R)
• M11: 7,311,446 km (0.048 R)
• M12: 7,919,562 km (0.109 R)
• M13: 8,586,619 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.7

Radius: 8.6

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.9 AU - 2.38 AU

Year: 2021 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,173,886 km

• M1: 107,262 km (0.073 R)
• M2: 517,758 km (0.084 R)
• M3: 829,819 km (0.114 R)
• M4: 1,302,399 km (0.087 R)
• M5: 1,913,207 km (0.047 R)
• M6: 2,199,089 km (0.062 R)
• M7: 2,887,239 km (0.096 R)
• M8: 3,218,748 km (0.112 R)
• M9: 4,685,106 km (0.118 R)
• M10: 5,657,043 km (0.099 R)
• M11: 6,375,861 km (0.118 R)
• M12: 6,835,725 km (0.076 R)
• M13: 8,023,831 km (0.111 R)
• M14: 8,529,622 km (0.093 R)
• M15: 9,737,325 km (0.117 R)
• M16: 10,005,405 km (0.096 R)
• M17: 10,416,799 km (0.105 R)
• M18: 10,768,204 km (0.042 R)
• M19: 11,606,700 km (0.073 R)
• M20: 11,984,585 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 9.2

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.76 AU - 2.52 AU

Year: 2021 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,173,886 km

• M1: 114,742 km (0.094 R)
• M2: 587,770 km (0.038 R)
• M3: 879,037 km (0.087 R)
• M4: 1,203,066 km (0.117 R)
• M5: 1,648,868 km (0.076 R)
• M6: 2,665,684 km (0.067 R)
• M7: 3,111,337 km (0.102 R)
• M8: 4,074,148 km (0.098 R)
• M9: 5,154,544 km (0.044 R)
• M10: 5,823,546 km (0.076 R)
• M11: 6,389,026 km (0.115 R)
• M12: 7,719,400 km (0.109 R)
• M13: 9,396,691 km (0.118 R)
• M14: 9,958,281 km (0.062 R)
• M15: 11,539,681 km (0.068 R)
• M16: 13,412,496 km (0.111 R)
• M17: 14,490,349 km (0.099 R)
• M18: 15,527,960 km (0.108 R)
• M19: 17,176,379 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.5

Radius: 13.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.35 AU - 3.57 AU

Year: 3288 Days

Day: 13.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,173,886 km

• M1: 170,392 km (0.048 R)
• M2: 1,847,235 km (0.101 R)
• M3: 2,627,986 km (0.101 R)
• M4: 3,378,219 km (0.098 R)
• M5: 4,120,973 km (0.028 R)
• M6: 5,032,472 km (0.114 R)
• M7: 5,818,310 km (0.032 R)
• M8: 6,362,248 km (0.105 R)
• M9: 7,389,387 km (0.047 R)
• M10: 8,230,127 km (0.077 R)
• M11: 9,707,256 km (0.108 R)
• M12: 10,136,153 km (0.026 R)
• M13: 10,855,869 km (0.107 R)
• M14: 11,831,097 km (0.099 R)
• M15: 12,629,351 km (0.102 R)
• M16: 13,061,540 km (0.107 R)
• M17: 13,749,241 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.5

Radius: 9.2

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.2 AU - 3.46 AU

Year: 3924 Days

Day: 8.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,173,886 km

• M1: 115,190 km (0.112 R)
• M2: 465,399 km (0.056 R)
• M3: 1,294,022 km (0.116 R)
• M4: 3,045,065 km (0.095 R)
• M5: 4,455,922 km (0.106 R)
• M6: 4,960,965 km (0.088 R)
• M7: 6,085,641 km (0.104 R)
• M8: 6,987,417 km (0.109 R)
• M9: 7,339,571 km (0.076 R)
• M10: 8,831,361 km (0.105 R)
• M11: 9,358,095 km (0.063 R)
• M12: 10,808,745 km (0.115 R)
• M13: 11,455,307 km (0.11 R)
• M14: 12,873,346 km (0.057 R)
• M15: 13,649,310 km (0.037 R)
• M16: 15,671,275 km (0.081 R)
• M17: 16,109,447 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214

Radius: 9.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.86 AU - 4.32 AU

Year: 4392 Days

Day: 5.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,173,886 km

• M1: 119,529 km (0.06 R)
• M2: 892,800 km (0.108 R)
• M3: 1,368,970 km (0.114 R)
• M4: 2,158,697 km (0.099 R)
• M5: 2,581,760 km (0.107 R)
• M6: 3,632,386 km (0.044 R)
• M7: 4,526,682 km (0.056 R)
• M8: 5,862,142 km (0.055 R)
• M9: 6,253,640 km (0.07 R)
• M10: 6,774,390 km (0.093 R)
• M11: 7,503,530 km (0.05 R)
• M12: 8,028,619 km (0.118 R)
• M13: 9,290,925 km (0.119 R)
• M14: 9,932,999 km (0.093 R)
• M15: 10,757,732 km (0.083 R)
• M16: 13,868,471 km (0.095 R)
• M17: 14,754,838 km (0.119 R)
• M18: 15,827,604 km (0.087 R)
• M19: 17,004,042 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.1

Radius: 11.2

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.32 AU - 4.98 AU

Year: 5459 Days

Day: 10.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,173,886 km

• M1: 139,724 km (0.089 R)
• M2: 794,813 km (0.055 R)
• M3: 1,223,262 km (0.083 R)
• M4: 1,684,322 km (0.083 R)
• M5: 2,480,333 km (0.116 R)
• M6: 7,025,565 km (0.106 R)
• M7: 8,562,234 km (0.067 R)
• M8: 11,025,812 km (0.12 R)
• M9: 12,819,640 km (0.115 R)
• M10: 15,463,334 km (0.111 R)
• M11: 18,937,146 km (0.103 R)
• M12: 19,574,732 km (0.105 R)
• M13: 25,116,884 km (0.08 R)
• M14: 26,146,716 km (0.114 R)
• M15: 27,473,350 km (0.116 R)
• M16: 29,878,435 km (0.109 R)
• M17: 31,623,494 km (0.08 R)
• M18: 32,925,444 km (0.072 R)
• M19: 34,471,688 km (0.064 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 20,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit