🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.4

Radius: 13

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.55 AU - 0.61 AU

Year: 310 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 85.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,811,280 km

• M1: 161,715 km (0.073 R)
• M2: 578,495 km (0.082 R)
• M3: 1,033,422 km (0.11 R)
• M4: 1,442,722 km (0.112 R)
• M5: 2,137,155 km (0.027 R)
• M6: 2,952,613 km (0.058 R)
• M7: 3,648,393 km (0.117 R)
• M8: 4,303,033 km (0.051 R)
• M9: 4,715,474 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.3

Radius: 14.1

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.44 AU - 0.72 AU

Year: 310 Days

Day: 10.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,811,280 km

• M1: 175,628 km (0.072 R)
• M2: 633,248 km (0.059 R)
• M3: 1,094,009 km (0.068 R)
• M4: 1,548,787 km (0.115 R)
• M5: 1,996,982 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.5

Radius: 10.7

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.57 AU - 0.59 AU

Year: 310 Days

Day: 14.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,811,280 km

• M1: 133,142 km (0.068 R)
• M2: 484,548 km (0.058 R)
• M3: 844,480 km (0.107 R)
• M4: 1,259,315 km (0.074 R)
• M5: 1,626,278 km (0.114 R)
• M6: 2,044,255 km (0.11 R)
• M7: 2,776,836 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.4

Radius: 8.5

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.55 AU - 0.77 AU

Year: 377 Days

Day: 6.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,811,280 km

• M1: 105,766 km (0.104 R)
• M2: 384,616 km (0.06 R)
• M3: 722,707 km (0.089 R)
• M4: 994,227 km (0.115 R)
• M5: 1,437,187 km (0.118 R)
• M6: 1,885,382 km (0.077 R)
• M7: 2,424,233 km (0.103 R)
• M8: 2,989,713 km (0.107 R)
• M9: 3,747,277 km (0.109 R)
• M10: 4,223,297 km (0.046 R)
• M11: 4,489,731 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 12.6

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.91 AU - 0.91 AU

Year: 610 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,811,280 km

• M1: 156,779 km (0.103 R)
• M2: 673,639 km (0.107 R)
• M3: 1,169,407 km (0.108 R)
• M4: 1,691,204 km (0.117 R)
• M5: 2,346,742 km (0.027 R)
• M6: 2,769,206 km (0.07 R)
• M7: 3,425,791 km (0.106 R)
• M8: 3,885,505 km (0.1 R)
• M9: 4,628,259 km (0.095 R)
• M10: 5,139,136 km (0.116 R)
• M11: 5,976,136 km (0.116 R)
• M12: 6,880,455 km (0.067 R)
• M13: 7,873,934 km (0.085 R)
• M14: 8,307,020 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 12.7

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.12 AU - 1.66 AU

Year: 1152 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,811,280 km

• M1: 158,275 km (0.089 R)
• M2: 626,665 km (0.111 R)
• M3: 1,103,284 km (0.056 R)
• M4: 1,531,882 km (0.109 R)
• M5: 1,957,638 km (0.104 R)
• M6: 2,794,488 km (0.114 R)
• M7: 3,549,359 km (0.088 R)
• M8: 4,254,713 km (0.108 R)
• M9: 4,873,001 km (0.069 R)
• M10: 6,502,870 km (0.063 R)
• M11: 7,455,509 km (0.102 R)
• M12: 8,643,466 km (0.094 R)
• M13: 9,146,563 km (0.081 R)
• M14: 10,017,971 km (0.101 R)
• M15: 10,774,338 km (0.099 R)
• M16: 11,253,201 km (0.046 R)
• M17: 12,475,714 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.9

Radius: 10.9

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.73 AU - 5.37 AU

Year: 7977 Days

Day: 7.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 23,811,280 km

• M1: 135,536 km (0.08 R)
• M2: 502,948 km (0.099 R)
• M3: 865,573 km (0.104 R)
• M4: 1,306,289 km (0.105 R)
• M5: 1,764,956 km (0.116 R)
• M6: 2,278,675 km (0.114 R)
• M7: 2,637,111 km (0.119 R)
• M8: 3,075,283 km (0.08 R)
• M9: 4,496,314 km (0.095 R)
• M10: 5,215,431 km (0.119 R)
• M11: 7,678,859 km (0.118 R)
• M12: 8,409,644 km (0.079 R)
• M13: 10,343,346 km (0.118 R)
• M14: 10,932,014 km (0.108 R)
• M15: 12,945,003 km (0.106 R)
• M16: 13,398,434 km (0.064 R)
• M17: 13,862,337 km (0.116 R)
• M18: 15,826,408 km (0.091 R)
• M19: 17,348,117 km (0.112 R)
• M20: 17,829,972 km (0.117 R)
• M21: 18,748,652 km (0.118 R)
• M22: 21,300,642 km (0.043 R)
• M23: 24,675,570 km (0.062 R)
• M24: 26,717,133 km (0.079 R)
• M25: 30,233,879 km (0.12 R)
• M26: 31,845,946 km (0.108 R)
• M27: 33,197,263 km (0.092 R)
• M28: 36,349,291 km (0.109 R)
• M29: 38,055,305 km (0.034 R)
• M30: 39,340,051 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.2

Radius: 8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.17 AU - 6.21 AU

Year: 9541 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,811,280 km

• M1: 99,483 km (0.105 R)
• M2: 379,679 km (0.093 R)
• M3: 700,118 km (0.099 R)
• M4: 1,050,027 km (0.1 R)
• M5: 1,357,750 km (0.083 R)
• M6: 1,941,032 km (0.064 R)
• M7: 3,264,375 km (0.104 R)
• M8: 4,708,443 km (0.119 R)
• M9: 5,312,669 km (0.041 R)
• M10: 7,362,310 km (0.112 R)
• M11: 11,271,751 km (0.113 R)
• M12: 13,609,367 km (0.113 R)
• M13: 14,951,709 km (0.104 R)
• M14: 20,382,111 km (0.068 R)
• M15: 20,905,405 km (0.099 R)
• M16: 22,292,028 km (0.095 R)
• M17: 22,687,863 km (0.071 R)
• M18: 24,151,679 km (0.101 R)
• M19: 34,807,535 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.5

Radius: 6.9

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.86 AU - 6 AU

Year: 10151 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,811,280 km

• M1: 85,869 km (0.076 R)
• M2: 334,950 km (0.044 R)
• M3: 855,999 km (0.092 R)
• M4: 1,239,568 km (0.112 R)
• M5: 2,440,689 km (0.077 R)
• M6: 2,792,543 km (0.095 R)
• M7: 3,141,406 km (0.114 R)
• M8: 4,319,639 km (0.041 R)
• M9: 4,933,738 km (0.101 R)
• M10: 5,685,766 km (0.099 R)
• M11: 6,661,743 km (0.07 R)
• M12: 7,126,095 km (0.093 R)
• M13: 8,867,713 km (0.11 R)
• M14: 9,315,459 km (0.08 R)
• M15: 9,661,030 km (0.108 R)
• M16: 11,562,719 km (0.082 R)
• M17: 15,548,006 km (0.104 R)
• M18: 16,144,004 km (0.047 R)
• M19: 16,475,513 km (0.112 R)
• M20: 17,671,548 km (0.115 R)
• M21: 20,044,469 km (0.101 R)
• M22: 21,873,602 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 18,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit