🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99

Radius: 11

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.75 AU - 0.93 AU

Year: 497 Days

Day: 7.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,963,477 km

• M1: 136,732 km (0.081 R)
• M2: 542,292 km (0.116 R)
• M3: 964,607 km (0.1 R)
• M4: 1,380,639 km (0.117 R)
• M5: 2,580,264 km (0.026 R)
• M6: 3,227,574 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.5

Radius: 9.5

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.71 AU - 1.01 AU

Year: 515 Days

Day: 9.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 168.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,963,477 km

• M1: 119,379 km (0.104 R)
• M2: 565,630 km (0.095 R)
• M3: 879,785 km (0.09 R)
• M4: 1,196,633 km (0.102 R)
• M5: 1,504,057 km (0.094 R)
• M6: 2,053,530 km (0.077 R)
• M7: 2,572,784 km (0.119 R)
• M8: 3,070,496 km (0.064 R)
• M9: 3,526,919 km (0.116 R)
• M10: 4,499,006 km (0.054 R)
• M11: 5,342,589 km (0.062 R)
• M12: 5,967,459 km (0.091 R)
• M13: 6,985,024 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 12.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.62 AU - 2.26 AU

Year: 1745 Days

Day: 9.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,963,477 km

• M1: 150,645 km (0.084 R)
• M2: 595,699 km (0.111 R)
• M3: 1,088,773 km (0.042 R)
• M4: 1,477,578 km (0.06 R)
• M5: 2,038,720 km (0.096 R)
• M6: 2,523,866 km (0.098 R)
• M7: 3,349,048 km (0.113 R)
• M8: 3,851,547 km (0.104 R)
• M9: 4,619,582 km (0.113 R)
• M10: 5,029,929 km (0.068 R)
• M11: 6,765,863 km (0.096 R)
• M12: 7,324,312 km (0.083 R)
• M13: 7,713,416 km (0.076 R)
• M14: 8,145,754 km (0.081 R)
• M15: 8,840,187 km (0.068 R)
• M16: 9,314,113 km (0.116 R)
• M17: 10,039,812 km (0.075 R)
• M18: 11,529,807 km (0.098 R)
• M19: 13,489,988 km (0.109 R)
• M20: 14,419,440 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 8.1

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.87 AU - 2.43 AU

Year: 2036 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,963,477 km

• M1: 102,026 km (0.087 R)
• M2: 492,327 km (0.074 R)
• M3: 1,033,572 km (0.096 R)
• M4: 1,352,514 km (0.116 R)
• M5: 1,778,270 km (0.045 R)
• M6: 2,169,020 km (0.088 R)
• M7: 2,482,577 km (0.036 R)
• M8: 2,855,225 km (0.12 R)
• M9: 3,782,732 km (0.098 R)
• M10: 4,296,600 km (0.091 R)
• M11: 5,418,584 km (0.058 R)
• M12: 5,809,185 km (0.066 R)
• M13: 6,367,484 km (0.108 R)
• M14: 6,776,634 km (0.119 R)
• M15: 7,340,169 km (0.105 R)
• M16: 7,992,715 km (0.059 R)
• M17: 10,114,761 km (0.11 R)
• M18: 10,886,536 km (0.1 R)
• M19: 12,155,725 km (0.05 R)
• M20: 12,547,073 km (0.099 R)
• M21: 12,987,190 km (0.108 R)
• M22: 14,896,058 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 12.4

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.13 AU - 4.35 AU

Year: 4670 Days

Day: 9.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,963,477 km

• M1: 154,385 km (0.097 R)
• M2: 606,619 km (0.09 R)
• M3: 1,171,651 km (0.112 R)
• M4: 3,471,718 km (0.114 R)
• M5: 3,907,646 km (0.067 R)
• M6: 4,331,307 km (0.081 R)
• M7: 5,441,174 km (0.075 R)
• M8: 6,186,919 km (0.082 R)
• M9: 8,485,191 km (0.094 R)
• M10: 9,323,089 km (0.073 R)
• M11: 10,569,838 km (0.074 R)
• M12: 10,978,539 km (0.04 R)
• M13: 11,587,552 km (0.075 R)
• M14: 12,071,351 km (0.035 R)
• M15: 13,235,223 km (0.097 R)
• M16: 13,817,607 km (0.111 R)
• M17: 14,417,196 km (0.105 R)
• M18: 16,081,173 km (0.108 R)
• M19: 17,552,318 km (0.067 R)
• M20: 18,062,148 km (0.069 R)
• M21: 18,911,714 km (0.093 R)
• M22: 19,583,109 km (0.084 R)
• M23: 20,549,811 km (0.059 R)
• M24: 21,331,460 km (0.118 R)
• M25: 22,206,607 km (0.1 R)
• M26: 23,873,127 km (0.059 R)
• M27: 26,694,094 km (0.076 R)
• M28: 30,546,688 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.6

Radius: 7

Gravity: 16.79 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.38 AU - 6.66 AU

Year: 9537 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,963,477 km

• M1: 87,066 km (0.105 R)
• M2: 430,393 km (0.104 R)
• M3: 811,718 km (0.092 R)
• M4: 1,391,111 km (0.112 R)
• M5: 2,128,179 km (0.045 R)
• M6: 2,623,797 km (0.1 R)
• M7: 3,896,576 km (0.093 R)
• M8: 4,790,124 km (0.029 R)
• M9: 5,991,544 km (0.081 R)
• M10: 6,395,608 km (0.043 R)
• M11: 6,739,683 km (0.032 R)
• M12: 8,240,748 km (0.055 R)
• M13: 8,556,699 km (0.075 R)
• M14: 9,406,116 km (0.081 R)
• M15: 9,751,238 km (0.089 R)
• M16: 10,624,740 km (0.086 R)
• M17: 12,944,105 km (0.07 R)
• M18: 13,997,873 km (0.104 R)
• M19: 22,583,444 km (0.086 R)
• M20: 22,935,747 km (0.104 R)
• M21: 28,364,654 km (0.102 R)
• M22: 34,127,613 km (0.05 R)
• M23: 35,890,025 km (0.047 R)
• M24: 36,249,658 km (0.117 R)
• M25: 40,754,649 km (0.103 R)
• M26: 42,069,165 km (0.092 R)
• M27: 42,736,970 km (0.112 R)
• M28: 43,006,097 km (0.039 R)
• M29: 43,276,270 km (0.094 R)
• M30: 48,628,134 km (0.104 R)
• M31: 48,921,346 km (0.088 R)
• M32: 49,363,557 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.8

Radius: 7.4

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.25 AU - 7.53 AU

Year: 10430 Days

Day: 20.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,963,477 km

• M1: 92,003 km (0.1 R)
• M2: 594,801 km (0.1 R)
• M3: 1,024,147 km (0.119 R)
• M4: 1,702,573 km (0.1 R)
• M5: 2,148,076 km (0.11 R)
• M6: 2,611,380 km (0.057 R)
• M7: 3,161,153 km (0.087 R)
• M8: 4,036,749 km (0.12 R)
• M9: 6,086,240 km (0.059 R)
• M10: 6,431,960 km (0.12 R)
• M11: 6,938,050 km (0.071 R)
• M12: 7,746,477 km (0.096 R)
• M13: 9,411,950 km (0.062 R)
• M14: 11,510,359 km (0.092 R)
• M15: 11,826,160 km (0.114 R)
• M16: 12,920,319 km (0.1 R)
• M17: 16,875,089 km (0.111 R)
• M18: 18,259,467 km (0.116 R)
• M19: 28,285,367 km (0.055 R)
• M20: 33,962,756 km (0.102 R)
• M21: 38,219,862 km (0.109 R)
• M22: 39,754,288 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.6

Radius: 3.3

Gravity: 70.3 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.73 AU - 7.57 AU

Year: 11073 Days

Day: 20.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,963,477 km

• M1: 41,139 km (0.104 R)
• M2: 231,578 km (0.115 R)
• M3: 688,300 km (0.083 R)
• M4: 902,524 km (0.082 R)
• M5: 1,019,809 km (0.078 R)
• M6: 1,246,749 km (0.113 R)
• M7: 1,392,906 km (0.026 R)
• M8: 1,641,238 km (0.072 R)
• M9: 1,751,791 km (0.114 R)
• M10: 2,361,253 km (0.075 R)
• M11: 2,649,229 km (0.106 R)
• M12: 2,824,109 km (0.101 R)
• M13: 3,294,893 km (0.08 R)
• M14: 3,627,599 km (0.071 R)
• M15: 4,211,928 km (0.09 R)
• M16: 4,480,606 km (0.105 R)
• M17: 6,851,732 km (0.087 R)
• M18: 10,856,168 km (0.114 R)
• M19: 11,078,470 km (0.064 R)
• M20: 11,647,241 km (0.076 R)
• M21: 13,726,951 km (0.051 R)
• M22: 14,052,177 km (0.088 R)
• M23: 14,718,187 km (0.045 R)
• M24: 18,523,807 km (0.091 R)
• M25: 19,568,299 km (0.072 R)
• M26: 21,511,127 km (0.031 R)
• M27: 22,394,652 km (0.115 R)
• M28: 23,210,110 km (0.064 R)
• M29: 24,422,750 km (0.113 R)
• M30: 28,522,928 km (0.066 R)
• M31: 30,901,235 km (0.047 R)
• M32: 33,878,383 km (0.041 R)
• M33: 34,233,678 km (0.115 R)
• M34: 39,997,983 km (0.099 R)
• M35: 41,062,222 km (0.096 R)
• M36: 47,402,628 km (0.093 R)
• M37: 52,921,144 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.2

Radius: 7.9

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.4 AU - 9.88 AU

Year: 16398 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,963,477 km

• M1: 98,884 km (0.118 R)
• M2: 428,299 km (0.087 R)
• M3: 837,150 km (0.103 R)
• M4: 1,123,929 km (0.111 R)
• M5: 1,797,568 km (0.112 R)
• M6: 2,536,881 km (0.117 R)
• M7: 2,831,888 km (0.098 R)
• M8: 3,330,946 km (0.118 R)
• M9: 4,407,303 km (0.11 R)
• M10: 5,042,645 km (0.114 R)
• M11: 7,049,949 km (0.077 R)
• M12: 8,753,420 km (0.076 R)
• M13: 9,864,932 km (0.075 R)
• M14: 11,673,720 km (0.068 R)
• M15: 12,623,816 km (0.099 R)
• M16: 23,216,243 km (0.105 R)
• M17: 24,107,846 km (0.096 R)
• M18: 25,331,856 km (0.094 R)
• M19: 32,445,085 km (0.116 R)
• M20: 33,184,847 km (0.096 R)
• M21: 35,862,798 km (0.111 R)
• M22: 38,681,671 km (0.108 R)
• M23: 39,373,860 km (0.036 R)
• M24: 39,793,183 km (0.108 R)
• M25: 41,068,954 km (0.029 R)
• M26: 43,702,026 km (0.115 R)
• M27: 44,302,063 km (0.074 R)
• M28: 50,772,919 km (0.096 R)
• M29: 56,594,819 km (0.101 R)
• M30: 62,846,365 km (0.111 R)
• M31: 64,575,118 km (0.097 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: 509 - 20,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit