🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.6

Radius: 12.4

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.68 AU - 0.94 AU

Year: 478 Days

Day: 8.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,533,299 km

• M1: 154,235 km (0.114 R)
• M2: 584,778 km (0.118 R)
• M3: 1,011,132 km (0.097 R)
• M4: 1,436,140 km (0.087 R)
• M5: 1,855,014 km (0.1 R)
• M6: 2,319,665 km (0.05 R)
• M7: 2,726,571 km (0.09 R)
• M8: 3,227,275 km (0.116 R)
• M9: 3,649,141 km (0.086 R)
• M10: 4,176,473 km (0.044 R)
• M11: 4,634,692 km (0.088 R)
• M12: 5,585,087 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.5

Radius: 13.6

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.8 AU - 1.32 AU

Year: 716 Days

Day: 11.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 164.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,533,299 km

• M1: 170,841 km (0.07 R)
• M2: 595,549 km (0.08 R)
• M3: 1,193,193 km (0.102 R)
• M4: 1,743,414 km (0.103 R)
• M5: 2,414,210 km (0.116 R)
• M6: 3,347,701 km (0.093 R)
• M7: 3,878,474 km (0.113 R)
• M8: 4,719,514 km (0.079 R)
• M9: 5,356,501 km (0.08 R)
• M10: 6,177,794 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.2

Radius: 9.9

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.18 AU - 2.34 AU

Year: 2229 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,533,299 km

• M1: 123,119 km (0.11 R)
• M2: 560,244 km (0.085 R)
• M3: 1,003,802 km (0.099 R)
• M4: 2,015,532 km (0.118 R)
• M5: 3,022,924 km (0.099 R)
• M6: 3,389,738 km (0.086 R)
• M7: 5,259,562 km (0.115 R)
• M8: 5,818,011 km (0.033 R)
• M9: 6,282,363 km (0.048 R)
• M10: 7,825,315 km (0.093 R)
• M11: 8,263,487 km (0.104 R)
• M12: 8,586,619 km (0.047 R)
• M13: 9,223,606 km (0.039 R)
• M14: 9,855,807 km (0.088 R)
• M15: 10,516,730 km (0.077 R)
• M16: 11,643,202 km (0.065 R)
• M17: 12,049,809 km (0.07 R)
• M18: 12,507,878 km (0.111 R)
• M19: 13,194,981 km (0.071 R)
• M20: 14,832,928 km (0.077 R)
• M21: 15,262,723 km (0.104 R)
• M22: 17,537,658 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.7

Radius: 8.9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.72 AU - 4.36 AU

Year: 4369 Days

Day: 8.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,533,299 km

• M1: 111,002 km (0.1 R)
• M2: 416,480 km (0.04 R)
• M3: 825,930 km (0.113 R)
• M4: 1,379,442 km (0.079 R)
• M5: 1,983,518 km (0.106 R)
• M6: 2,415,258 km (0.109 R)
• M7: 2,804,960 km (0.064 R)
• M8: 3,922,456 km (0.089 R)
• M9: 4,463,103 km (0.092 R)
• M10: 4,751,528 km (0.098 R)
• M11: 5,339,447 km (0.11 R)
• M12: 6,507,059 km (0.093 R)
• M13: 7,871,242 km (0.118 R)
• M14: 8,843,179 km (0.118 R)
• M15: 10,178,490 km (0.091 R)
• M16: 10,511,345 km (0.059 R)
• M17: 10,808,446 km (0.098 R)
• M18: 11,242,729 km (0.093 R)
• M19: 12,999,756 km (0.096 R)
• M20: 16,760,347 km (0.101 R)
• M21: 17,579,096 km (0.098 R)
• M22: 19,359,460 km (0.074 R)
• M23: 19,742,281 km (0.03 R)
• M24: 21,256,810 km (0.099 R)
• M25: 25,190,037 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.5

Radius: 12.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.37 AU - 4.87 AU

Year: 5486 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,533,299 km

• M1: 153,487 km (0.114 R)
• M2: 537,356 km (0.068 R)
• M3: 1,024,446 km (0.073 R)
• M4: 1,787,096 km (0.104 R)
• M5: 2,963,983 km (0.095 R)
• M6: 4,201,157 km (0.1 R)
• M7: 6,443,180 km (0.111 R)
• M8: 8,043,728 km (0.098 R)
• M9: 8,631,947 km (0.086 R)
• M10: 9,074,607 km (0.119 R)
• M11: 9,460,869 km (0.052 R)
• M12: 10,042,505 km (0.052 R)
• M13: 10,455,994 km (0.115 R)
• M14: 11,560,475 km (0.094 R)
• M15: 12,395,829 km (0.1 R)
• M16: 17,781,652 km (0.111 R)
• M17: 18,724,866 km (0.108 R)
• M18: 19,410,473 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.4

Radius: 11.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.83 AU - 5.71 AU

Year: 7936 Days

Day: 7.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,533,299 km

• M1: 144,212 km (0.102 R)
• M2: 633,248 km (0.08 R)
• M3: 1,580,801 km (0.052 R)
• M4: 2,351,080 km (0.102 R)
• M5: 3,185,387 km (0.115 R)
• M6: 4,656,533 km (0.109 R)
• M7: 5,405,420 km (0.045 R)
• M8: 6,469,809 km (0.097 R)
• M9: 9,896,647 km (0.108 R)
• M10: 12,472,274 km (0.11 R)
• M11: 15,589,295 km (0.07 R)
• M12: 22,750,246 km (0.114 R)
• M13: 24,222,289 km (0.099 R)
• M14: 26,994,637 km (0.055 R)
• M15: 32,648,987 km (0.083 R)
• M16: 35,914,709 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.6

Radius: 5

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.68 AU - 7.44 AU

Year: 9786 Days

Day: 16.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,533,299 km

• M1: 74,949 km (0.116 R)
• M2: 388,206 km (0.116 R)
• M3: 580,889 km (0.083 R)
• M4: 821,592 km (0.069 R)
• M5: 1,020,706 km (0.089 R)
• M6: 1,230,442 km (0.098 R)
• M7: 1,492,987 km (0.068 R)
• M8: 2,616,168 km (0.063 R)
• M9: 2,914,167 km (0.101 R)
• M10: 3,758,647 km (0.094 R)
• M11: 4,543,138 km (0.117 R)
• M12: 5,227,847 km (0.078 R)
• M13: 5,401,979 km (0.109 R)
• M14: 6,496,138 km (0.118 R)
• M15: 9,029,877 km (0.12 R)
• M16: 9,238,716 km (0.06 R)
• M17: 11,170,473 km (0.07 R)
• M18: 11,704,687 km (0.07 R)
• M19: 13,627,020 km (0.076 R)
• M20: 14,519,969 km (0.113 R)
• M21: 14,922,537 km (0.037 R)
• M22: 18,684,624 km (0.092 R)
• M23: 18,955,845 km (0.086 R)
• M24: 19,506,066 km (0.042 R)
• M25: 22,039,207 km (0.111 R)
• M26: 25,607,416 km (0.116 R)
• M27: 26,877,352 km (0.117 R)
• M28: 27,659,150 km (0.115 R)
• M29: 28,905,301 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59

Radius: 5.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.83 AU - 7.91 AU

Year: 10547 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,533,299 km

• M1: 64,776 km (0.116 R)
• M2: 234,420 km (0.106 R)
• M3: 829,371 km (0.074 R)
• M4: 1,332,169 km (0.111 R)
• M5: 1,549,984 km (0.045 R)
• M6: 2,235,142 km (0.085 R)
• M7: 4,093,297 km (0.08 R)
• M8: 5,532,728 km (0.072 R)
• M9: 6,070,233 km (0.031 R)
• M10: 6,294,779 km (0.108 R)
• M11: 7,311,297 km (0.11 R)
• M12: 10,724,223 km (0.064 R)
• M13: 11,094,178 km (0.041 R)
• M14: 16,435,720 km (0.073 R)
• M15: 21,283,588 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.5

Radius: 4

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.26 AU - 10.22 AU

Year: 15517 Days

Day: 23.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,533,299 km

• M1: 49,816 km (0.1 R)
• M2: 437,275 km (0.096 R)
• M3: 569,669 km (0.12 R)
• M4: 1,956,890 km (0.112 R)
• M5: 2,884,247 km (0.077 R)
• M6: 3,911,536 km (0.037 R)
• M7: 4,492,723 km (0.09 R)
• M8: 9,235,125 km (0.081 R)
• M9: 16,249,321 km (0.091 R)
• M10: 20,646,002 km (0.088 R)
• M11: 22,555,021 km (0.072 R)
• M12: 37,721,103 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.1

Radius: 5.7

Gravity: 30.2 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.66 AU - 11.26 AU

Year: 20620 Days

Day: 16.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,533,299 km

• M1: 109,206 km (0.095 R)
• M2: 326,572 km (0.072 R)
• M3: 1,205,908 km (0.111 R)
• M4: 1,555,519 km (0.117 R)
• M5: 1,754,484 km (0.093 R)
• M6: 2,432,312 km (0.098 R)
• M7: 3,018,287 km (0.066 R)
• M8: 5,179,677 km (0.083 R)
• M9: 5,752,936 km (0.062 R)
• M10: 6,232,247 km (0.048 R)
• M11: 6,976,347 km (0.116 R)
• M12: 7,470,618 km (0.101 R)
• M13: 7,726,281 km (0.081 R)
• M14: 10,360,700 km (0.099 R)
• M15: 11,536,838 km (0.085 R)
• M16: 12,017,496 km (0.105 R)
• M17: 12,511,319 km (0.083 R)
• M18: 13,539,355 km (0.061 R)
• M19: 14,385,630 km (0.117 R)
• M20: 16,268,320 km (0.107 R)
• M21: 17,942,619 km (0.096 R)
• M22: 19,728,518 km (0.031 R)
• M23: 22,465,411 km (0.095 R)
• M24: 25,330,510 km (0.117 R)
• M25: 25,907,958 km (0.099 R)
• M26: 26,494,232 km (0.072 R)
• M27: 33,677,473 km (0.076 R)
• M28: 35,512,739 km (0.087 R)
• M29: 39,227,554 km (0.086 R)
• M30: 42,703,909 km (0.027 R)
• M31: 43,357,203 km (0.101 R)
• M32: 45,019,834 km (0.041 R)
• M33: 45,696,465 km (0.047 R)
• M34: 46,037,398 km (0.101 R)
• M35: 53,217,049 km (0.093 R)
• M36: 53,783,726 km (0.092 R)
• M37: 72,715,785 km (0.072 R)
• M38: 73,881,152 km (0.079 R)
• M39: 74,350,740 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 18,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit