🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.8

Radius: 13.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.57 AU - 0.85 AU

Year: 399 Days

Day: 11.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,782,906 km

• M1: 171,589 km (0.115 R)
• M2: 617,989 km (0.101 R)
• M3: 1,080,545 km (0.074 R)
• M4: 1,746,106 km (0.067 R)
• M5: 2,450,114 km (0.111 R)
• M6: 3,142,453 km (0.117 R)
• M7: 3,822,375 km (0.076 R)
• M8: 4,404,909 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.7

Radius: 12.8

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.75 AU - 0.83 AU

Year: 468 Days

Day: 14.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,782,906 km

• M1: 162,314 km (0.112 R)
• M2: 631,901 km (0.118 R)
• M3: 1,062,444 km (0.095 R)
• M4: 1,611,618 km (0.105 R)
• M5: 2,208,214 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.9

Radius: 12.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.17 AU - 1.27 AU

Year: 899 Days

Day: 9 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,782,906 km

• M1: 159,172 km (0.107 R)
• M2: 561,441 km (0.045 R)
• M3: 1,064,987 km (0.061 R)
• M4: 1,594,863 km (0.061 R)
• M5: 2,637,710 km (0.099 R)
• M6: 3,893,135 km (0.069 R)
• M7: 4,680,618 km (0.102 R)
• M8: 6,068,138 km (0.04 R)
• M9: 6,857,417 km (0.089 R)
• M10: 9,171,696 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.9

Radius: 10.9

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.87 AU - 2.53 AU

Year: 2176 Days

Day: 7.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,782,906 km

• M1: 135,685 km (0.117 R)
• M2: 577,298 km (0.077 R)
• M3: 968,197 km (0.117 R)
• M4: 1,600,548 km (0.104 R)
• M5: 2,134,014 km (0.118 R)
• M6: 2,664,188 km (0.098 R)
• M7: 3,488,772 km (0.113 R)
• M8: 4,475,669 km (0.108 R)
• M9: 5,254,176 km (0.033 R)
• M10: 5,889,219 km (0.027 R)
• M11: 6,493,146 km (0.065 R)
• M12: 7,312,793 km (0.116 R)
• M13: 7,886,351 km (0.118 R)
• M14: 9,021,200 km (0.032 R)
• M15: 9,645,772 km (0.076 R)
• M16: 12,352,296 km (0.105 R)
• M17: 13,519,908 km (0.095 R)
• M18: 15,774,946 km (0.078 R)
• M19: 17,043,835 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.6

Radius: 14.3

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.79 AU - 2.85 AU

Year: 2356 Days

Day: 5 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,782,906 km

• M1: 178,021 km (0.093 R)
• M2: 631,901 km (0.106 R)
• M3: 1,147,416 km (0.081 R)
• M4: 2,137,305 km (0.064 R)
• M5: 3,249,415 km (0.097 R)
• M6: 3,945,943 km (0.107 R)
• M7: 4,457,269 km (0.097 R)
• M8: 5,368,320 km (0.098 R)
• M9: 5,972,396 km (0.032 R)
• M10: 7,168,730 km (0.115 R)
• M11: 9,996,728 km (0.098 R)
• M12: 10,486,811 km (0.061 R)
• M13: 11,638,714 km (0.12 R)
• M14: 12,395,081 km (0.075 R)
• M15: 12,873,196 km (0.09 R)
• M16: 13,866,675 km (0.088 R)
• M17: 14,429,911 km (0.046 R)
• M18: 16,057,686 km (0.09 R)
• M19: 17,750,087 km (0.095 R)
• M20: 18,246,901 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.1

Radius: 14.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.61 AU - 3.89 AU

Year: 3907 Days

Day: 13.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,782,906 km

• M1: 181,612 km (0.104 R)
• M2: 1,139,637 km (0.093 R)
• M3: 1,944,623 km (0.097 R)
• M4: 2,803,913 km (0.082 R)
• M5: 3,322,419 km (0.118 R)
• M6: 3,803,376 km (0.106 R)
• M7: 4,694,232 km (0.108 R)
• M8: 10,617,709 km (0.118 R)
• M9: 13,939,230 km (0.097 R)
• M10: 14,790,442 km (0.111 R)
• M11: 16,707,539 km (0.118 R)
• M12: 20,772,712 km (0.085 R)
• M13: 22,285,146 km (0.097 R)
• M14: 23,034,033 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868

Radius: 9.4

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.59 AU - 4.77 AU

Year: 5699 Days

Day: 7 Hours

Environment

Temp: -223 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,782,906 km

• M1: 116,986 km (0.073 R)
• M2: 450,738 km (0.09 R)
• M3: 832,063 km (0.083 R)
• M4: 1,165,367 km (0.075 R)
• M5: 1,627,475 km (0.088 R)
• M6: 2,097,811 km (0.104 R)
• M7: 2,768,608 km (0.098 R)
• M8: 3,269,611 km (0.114 R)
• M9: 4,196,220 km (0.119 R)
• M10: 4,914,589 km (0.093 R)
• M11: 5,407,514 km (0.059 R)
• M12: 5,869,622 km (0.102 R)
• M13: 6,291,189 km (0.071 R)
• M14: 7,158,707 km (0.062 R)
• M15: 8,423,407 km (0.066 R)
• M16: 8,792,914 km (0.098 R)
• M17: 9,215,977 km (0.096 R)
• M18: 10,997,687 km (0.08 R)
• M19: 11,689,877 km (0.084 R)
• M20: 13,603,234 km (0.095 R)
• M21: 19,213,303 km (0.094 R)
• M22: 19,998,991 km (0.088 R)
• M23: 25,850,961 km (0.12 R)
• M24: 26,984,913 km (0.106 R)
• M25: 28,793,551 km (0.043 R)
• M26: 30,778,116 km (0.114 R)
• M27: 33,769,176 km (0.103 R)
• M28: 35,653,810 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199

Radius: 6.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6 AU - 6.72 AU

Year: 10696 Days

Day: 21.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,782,906 km

• M1: 84,523 km (0.052 R)
• M2: 614,548 km (0.06 R)
• M3: 1,307,485 km (0.072 R)
• M4: 1,629,719 km (0.114 R)
• M5: 2,141,194 km (0.09 R)
• M6: 2,367,087 km (0.025 R)
• M7: 2,905,639 km (0.112 R)
• M8: 3,457,506 km (0.091 R)
• M9: 4,274,161 km (0.058 R)
• M10: 4,959,319 km (0.086 R)
• M11: 7,345,704 km (0.1 R)
• M12: 10,406,177 km (0.109 R)
• M13: 11,987,876 km (0.118 R)
• M14: 16,913,834 km (0.115 R)
• M15: 21,444,406 km (0.115 R)
• M16: 22,423,225 km (0.11 R)
• M17: 24,146,742 km (0.073 R)
• M18: 24,958,759 km (0.038 R)
• M19: 26,125,772 km (0.117 R)
• M20: 31,063,998 km (0.09 R)
• M21: 31,445,622 km (0.095 R)
• M22: 31,734,047 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.5

Radius: 3.7

Gravity: 39.77 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.98 AU - 8.18 AU

Year: 11256 Days

Day: 20.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,782,906 km

• M1: 46,226 km (0.071 R)
• M2: 161,566 km (0.06 R)
• M3: 294,558 km (0.061 R)
• M4: 607,517 km (0.092 R)
• M5: 1,001,259 km (0.071 R)
• M6: 1,216,679 km (0.114 R)
• M7: 1,709,006 km (0.106 R)
• M8: 2,322,956 km (0.116 R)
• M9: 2,959,495 km (0.098 R)
• M10: 3,117,919 km (0.116 R)
• M11: 4,687,649 km (0.088 R)
• M12: 5,762,510 km (0.069 R)
• M13: 5,974,191 km (0.112 R)
• M14: 6,912,469 km (0.06 R)
• M15: 7,773,405 km (0.085 R)
• M16: 8,340,680 km (0.119 R)
• M17: 9,076,252 km (0.116 R)
• M18: 9,903,977 km (0.1 R)
• M19: 10,570,137 km (0.098 R)
• M20: 11,156,560 km (0.117 R)
• M21: 11,596,528 km (0.102 R)
• M22: 13,227,743 km (0.1 R)
• M23: 14,289,289 km (0.049 R)
• M24: 16,020,735 km (0.098 R)
• M25: 17,371,006 km (0.102 R)
• M26: 17,664,666 km (0.068 R)
• M27: 18,565,395 km (0.115 R)
• M28: 19,182,636 km (0.052 R)
• M29: 19,417,654 km (0.065 R)
• M30: 22,216,331 km (0.047 R)
• M31: 26,221,664 km (0.059 R)
• M32: 26,802,703 km (0.11 R)
• M33: 30,363,581 km (0.103 R)
• M34: 31,436,048 km (0.065 R)
• M35: 38,903,973 km (0.079 R)
• M36: 39,154,699 km (0.078 R)
• M37: 41,329,254 km (0.102 R)
• M38: 42,512,424 km (0.028 R)
• M39: 45,360,767 km (0.051 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.9

Radius: 6.5

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.86 AU - 13.08 AU

Year: 22592 Days

Day: 16.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,782,906 km

• M1: 81,232 km (0.06 R)
• M2: 371,900 km (0.118 R)
• M3: 808,427 km (0.092 R)
• M4: 1,281,904 km (0.053 R)
• M5: 5,574,017 km (0.094 R)
• M6: 8,950,441 km (0.107 R)
• M7: 11,879,567 km (0.113 R)
• M8: 12,149,292 km (0.094 R)
• M9: 12,630,997 km (0.096 R)
• M10: 15,232,953 km (0.115 R)
• M11: 19,260,427 km (0.085 R)
• M12: 23,838,271 km (0.092 R)
• M13: 24,375,776 km (0.116 R)
• M14: 25,141,717 km (0.057 R)
• M15: 26,150,007 km (0.097 R)
• M16: 26,377,695 km (0.081 R)
• M17: 28,008,611 km (0.089 R)
• M18: 31,986,867 km (0.072 R)
• M19: 33,705,148 km (0.097 R)
• M20: 34,382,079 km (0.109 R)
• M21: 34,655,394 km (0.076 R)
• M22: 36,467,473 km (0.113 R)
• M23: 41,658,220 km (0.115 R)
• M24: 42,910,204 km (0.108 R)
• M25: 44,187,022 km (0.075 R)
• M26: 54,580,933 km (0.09 R)
• M27: 56,647,927 km (0.092 R)
• M28: 63,777,013 km (0.102 R)
• M29: 70,156,315 km (0.115 R)
• M30: 79,782,938 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 10,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit