🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 8.2

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.42 AU - 0.62 AU

Year: 250 Days

Day: 9.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,882,647 km

• M1: 102,026 km (0.072 R)
• M2: 432,039 km (0.077 R)
• M3: 708,496 km (0.071 R)
• M4: 1,142,778 km (0.108 R)
• M5: 1,535,323 km (0.1 R)
• M6: 1,896,153 km (0.092 R)
• M7: 2,229,756 km (0.076 R)
• M8: 3,363,259 km (0.104 R)
• M9: 3,771,811 km (0.089 R)
• M10: 4,277,153 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 8.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.47 AU - 0.71 AU

Year: 302 Days

Day: 6.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,882,647 km

• M1: 104,868 km (0.07 R)
• M2: 372,499 km (0.111 R)
• M3: 665,262 km (0.055 R)
• M4: 970,741 km (0.025 R)
• M5: 1,359,994 km (0.088 R)
• M6: 1,694,495 km (0.061 R)
• M7: 2,083,599 km (0.111 R)
• M8: 2,383,543 km (0.067 R)
• M9: 2,677,054 km (0.069 R)
• M10: 2,938,701 km (0.099 R)
• M11: 3,513,904 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.8

Radius: 11.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1 AU - 1.08 AU

Year: 707 Days

Day: 5.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,882,647 km

• M1: 144,362 km (0.073 R)
• M2: 512,672 km (0.12 R)
• M3: 1,238,222 km (0.113 R)
• M4: 1,722,171 km (0.117 R)
• M5: 2,254,889 km (0.115 R)
• M6: 3,186,883 km (0.099 R)
• M7: 4,419,570 km (0.067 R)
• M8: 6,058,714 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.5

Radius: 12.8

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.03 AU - 1.35 AU

Year: 866 Days

Day: 13.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,882,647 km

• M1: 159,172 km (0.102 R)
• M2: 617,390 km (0.105 R)
• M3: 1,286,841 km (0.081 R)
• M4: 1,853,667 km (0.074 R)
• M5: 2,432,461 km (0.105 R)
• M6: 3,017,389 km (0.108 R)
• M7: 3,781,086 km (0.071 R)
• M8: 4,327,268 km (0.097 R)
• M9: 4,788,179 km (0.034 R)
• M10: 5,227,398 km (0.084 R)
• M11: 5,751,290 km (0.049 R)
• M12: 7,513,852 km (0.058 R)
• M13: 8,036,098 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.4

Radius: 10.8

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.38 AU - 2.48 AU

Year: 2526 Days

Day: 13.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,882,647 km

• M1: 134,339 km (0.118 R)
• M2: 492,027 km (0.113 R)
• M3: 839,244 km (0.087 R)
• M4: 1,305,989 km (0.086 R)
• M5: 1,674,599 km (0.063 R)
• M6: 2,164,083 km (0.038 R)
• M7: 2,885,593 km (0.096 R)
• M8: 4,373,494 km (0.082 R)
• M9: 6,134,111 km (0.101 R)
• M10: 8,818,794 km (0.07 R)
• M11: 10,232,195 km (0.107 R)
• M12: 11,955,263 km (0.025 R)
• M13: 12,542,136 km (0.087 R)
• M14: 12,972,828 km (0.062 R)
• M15: 13,368,963 km (0.107 R)
• M16: 14,606,138 km (0.082 R)
• M17: 16,423,303 km (0.119 R)
• M18: 17,201,362 km (0.088 R)
• M19: 18,552,380 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 8.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.09 AU - 2.89 AU

Year: 2620 Days

Day: 7.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,882,647 km

• M1: 128,654 km (0.087 R)
• M2: 399,875 km (0.094 R)
• M3: 2,526,558 km (0.067 R)
• M4: 3,543,674 km (0.119 R)
• M5: 3,980,351 km (0.095 R)
• M6: 4,399,973 km (0.099 R)
• M7: 4,756,763 km (0.075 R)
• M8: 5,447,756 km (0.079 R)
• M9: 6,862,802 km (0.075 R)
• M10: 7,148,684 km (0.06 R)
• M11: 8,399,621 km (0.111 R)
• M12: 9,234,078 km (0.057 R)
• M13: 9,760,663 km (0.063 R)
• M14: 10,493,692 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.2

Radius: 11.4

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.64 AU - 4.7 AU

Year: 6730 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,882,647 km

• M1: 148,251 km (0.079 R)
• M2: 681,418 km (0.056 R)
• M3: 1,761,515 km (0.107 R)
• M4: 2,608,089 km (0.105 R)
• M5: 3,288,610 km (0.116 R)
• M6: 4,188,740 km (0.098 R)
• M7: 6,192,604 km (0.12 R)
• M8: 6,761,674 km (0.086 R)
• M9: 9,394,597 km (0.07 R)
• M10: 10,990,058 km (0.052 R)
• M11: 12,094,988 km (0.096 R)
• M12: 15,339,317 km (0.108 R)
• M13: 18,035,370 km (0.099 R)
• M14: 18,755,833 km (0.111 R)
• M15: 19,872,282 km (0.119 R)
• M16: 21,270,124 km (0.04 R)
• M17: 23,403,240 km (0.069 R)
• M18: 32,306,707 km (0.031 R)
• M19: 34,455,232 km (0.12 R)
• M20: 35,229,102 km (0.088 R)
• M21: 36,697,255 km (0.097 R)
• M22: 38,088,216 km (0.091 R)
• M23: 39,755,036 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671

Radius: 3.3

Gravity: 61.62 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.75 AU - 9.29 AU

Year: 13752 Days

Day: 21.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,882,647 km

• M1: 41,139 km (0.064 R)
• M2: 585,825 km (0.112 R)
• M3: 993,779 km (0.039 R)
• M4: 1,160,730 km (0.079 R)
• M5: 1,318,556 km (0.12 R)
• M6: 1,879,697 km (0.076 R)
• M7: 2,878,263 km (0.062 R)
• M8: 3,069,449 km (0.098 R)
• M9: 3,639,118 km (0.04 R)
• M10: 4,493,471 km (0.071 R)
• M11: 5,120,885 km (0.099 R)
• M12: 5,437,434 km (0.092 R)
• M13: 5,545,892 km (0.068 R)
• M14: 5,692,648 km (0.117 R)
• M15: 5,994,087 km (0.067 R)
• M16: 6,425,677 km (0.117 R)
• M17: 7,662,403 km (0.03 R)
• M18: 8,312,555 km (0.049 R)
• M19: 9,049,325 km (0.072 R)
• M20: 10,539,020 km (0.058 R)
• M21: 10,935,455 km (0.116 R)
• M22: 11,400,555 km (0.103 R)
• M23: 13,791,577 km (0.083 R)
• M24: 14,610,925 km (0.098 R)
• M25: 15,103,700 km (0.12 R)
• M26: 15,390,031 km (0.104 R)
• M27: 17,419,176 km (0.099 R)
• M28: 18,213,690 km (0.112 R)
• M29: 27,424,282 km (0.049 R)
• M30: 27,530,347 km (0.079 R)
• M31: 31,073,273 km (0.084 R)
• M32: 34,412,447 km (0.076 R)
• M33: 37,328,109 km (0.115 R)
• M34: 41,233,512 km (0.091 R)
• M35: 42,356,842 km (0.1 R)
• M36: 46,449,241 km (0.074 R)
• M37: 47,665,173 km (0.06 R)
• M38: 49,058,079 km (0.114 R)
• M39: 55,918,786 km (0.092 R)
• M40: 57,294,189 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.1

Radius: 6.7

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.93 AU - 8.21 AU

Year: 13889 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,882,647 km

• M1: 83,476 km (0.08 R)
• M2: 307,274 km (0.108 R)
• M3: 522,396 km (0.118 R)
• M4: 881,730 km (0.096 R)
• M5: 1,112,559 km (0.118 R)
• M6: 2,898,608 km (0.084 R)
• M7: 4,890,654 km (0.098 R)
• M8: 5,249,389 km (0.079 R)
• M9: 7,439,053 km (0.119 R)
• M10: 8,687,298 km (0.078 R)
• M11: 9,560,052 km (0.111 R)
• M12: 9,914,748 km (0.098 R)
• M13: 11,535,193 km (0.035 R)
• M14: 13,895,697 km (0.075 R)
• M15: 16,272,359 km (0.066 R)
• M16: 17,220,061 km (0.055 R)
• M17: 18,907,076 km (0.029 R)
• M18: 22,695,194 km (0.106 R)
• M19: 22,964,320 km (0.106 R)
• M20: 25,580,488 km (0.091 R)
• M21: 31,954,704 km (0.084 R)
• M22: 36,540,327 km (0.109 R)
• M23: 38,034,959 km (0.12 R)
• M24: 41,145,698 km (0.109 R)
• M25: 44,421,891 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.6

Radius: 3.6

Gravity: 74.81 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.62 AU - 12.24 AU

Year: 20867 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,882,647 km

• M1: 44,730 km (0.078 R)
• M2: 280,646 km (0.116 R)
• M3: 404,513 km (0.101 R)
• M4: 565,630 km (0.114 R)
• M5: 706,102 km (0.094 R)
• M6: 954,734 km (0.114 R)
• M7: 1,274,275 km (0.071 R)
• M8: 1,831,976 km (0.076 R)
• M9: 2,254,290 km (0.094 R)
• M10: 2,816,479 km (0.096 R)
• M11: 3,116,124 km (0.041 R)
• M12: 3,288,311 km (0.104 R)
• M13: 3,527,667 km (0.092 R)
• M14: 4,007,877 km (0.055 R)
• M15: 5,018,410 km (0.091 R)
• M16: 6,835,426 km (0.111 R)
• M17: 7,028,557 km (0.098 R)
• M18: 7,476,303 km (0.099 R)
• M19: 8,264,385 km (0.102 R)
• M20: 9,281,351 km (0.113 R)
• M21: 9,578,004 km (0.111 R)
• M22: 9,698,280 km (0.099 R)
• M23: 12,682,758 km (0.079 R)
• M24: 12,901,021 km (0.11 R)
• M25: 13,570,920 km (0.107 R)
• M26: 14,499,923 km (0.077 R)
• M27: 14,818,866 km (0.098 R)
• M28: 16,141,161 km (0.071 R)
• M29: 34,074,954 km (0.118 R)
• M30: 34,355,749 km (0.076 R)
• M31: 34,496,820 km (0.102 R)
• M32: 44,681,294 km (0.098 R)
• M33: 45,017,739 km (0.099 R)
• M34: 47,246,000 km (0.111 R)
• M35: 56,501,321 km (0.069 R)
• M36: 58,286,173 km (0.119 R)
• M37: 58,486,634 km (0.053 R)
• M38: 59,903,775 km (0.106 R)
• M39: 66,455,264 km (0.07 R)
• M40: 74,171,971 km (0.2 R)
• M41: 83,478,604 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 17,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit