🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 11.4

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.61 AU - 0.99 AU

Year: 462 Days

Day: 8 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 70,945,445 km

• M1: 142,716 km (0.078 R)
• M2: 868,416 km (0.119 R)
• M3: 1,540,409 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 8.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.85 AU - 1.15 AU

Year: 646 Days

Day: 6.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 55 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,945,445 km

• M1: 108,159 km (0.1 R)
• M2: 416,929 km (0.055 R)
• M3: 1,000,660 km (0.075 R)
• M4: 1,478,476 km (0.048 R)
• M5: 1,971,850 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.5

Radius: 12.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.41 AU - 2.03 AU

Year: 1456 Days

Day: 7 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,945,445 km

• M1: 159,920 km (0.045 R)
• M2: 602,730 km (0.098 R)
• M3: 1,215,184 km (0.1 R)
• M4: 1,704,668 km (0.116 R)
• M5: 2,210,009 km (0.083 R)
• M6: 3,091,889 km (0.099 R)
• M7: 3,654,377 km (0.054 R)
• M8: 4,142,365 km (0.118 R)
• M9: 5,167,559 km (0.096 R)
• M10: 6,617,611 km (0.105 R)
• M11: 7,268,063 km (0.12 R)
• M12: 7,878,572 km (0.092 R)
• M13: 8,580,784 km (0.116 R)
• M14: 9,602,089 km (0.089 R)
• M15: 10,110,123 km (0.098 R)
• M16: 10,502,818 km (0.118 R)
• M17: 11,635,573 km (0.116 R)
• M18: 12,696,670 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.5

Radius: 11.1

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.14 AU - 3.46 AU

Year: 3025 Days

Day: 10.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,945,445 km

• M1: 138,079 km (0.083 R)
• M2: 604,974 km (0.115 R)
• M3: 1,148,612 km (0.115 R)
• M4: 1,548,787 km (0.098 R)
• M5: 1,941,032 km (0.118 R)
• M6: 3,136,469 km (0.118 R)
• M7: 5,105,027 km (0.05 R)
• M8: 5,824,593 km (0.058 R)
• M9: 6,265,458 km (0.059 R)
• M10: 7,887,099 km (0.069 R)
• M11: 10,003,310 km (0.076 R)
• M12: 10,396,304 km (0.068 R)
• M13: 10,758,780 km (0.072 R)
• M14: 11,297,332 km (0.094 R)
• M15: 13,681,174 km (0.11 R)
• M16: 14,712,502 km (0.118 R)
• M17: 15,169,972 km (0.057 R)
• M18: 16,113,635 km (0.03 R)
• M19: 19,179,644 km (0.108 R)
• M20: 21,298,099 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.7

Radius: 12.8

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.83 AU - 6.27 AU

Year: 7327 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,945,445 km

• M1: 159,920 km (0.031 R)
• M2: 559,496 km (0.031 R)
• M3: 1,212,940 km (0.039 R)
• M4: 1,917,396 km (0.072 R)
• M5: 2,347,191 km (0.049 R)
• M6: 3,104,605 km (0.109 R)
• M7: 4,513,218 km (0.11 R)
• M8: 4,989,388 km (0.092 R)
• M9: 8,176,272 km (0.057 R)
• M10: 10,624,740 km (0.04 R)
• M11: 13,527,088 km (0.097 R)
• M12: 13,989,346 km (0.093 R)
• M13: 15,068,096 km (0.077 R)
• M14: 16,461,002 km (0.061 R)
• M15: 17,594,804 km (0.061 R)
• M16: 18,007,245 km (0.102 R)
• M17: 18,780,068 km (0.093 R)
• M18: 26,223,759 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.2

Radius: 13.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.02 AU - 6.42 AU

Year: 7701 Days

Day: 11.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,945,445 km

• M1: 165,455 km (0.064 R)
• M2: 610,359 km (0.072 R)
• M3: 1,307,336 km (0.059 R)
• M4: 2,391,172 km (0.075 R)
• M5: 3,006,020 km (0.108 R)
• M6: 3,800,085 km (0.084 R)
• M7: 5,123,577 km (0.072 R)
• M8: 5,539,160 km (0.084 R)
• M9: 6,222,972 km (0.118 R)
• M10: 7,156,313 km (0.086 R)
• M11: 8,010,517 km (0.036 R)
• M12: 8,886,413 km (0.104 R)
• M13: 9,873,609 km (0.079 R)
• M14: 10,520,620 km (0.075 R)
• M15: 11,517,091 km (0.106 R)
• M16: 12,461,054 km (0.094 R)
• M17: 18,937,295 km (0.089 R)
• M18: 19,548,403 km (0.074 R)
• M19: 21,792,071 km (0.054 R)
• M20: 23,148,775 km (0.116 R)
• M21: 23,583,955 km (0.113 R)
• M22: 25,013,811 km (0.035 R)
• M23: 26,881,241 km (0.104 R)
• M24: 30,266,791 km (0.119 R)
• M25: 31,420,490 km (0.077 R)
• M26: 32,712,118 km (0.105 R)
• M27: 34,150,950 km (0.043 R)
• M28: 35,979,485 km (0.046 R)
• M29: 36,446,529 km (0.107 R)
• M30: 41,471,073 km (0.076 R)
• M31: 43,419,136 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.3

Radius: 7.9

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.26 AU - 8.9 AU

Year: 13475 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,945,445 km

• M1: 98,286 km (0.075 R)
• M2: 1,090,120 km (0.09 R)
• M3: 1,360,443 km (0.07 R)
• M4: 1,675,945 km (0.086 R)
• M5: 2,172,909 km (0.074 R)
• M6: 2,880,806 km (0.106 R)
• M7: 3,818,934 km (0.087 R)
• M8: 4,516,659 km (0.114 R)
• M9: 5,085,131 km (0.102 R)
• M10: 5,813,822 km (0.056 R)
• M11: 6,124,088 km (0.09 R)
• M12: 6,948,522 km (0.077 R)
• M13: 8,224,143 km (0.096 R)
• M14: 8,968,542 km (0.069 R)
• M15: 9,436,185 km (0.117 R)
• M16: 9,811,077 km (0.059 R)
• M17: 11,471,165 km (0.114 R)
• M18: 12,463,148 km (0.072 R)
• M19: 14,475,539 km (0.082 R)
• M20: 15,337,970 km (0.094 R)
• M21: 15,856,626 km (0.089 R)
• M22: 16,158,216 km (0.108 R)
• M23: 17,086,022 km (0.101 R)
• M24: 22,263,903 km (0.1 R)
• M25: 24,099,469 km (0.094 R)
• M26: 28,510,512 km (0.08 R)
• M27: 34,935,142 km (0.098 R)
• M28: 35,832,729 km (0.116 R)
• M29: 37,274,105 km (0.058 R)
• M30: 42,551,020 km (0.108 R)
• M31: 46,589,265 km (0.08 R)
• M32: 49,901,362 km (0.058 R)
• M33: 60,406,274 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.1

Radius: 4.4

Gravity: 47.47 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.67 AU - 10.17 AU

Year: 17201 Days

Day: 21.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,945,445 km

• M1: 54,753 km (0.036 R)
• M2: 206,445 km (0.038 R)
• M3: 542,741 km (0.106 R)
• M4: 717,771 km (0.104 R)
• M5: 1,129,614 km (0.062 R)
• M6: 1,387,819 km (0.119 R)
• M7: 3,593,341 km (0.088 R)
• M8: 4,728,938 km (0.078 R)
• M9: 5,055,810 km (0.093 R)
• M10: 6,126,930 km (0.084 R)
• M11: 6,693,158 km (0.111 R)
• M12: 6,874,172 km (0.087 R)
• M13: 7,437,109 km (0.119 R)
• M14: 8,234,465 km (0.092 R)
• M15: 8,442,406 km (0.118 R)
• M16: 12,130,592 km (0.079 R)
• M17: 13,953,143 km (0.086 R)
• M18: 16,273,705 km (0.071 R)
• M19: 19,019,275 km (0.045 R)
• M20: 20,406,346 km (0.098 R)
• M21: 20,596,186 km (0.036 R)
• M22: 21,270,124 km (0.102 R)
• M23: 28,718,602 km (0.102 R)
• M24: 30,046,882 km (0.094 R)
• M25: 37,024,276 km (0.097 R)
• M26: 39,619,350 km (0.074 R)
• M27: 40,063,357 km (0.092 R)
• M28: 40,212,057 km (0.111 R)
• M29: 42,487,441 km (0.11 R)
• M30: 45,815,096 km (0.1 R)
• M31: 47,459,027 km (0.091 R)
• M32: 49,654,376 km (0.119 R)
• M33: 55,344,779 km (0.098 R)
• M34: 56,457,937 km (0.046 R)
• M35: 56,832,231 km (0.048 R)
• M36: 59,113,299 km (0.061 R)
• M37: 61,454,506 km (0.089 R)
• M38: 64,059,903 km (0.073 R)
• M39: 64,263,206 km (0.11 R)
• M40: 73,200,632 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.4

Radius: 4.5

Gravity: 47.87 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.15 AU - 10.19 AU

Year: 19416 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,945,445 km

• M1: 55,950 km (0.11 R)
• M2: 204,201 km (0.042 R)
• M3: 996,621 km (0.093 R)
• M4: 1,649,167 km (0.093 R)
• M5: 1,815,669 km (0.11 R)
• M6: 1,993,541 km (0.089 R)
• M7: 2,315,775 km (0.092 R)
• M8: 2,876,468 km (0.106 R)
• M9: 3,091,290 km (0.091 R)
• M10: 3,259,289 km (0.102 R)
• M11: 3,613,836 km (0.118 R)
• M12: 5,782,406 km (0.115 R)
• M13: 6,945,380 km (0.115 R)
• M14: 7,683,047 km (0.108 R)
• M15: 8,417,274 km (0.112 R)
• M16: 8,801,441 km (0.087 R)
• M17: 9,254,573 km (0.108 R)
• M18: 9,963,368 km (0.073 R)
• M19: 10,707,767 km (0.12 R)
• M20: 11,960,948 km (0.05 R)
• M21: 15,967,778 km (0.04 R)
• M22: 18,774,982 km (0.12 R)
• M23: 20,490,121 km (0.109 R)
• M24: 21,486,742 km (0.101 R)
• M25: 23,041,662 km (0.092 R)
• M26: 25,911,698 km (0.104 R)
• M27: 27,194,499 km (0.098 R)
• M28: 41,322,522 km (0.074 R)
• M29: 60,666,275 km (0.109 R)
• M30: 62,300,632 km (0.119 R)
• M31: 77,871,526 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.6

Radius: 3.4

Gravity: 39.58 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.89 AU - 12.15 AU

Year: 22031 Days

Day: 18.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,945,445 km

• M1: 42,336 km (0.105 R)
• M2: 205,398 km (0.039 R)
• M3: 321,935 km (0.109 R)
• M4: 746,942 km (0.059 R)
• M5: 986,149 km (0.074 R)
• M6: 1,123,779 km (0.057 R)
• M7: 2,154,509 km (0.112 R)
• M8: 2,365,591 km (0.091 R)
• M9: 3,322,868 km (0.107 R)
• M10: 3,994,562 km (0.07 R)
• M11: 4,964,854 km (0.094 R)
• M12: 5,640,289 km (0.059 R)
• M13: 6,503,319 km (0.082 R)
• M14: 6,765,265 km (0.045 R)
• M15: 8,031,610 km (0.118 R)
• M16: 10,302,207 km (0.037 R)
• M17: 11,206,975 km (0.034 R)
• M18: 11,456,953 km (0.079 R)
• M19: 12,163,504 km (0.087 R)
• M20: 12,295,000 km (0.117 R)
• M21: 12,898,478 km (0.103 R)
• M22: 13,242,254 km (0.047 R)
• M23: 13,381,530 km (0.116 R)
• M24: 13,804,892 km (0.07 R)
• M25: 14,164,525 km (0.074 R)
• M26: 16,056,938 km (0.109 R)
• M27: 16,534,903 km (0.089 R)
• M28: 18,542,058 km (0.054 R)
• M29: 22,435,043 km (0.038 R)
• M30: 23,537,729 km (0.069 R)
• M31: 27,852,132 km (0.056 R)
• M32: 28,425,989 km (0.117 R)
• M33: 28,541,628 km (0.08 R)
• M34: 29,007,476 km (0.09 R)
• M35: 46,091,254 km (0.103 R)
• M36: 49,523,029 km (0.074 R)
• M37: 49,858,577 km (0.1 R)
• M38: 55,433,940 km (0.058 R)
• M39: 61,410,674 km (0.109 R)
• M40: 61,797,833 km (0.111 R)
• M41: 64,954,049 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 15,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit