🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.8

Radius: 12.3

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.38 AU - 1.46 AU

Year: 1128 Days

Day: 8.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,852,967 km

• M1: 153,039 km (0.115 R)
• M2: 616,792 km (0.077 R)
• M3: 1,145,321 km (0.106 R)
• M4: 1,699,581 km (0.107 R)
• M5: 2,238,134 km (0.104 R)
• M6: 2,790,599 km (0.085 R)
• M7: 3,850,500 km (0.116 R)
• M8: 5,432,647 km (0.091 R)
• M9: 6,039,864 km (0.109 R)
• M10: 6,771,697 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.2

Radius: 13

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.25 AU - 1.65 AU

Year: 1164 Days

Day: 6.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,852,967 km

• M1: 161,715 km (0.104 R)
• M2: 626,217 km (0.082 R)
• M3: 1,081,742 km (0.091 R)
• M4: 1,615,507 km (0.119 R)
• M5: 2,026,004 km (0.071 R)
• M6: 2,751,105 km (0.111 R)
• M7: 3,345,607 km (0.102 R)
• M8: 4,259,351 km (0.061 R)
• M9: 5,001,206 km (0.108 R)
• M10: 5,494,580 km (0.049 R)
• M11: 6,836,922 km (0.1 R)
• M12: 7,247,568 km (0.087 R)
• M13: 8,634,789 km (0.048 R)
• M14: 9,494,827 km (0.073 R)
• M15: 10,601,552 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.9

Radius: 11.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.57 AU - 3.77 AU

Year: 3764 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,852,967 km

• M1: 138,079 km (0.101 R)
• M2: 485,146 km (0.108 R)
• M3: 1,088,773 km (0.099 R)
• M4: 1,460,823 km (0.098 R)
• M5: 2,209,561 km (0.108 R)
• M6: 2,930,772 km (0.105 R)
• M7: 3,391,533 km (0.064 R)
• M8: 3,980,051 km (0.06 R)
• M9: 4,591,159 km (0.072 R)
• M10: 5,001,206 km (0.082 R)
• M11: 5,948,161 km (0.072 R)
• M12: 6,298,370 km (0.119 R)
• M13: 6,834,977 km (0.031 R)
• M14: 7,432,471 km (0.098 R)
• M15: 8,064,672 km (0.077 R)
• M16: 9,765,450 km (0.025 R)
• M17: 10,798,872 km (0.081 R)
• M18: 11,321,716 km (0.036 R)
• M19: 12,592,999 km (0.114 R)
• M20: 13,082,184 km (0.087 R)
• M21: 15,317,176 km (0.118 R)
• M22: 16,977,264 km (0.102 R)
• M23: 17,850,916 km (0.116 R)
• M24: 19,158,999 km (0.111 R)
• M25: 19,628,587 km (0.119 R)
• M26: 20,166,092 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.9

Radius: 10.5

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.45 AU - 4.51 AU

Year: 5295 Days

Day: 13.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,852,967 km

• M1: 131,646 km (0.073 R)
• M2: 609,312 km (0.06 R)
• M3: 1,031,777 km (0.111 R)
• M4: 1,700,778 km (0.115 R)
• M5: 2,621,104 km (0.118 R)
• M6: 3,365,802 km (0.111 R)
• M7: 3,844,815 km (0.104 R)
• M8: 4,221,502 km (0.09 R)
• M9: 5,160,229 km (0.102 R)
• M10: 5,502,359 km (0.077 R)
• M11: 6,232,696 km (0.056 R)
• M12: 7,095,277 km (0.067 R)
• M13: 8,035,500 km (0.111 R)
• M14: 8,418,620 km (0.084 R)
• M15: 9,429,902 km (0.105 R)
• M16: 10,475,142 km (0.092 R)
• M17: 11,741,488 km (0.087 R)
• M18: 12,235,460 km (0.064 R)
• M19: 12,898,478 km (0.069 R)
• M20: 13,585,132 km (0.113 R)
• M21: 14,129,818 km (0.099 R)
• M22: 15,437,752 km (0.081 R)
• M23: 16,333,395 km (0.11 R)
• M24: 18,491,045 km (0.092 R)
• M25: 19,569,496 km (0.056 R)
• M26: 22,827,139 km (0.028 R)
• M27: 24,865,560 km (0.092 R)
• M28: 25,516,460 km (0.08 R)
• M29: 27,193,452 km (0.103 R)
• M30: 28,410,281 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.7

Radius: 8.7

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.73 AU - 4.55 AU

Year: 5617 Days

Day: 7.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,852,967 km

• M1: 108,608 km (0.066 R)
• M2: 449,691 km (0.108 R)
• M3: 786,586 km (0.087 R)
• M4: 1,481,917 km (0.095 R)
• M5: 1,915,900 km (0.118 R)
• M6: 2,800,921 km (0.112 R)
• M7: 3,313,593 km (0.072 R)
• M8: 3,911,685 km (0.106 R)
• M9: 4,366,762 km (0.11 R)
• M10: 5,382,681 km (0.09 R)
• M11: 5,754,132 km (0.049 R)
• M12: 6,343,399 km (0.038 R)
• M13: 7,376,671 km (0.086 R)
• M14: 7,719,101 km (0.071 R)
• M15: 8,559,541 km (0.117 R)
• M16: 9,548,682 km (0.041 R)
• M17: 11,701,246 km (0.089 R)
• M18: 12,115,333 km (0.059 R)
• M19: 14,042,603 km (0.079 R)
• M20: 14,688,267 km (0.117 R)
• M21: 15,231,158 km (0.036 R)
• M22: 15,538,581 km (0.095 R)
• M23: 17,072,109 km (0.11 R)
• M24: 17,672,296 km (0.118 R)
• M25: 18,914,856 km (0.101 R)
• M26: 20,437,164 km (0.091 R)
• M27: 22,512,086 km (0.029 R)
• M28: 23,233,896 km (0.072 R)
• M29: 24,977,908 km (0.096 R)
• M30: 26,188,005 km (0.106 R)
• M31: 28,445,437 km (0.066 R)
• M32: 29,100,077 km (0.105 R)
• M33: 30,245,697 km (0.072 R)
• M34: 32,423,543 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.8

Radius: 10.8

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.53 AU - 5.31 AU

Year: 7277 Days

Day: 12.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,852,967 km

• M1: 135,835 km (0.102 R)
• M2: 485,595 km (0.059 R)
• M3: 903,422 km (0.088 R)
• M4: 1,460,823 km (0.045 R)
• M5: 2,343,451 km (0.108 R)
• M6: 3,137,815 km (0.106 R)
• M7: 4,683,461 km (0.096 R)
• M8: 6,648,129 km (0.067 R)
• M9: 6,984,425 km (0.106 R)
• M10: 13,087,570 km (0.105 R)
• M11: 15,552,793 km (0.08 R)
• M12: 16,348,953 km (0.077 R)
• M13: 31,462,227 km (0.033 R)
• M14: 33,821,535 km (0.11 R)
• M15: 34,262,849 km (0.098 R)
• M16: 35,837,816 km (0.106 R)
• M17: 39,740,226 km (0.067 R)
• M18: 41,101,566 km (0.093 R)
• M19: 41,478,104 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.5

Radius: 12.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.08 AU - 5.1 AU

Year: 7658 Days

Day: 10.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,852,967 km

• M1: 170,990 km (0.093 R)
• M2: 1,086,679 km (0.047 R)
• M3: 1,727,706 km (0.058 R)
• M4: 3,462,293 km (0.097 R)
• M5: 3,997,853 km (0.051 R)
• M6: 4,563,483 km (0.102 R)
• M7: 7,483,185 km (0.075 R)
• M8: 9,034,963 km (0.078 R)
• M9: 9,434,240 km (0.057 R)
• M10: 10,703,279 km (0.068 R)
• M11: 11,564,065 km (0.105 R)
• M12: 12,035,298 km (0.112 R)
• M13: 12,816,050 km (0.075 R)
• M14: 19,258,183 km (0.089 R)
• M15: 21,083,576 km (0.087 R)
• M16: 24,532,106 km (0.11 R)
• M17: 25,947,003 km (0.067 R)
• M18: 27,167,123 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.6

Radius: 6.7

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.74 AU - 7.64 AU

Year: 11539 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,852,967 km

• M1: 85,271 km (0.083 R)
• M2: 535,860 km (0.048 R)
• M3: 754,272 km (0.083 R)
• M4: 1,134,849 km (0.04 R)
• M5: 2,508,307 km (0.081 R)
• M6: 4,358,235 km (0.116 R)
• M7: 4,685,555 km (0.053 R)
• M8: 5,799,012 km (0.093 R)
• M9: 9,050,073 km (0.118 R)
• M10: 9,811,825 km (0.106 R)
• M11: 10,327,040 km (0.115 R)
• M12: 10,761,921 km (0.107 R)
• M13: 12,788,524 km (0.096 R)
• M14: 14,332,074 km (0.098 R)
• M15: 16,253,061 km (0.105 R)
• M16: 18,269,191 km (0.058 R)
• M17: 20,146,644 km (0.076 R)
• M18: 28,756,301 km (0.059 R)
• M19: 29,041,135 km (0.073 R)
• M20: 31,791,044 km (0.113 R)
• M21: 34,282,297 km (0.106 R)
• M22: 35,032,680 km (0.12 R)
• M23: 36,900,708 km (0.054 R)
• M24: 37,802,335 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.7

Radius: 4.3

Gravity: 26.16 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.71 AU - 8.21 AU

Year: 12245 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 48,852,967 km

• M1: 53,556 km (0.085 R)
• M2: 202,256 km (0.088 R)
• M3: 531,671 km (0.089 R)
• M4: 745,147 km (0.067 R)
• M5: 911,201 km (0.09 R)
• M6: 1,079,498 km (0.103 R)
• M7: 1,331,870 km (0.102 R)
• M8: 1,622,688 km (0.049 R)
• M9: 1,855,462 km (0.038 R)
• M10: 2,426,477 km (0.055 R)
• M11: 2,565,603 km (0.079 R)
• M12: 2,860,012 km (0.076 R)
• M13: 4,098,084 km (0.089 R)
• M14: 5,119,987 km (0.114 R)
• M15: 5,865,284 km (0.117 R)
• M16: 6,526,806 km (0.087 R)
• M17: 7,401,205 km (0.09 R)
• M18: 8,577,643 km (0.062 R)
• M19: 9,090,763 km (0.095 R)
• M20: 9,379,188 km (0.119 R)
• M21: 10,753,095 km (0.05 R)
• M22: 11,075,628 km (0.093 R)
• M23: 12,489,477 km (0.111 R)
• M24: 12,845,969 km (0.056 R)
• M25: 13,209,193 km (0.047 R)
• M26: 16,014,901 km (0.114 R)
• M27: 17,080,337 km (0.086 R)
• M28: 18,116,452 km (0.113 R)
• M29: 18,267,845 km (0.105 R)
• M30: 22,506,102 km (0.067 R)
• M31: 23,389,926 km (0.104 R)
• M32: 23,659,651 km (0.087 R)
• M33: 28,565,863 km (0.077 R)
• M34: 32,521,680 km (0.08 R)
• M35: 39,686,819 km (0.109 R)
• M36: 41,366,654 km (0.111 R)
• M37: 44,591,385 km (0.071 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: 382 - 13,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit