🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498

Radius: 14.1

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 9.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,724,769 km

• M1: 179,667 km (0.09 R)
• M2: 636,988 km (0.089 R)
• M3: 1,126,771 km (0.028 R)
• M4: 1,691,204 km (0.111 R)
• M5: 2,637,261 km (0.111 R)
• M6: 3,593,490 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 11.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.71 AU - 1.05 AU

Year: 560 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 47,724,769 km

• M1: 140,622 km (0.114 R)
• M2: 1,086,679 km (0.077 R)
• M3: 1,840,951 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.5

Radius: 9

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.82 AU - 1.26 AU

Year: 719 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,724,769 km

• M1: 112,049 km (0.052 R)
• M2: 428,747 km (0.085 R)
• M3: 739,911 km (0.116 R)
• M4: 1,174,942 km (0.116 R)
• M5: 1,494,782 km (0.042 R)
• M6: 1,819,110 km (0.094 R)
• M7: 2,314,877 km (0.055 R)
• M8: 3,036,538 km (0.106 R)
• M9: 3,721,546 km (0.094 R)
• M10: 4,100,926 km (0.118 R)
• M11: 4,727,143 km (0.116 R)
• M12: 5,063,439 km (0.094 R)
• M13: 5,705,214 km (0.089 R)
• M14: 6,991,456 km (0.03 R)
• M15: 7,909,090 km (0.119 R)
• M16: 8,564,179 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.4

Radius: 13.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.38 AU - 1.94 AU

Year: 1451 Days

Day: 6.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,724,769 km

• M1: 173,384 km (0.102 R)
• M2: 630,555 km (0.109 R)
• M3: 1,074,711 km (0.037 R)
• M4: 1,517,820 km (0.082 R)
• M5: 1,975,889 km (0.036 R)
• M6: 2,796,583 km (0.109 R)
• M7: 3,294,145 km (0.083 R)
• M8: 4,365,266 km (0.082 R)
• M9: 5,020,355 km (0.091 R)
• M10: 5,909,415 km (0.074 R)
• M11: 7,020,628 km (0.101 R)
• M12: 8,648,552 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.5

Radius: 9.3

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.39 AU - 2.15 AU

Year: 1597 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,724,769 km

• M1: 217,665 km (0.114 R)
• M2: 607,367 km (0.107 R)
• M3: 913,145 km (0.119 R)
• M4: 1,252,134 km (0.097 R)
• M5: 1,735,036 km (0.068 R)
• M6: 2,205,073 km (0.081 R)
• M7: 3,060,623 km (0.11 R)
• M8: 3,631,189 km (0.072 R)
• M9: 4,384,714 km (0.103 R)
• M10: 5,260,609 km (0.054 R)
• M11: 5,937,839 km (0.109 R)
• M12: 6,297,622 km (0.051 R)
• M13: 6,981,882 km (0.101 R)
• M14: 7,659,112 km (0.05 R)
• M15: 9,018,657 km (0.056 R)
• M16: 10,291,735 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.3

Radius: 12.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.92 AU - 2.56 AU

Year: 2274 Days

Day: 8.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,724,769 km

• M1: 159,023 km (0.066 R)
• M2: 606,320 km (0.086 R)
• M3: 1,133,054 km (0.109 R)
• M4: 1,916,498 km (0.118 R)
• M5: 3,155,767 km (0.087 R)
• M6: 3,762,835 km (0.104 R)
• M7: 4,585,025 km (0.087 R)
• M8: 5,321,495 km (0.109 R)
• M9: 5,706,860 km (0.037 R)
• M10: 6,897,509 km (0.111 R)
• M11: 7,636,373 km (0.113 R)
• M12: 8,217,112 km (0.081 R)
• M13: 10,380,297 km (0.043 R)
• M14: 12,031,259 km (0.102 R)
• M15: 13,808,631 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 14.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.12 AU - 4.78 AU

Year: 5325 Days

Day: 14.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,724,769 km

• M1: 185,651 km (0.04 R)
• M2: 718,668 km (0.107 R)
• M3: 1,464,114 km (0.116 R)
• M4: 2,006,107 km (0.118 R)
• M5: 2,734,499 km (0.115 R)
• M6: 3,307,908 km (0.036 R)
• M7: 4,957,973 km (0.038 R)
• M8: 5,445,662 km (0.035 R)
• M9: 8,237,607 km (0.083 R)
• M10: 8,769,278 km (0.09 R)
• M11: 11,732,961 km (0.086 R)
• M12: 12,212,123 km (0.102 R)
• M13: 14,696,794 km (0.078 R)
• M14: 15,310,594 km (0.042 R)
• M15: 17,378,635 km (0.099 R)
• M16: 17,876,347 km (0.103 R)
• M17: 20,235,057 km (0.036 R)
• M18: 20,925,601 km (0.116 R)
• M19: 26,126,819 km (0.11 R)
• M20: 26,780,861 km (0.094 R)
• M21: 28,036,436 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.3

Radius: 8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.6 AU - 4.5 AU

Year: 5528 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,724,769 km

• M1: 99,931 km (0.094 R)
• M2: 453,431 km (0.066 R)
• M3: 753,524 km (0.05 R)
• M4: 1,067,381 km (0.107 R)
• M5: 2,006,107 km (0.093 R)
• M6: 2,732,854 km (0.113 R)
• M7: 3,016,491 km (0.09 R)
• M8: 3,624,008 km (0.031 R)
• M9: 4,244,690 km (0.081 R)
• M10: 4,649,951 km (0.105 R)
• M11: 5,056,109 km (0.034 R)
• M12: 5,433,993 km (0.102 R)
• M13: 6,741,478 km (0.095 R)
• M14: 7,581,171 km (0.068 R)
• M15: 7,975,960 km (0.115 R)
• M16: 8,523,638 km (0.1 R)
• M17: 9,429,453 km (0.047 R)
• M18: 10,478,134 km (0.116 R)
• M19: 11,093,281 km (0.089 R)
• M20: 11,863,111 km (0.097 R)
• M21: 13,942,671 km (0.107 R)
• M22: 15,457,050 km (0.111 R)
• M23: 17,190,142 km (0.105 R)
• M24: 17,699,971 km (0.051 R)
• M25: 19,411,521 km (0.116 R)
• M26: 21,883,625 km (0.027 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.2

Radius: 9.1

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.86 AU - 5 AU

Year: 7424 Days

Day: 12.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,724,769 km

• M1: 115,789 km (0.04 R)
• M2: 538,852 km (0.09 R)
• M3: 826,528 km (0.074 R)
• M4: 1,363,136 km (0.062 R)
• M5: 1,937,891 km (0.086 R)
• M6: 2,530,448 km (0.067 R)
• M7: 2,975,053 km (0.116 R)
• M8: 3,567,161 km (0.063 R)
• M9: 3,969,131 km (0.102 R)
• M10: 4,542,539 km (0.104 R)
• M11: 5,108,019 km (0.07 R)
• M12: 6,708,866 km (0.093 R)
• M13: 7,166,336 km (0.096 R)
• M14: 7,563,220 km (0.062 R)
• M15: 10,765,512 km (0.108 R)
• M16: 13,126,914 km (0.086 R)
• M17: 14,087,631 km (0.081 R)
• M18: 14,397,299 km (0.071 R)
• M19: 15,549,651 km (0.057 R)
• M20: 16,419,413 km (0.105 R)
• M21: 16,970,682 km (0.085 R)
• M22: 18,847,387 km (0.095 R)
• M23: 20,619,523 km (0.108 R)
• M24: 20,938,616 km (0.092 R)
• M25: 22,081,693 km (0.105 R)
• M26: 22,838,209 km (0.097 R)
• M27: 25,852,756 km (0.034 R)
• M28: 26,223,908 km (0.112 R)
• M29: 31,696,049 km (0.089 R)
• M30: 34,082,733 km (0.096 R)
• M31: 38,003,095 km (0.079 R)
• M32: 39,210,948 km (0.05 R)
• M33: 40,195,601 km (0.096 R)
• M34: 40,944,788 km (0.075 R)
• M35: 41,576,091 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.1

Radius: 7.7

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.27 AU - 6.23 AU

Year: 9352 Days

Day: 19.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,724,769 km

• M1: 96,640 km (0.112 R)
• M2: 407,205 km (0.113 R)
• M3: 713,881 km (0.095 R)
• M4: 1,002,306 km (0.086 R)
• M5: 1,473,838 km (0.09 R)
• M6: 1,776,475 km (0.086 R)
• M7: 2,899,356 km (0.108 R)
• M8: 3,306,861 km (0.079 R)
• M9: 3,856,184 km (0.104 R)
• M10: 5,040,700 km (0.056 R)
• M11: 6,639,453 km (0.1 R)
• M12: 8,777,805 km (0.116 R)
• M13: 10,179,238 km (0.117 R)
• M14: 13,603,084 km (0.085 R)
• M15: 18,700,482 km (0.05 R)
• M16: 19,710,866 km (0.039 R)
• M17: 23,578,719 km (0.111 R)
• M18: 32,998,149 km (0.055 R)
• M19: 36,822,319 km (0.079 R)
• M20: 38,282,993 km (0.103 R)
• M21: 39,027,691 km (0.05 R)
• M22: 43,970,105 km (0.117 R)
• M23: 44,377,161 km (0.106 R)
• M24: 45,336,682 km (0.11 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: 385 - 19,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit