🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.3

Radius: 14.9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.55 AU - 0.59 AU

Year: 292 Days

Day: 14 Hours

Environment

Temp: -145 °C

Axial Tilt: 71.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,229,579 km

• M1: 185,352 km (0.103 R)
• M2: 797,506 km (0.087 R)
• M3: 1,371,663 km (0.111 R)
• M4: 1,861,147 km (0.065 R)
• M5: 2,840,415 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.4

Radius: 14.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.53 AU - 0.61 AU

Year: 292 Days

Day: 12 Hours

Environment

Temp: -139 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,229,579 km

• M1: 176,675 km (0.084 R)
• M2: 622,926 km (0.117 R)
• M3: 1,195,736 km (0.117 R)
• M4: 1,881,492 km (0.064 R)
• M5: 2,360,954 km (0.082 R)
• M6: 2,812,440 km (0.102 R)
• M7: 3,637,921 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.5

Radius: 14.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.72 AU - 0.86 AU

Year: 476 Days

Day: 14.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,229,579 km

• M1: 176,525 km (0.104 R)
• M2: 828,922 km (0.111 R)
• M3: 1,274,424 km (0.103 R)
• M4: 2,886,042 km (0.117 R)
• M5: 3,477,702 km (0.081 R)
• M6: 4,061,133 km (0.112 R)
• M7: 4,835,901 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 10.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.78 AU - 1.18 AU

Year: 658 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,229,579 km

• M1: 137,780 km (0.047 R)
• M2: 483,949 km (0.114 R)
• M3: 1,039,855 km (0.106 R)
• M4: 1,408,464 km (0.099 R)
• M5: 1,783,955 km (0.086 R)
• M6: 4,081,479 km (0.085 R)
• M7: 4,953,185 km (0.07 R)
• M8: 6,074,721 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.2

Radius: 13.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.1 AU - 1.2 AU

Year: 836 Days

Day: 12.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,229,579 km

• M1: 174,581 km (0.091 R)
• M2: 852,708 km (0.048 R)
• M3: 1,634,656 km (0.103 R)
• M4: 2,123,243 km (0.092 R)
• M5: 2,608,837 km (0.064 R)
• M6: 3,581,971 km (0.107 R)
• M7: 4,107,060 km (0.075 R)
• M8: 5,115,200 km (0.045 R)
• M9: 5,803,500 km (0.103 R)
• M10: 7,050,697 km (0.096 R)
• M11: 7,880,666 km (0.094 R)
• M12: 8,344,569 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 10.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.08 AU - 1.44 AU

Year: 959 Days

Day: 13.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,229,579 km

• M1: 142,866 km (0.056 R)
• M2: 616,493 km (0.087 R)
• M3: 1,043,894 km (0.108 R)
• M4: 1,459,178 km (0.034 R)
• M5: 2,148,674 km (0.053 R)
• M6: 3,108,045 km (0.106 R)
• M7: 3,841,225 km (0.107 R)
• M8: 4,671,044 km (0.117 R)
• M9: 5,404,821 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 9.1

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.65 AU - 2.29 AU

Year: 1875 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,229,579 km

• M1: 113,096 km (0.109 R)
• M2: 593,754 km (0.048 R)
• M3: 881,730 km (0.11 R)
• M4: 1,168,359 km (0.049 R)
• M5: 1,596,808 km (0.07 R)
• M6: 1,927,269 km (0.106 R)
• M7: 2,382,047 km (0.107 R)
• M8: 2,685,431 km (0.109 R)
• M9: 3,030,254 km (0.113 R)
• M10: 3,472,915 km (0.107 R)
• M11: 3,791,558 km (0.119 R)
• M12: 5,086,627 km (0.059 R)
• M13: 5,382,232 km (0.093 R)
• M14: 6,681,789 km (0.044 R)
• M15: 8,179,114 km (0.097 R)
• M16: 9,072,213 km (0.091 R)
• M17: 9,372,606 km (0.104 R)
• M18: 10,531,690 km (0.119 R)
• M19: 10,901,047 km (0.107 R)
• M20: 11,202,786 km (0.093 R)
• M21: 12,343,769 km (0.06 R)
• M22: 12,754,565 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.6

Radius: 8.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.1 AU - 2.5 AU

Year: 2366 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,229,579 km

• M1: 115,639 km (0.067 R)
• M2: 619,634 km (0.115 R)
• M3: 899,682 km (0.082 R)
• M4: 1,501,663 km (0.115 R)
• M5: 1,903,633 km (0.104 R)
• M6: 2,190,412 km (0.096 R)
• M7: 2,780,875 km (0.043 R)
• M8: 3,869,947 km (0.089 R)
• M9: 4,412,389 km (0.101 R)
• M10: 4,962,311 km (0.088 R)
• M11: 5,812,625 km (0.114 R)
• M12: 6,448,416 km (0.114 R)
• M13: 6,783,216 km (0.062 R)
• M14: 7,487,972 km (0.092 R)
• M15: 9,170,649 km (0.034 R)
• M16: 9,929,858 km (0.064 R)
• M17: 11,386,193 km (0.116 R)
• M18: 12,223,941 km (0.058 R)
• M19: 13,390,206 km (0.074 R)
• M20: 13,724,707 km (0.072 R)
• M21: 14,150,463 km (0.103 R)
• M22: 14,939,292 km (0.045 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 12.4

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.85 AU - 2.81 AU

Year: 2412 Days

Day: 8.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,229,579 km

• M1: 162,463 km (0.111 R)
• M2: 824,135 km (0.104 R)
• M3: 1,476,232 km (0.112 R)
• M4: 2,534,786 km (0.112 R)
• M5: 3,040,278 km (0.11 R)
• M6: 3,595,286 km (0.098 R)
• M7: 4,314,702 km (0.108 R)
• M8: 5,061,943 km (0.101 R)
• M9: 5,536,617 km (0.068 R)
• M10: 6,681,191 km (0.058 R)
• M11: 7,225,577 km (0.095 R)
• M12: 9,535,817 km (0.108 R)
• M13: 10,016,176 km (0.113 R)
• M14: 11,478,645 km (0.078 R)
• M15: 12,543,333 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.8

Radius: 7.2

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.93 AU - 9.39 AU

Year: 14379 Days

Day: 16.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,229,579 km

• M1: 89,609 km (0.081 R)
• M2: 951,143 km (0.077 R)
• M3: 1,829,432 km (0.069 R)
• M4: 3,335,285 km (0.095 R)
• M5: 5,080,792 km (0.102 R)
• M6: 6,777,382 km (0.114 R)
• M7: 7,403,898 km (0.048 R)
• M8: 8,022,934 km (0.05 R)
• M9: 9,515,921 km (0.105 R)
• M10: 13,422,669 km (0.071 R)
• M11: 15,442,988 km (0.1 R)
• M12: 19,328,643 km (0.095 R)
• M13: 28,321,270 km (0.076 R)
• M14: 28,640,064 km (0.102 R)
• M15: 33,005,329 km (0.077 R)
• M16: 41,368,150 km (0.084 R)
• M17: 55,229,589 km (0.052 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 - 13,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit