🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.6

Radius: 13.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.25 AU - 1.35 AU

Year: 972 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,402,689 km

• M1: 173,384 km (0.082 R)
• M2: 780,003 km (0.036 R)
• M3: 1,685,968 km (0.095 R)
• M4: 2,510,551 km (0.107 R)
• M5: 3,166,239 km (0.071 R)
• M6: 4,114,091 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.2

Radius: 12.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.44 AU - 1.58 AU

Year: 1217 Days

Day: 8.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,402,689 km

• M1: 152,141 km (0.109 R)
• M2: 702,960 km (0.109 R)
• M3: 1,273,377 km (0.08 R)
• M4: 1,767,050 km (0.101 R)
• M5: 2,222,576 km (0.088 R)
• M6: 2,824,109 km (0.112 R)
• M7: 3,453,168 km (0.1 R)
• M8: 3,911,835 km (0.117 R)
• M9: 4,448,143 km (0.109 R)
• M10: 5,156,339 km (0.048 R)
• M11: 6,099,255 km (0.096 R)
• M12: 7,179,800 km (0.06 R)
• M13: 7,602,863 km (0.075 R)
• M14: 8,412,636 km (0.066 R)
• M15: 8,853,501 km (0.073 R)
• M16: 10,469,308 km (0.102 R)
• M17: 10,910,921 km (0.052 R)
• M18: 12,311,157 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670

Radius: 10

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.87 AU - 2.29 AU

Year: 1968 Days

Day: 13.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,402,689 km

• M1: 124,316 km (0.078 R)
• M2: 467,493 km (0.092 R)
• M3: 1,057,358 km (0.077 R)
• M4: 1,394,402 km (0.093 R)
• M5: 2,073,426 km (0.053 R)
• M6: 2,409,423 km (0.107 R)
• M7: 3,438,357 km (0.033 R)
• M8: 3,803,825 km (0.112 R)
• M9: 4,758,559 km (0.058 R)
• M10: 5,371,760 km (0.106 R)
• M11: 6,111,223 km (0.089 R)
• M12: 6,440,936 km (0.028 R)
• M13: 7,247,568 km (0.092 R)
• M14: 8,395,133 km (0.115 R)
• M15: 9,490,788 km (0.098 R)
• M16: 9,968,604 km (0.046 R)
• M17: 11,121,405 km (0.115 R)
• M18: 11,652,926 km (0.077 R)
• M19: 15,343,206 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.6

Radius: 11.1

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.12 AU - 2.46 AU

Year: 2273 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,402,689 km

• M1: 138,079 km (0.102 R)
• M2: 517,908 km (0.107 R)
• M3: 1,014,722 km (0.11 R)
• M4: 1,595,012 km (0.066 R)
• M5: 2,480,931 km (0.048 R)
• M6: 2,850,887 km (0.06 R)
• M7: 3,225,330 km (0.088 R)
• M8: 4,825,878 km (0.067 R)
• M9: 5,384,327 km (0.12 R)
• M10: 5,935,744 km (0.11 R)
• M11: 7,465,682 km (0.11 R)
• M12: 8,213,970 km (0.072 R)
• M13: 9,143,721 km (0.111 R)
• M14: 9,859,696 km (0.117 R)
• M15: 10,249,399 km (0.12 R)
• M16: 11,519,784 km (0.078 R)
• M17: 13,060,642 km (0.11 R)
• M18: 15,151,272 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.9

Radius: 11.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.67 AU - 2.71 AU

Year: 2894 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,402,689 km

• M1: 138,228 km (0.076 R)
• M2: 494,122 km (0.059 R)
• M3: 1,292,675 km (0.092 R)
• M4: 2,521,023 km (0.112 R)
• M5: 3,561,477 km (0.105 R)
• M6: 5,109,665 km (0.1 R)
• M7: 5,641,934 km (0.108 R)
• M8: 7,319,824 km (0.099 R)
• M9: 8,651,993 km (0.115 R)
• M10: 16,247,077 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.8

Radius: 8.6

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.47 AU - 3.29 AU

Year: 3206 Days

Day: 8.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,402,689 km

• M1: 108,608 km (0.111 R)
• M2: 528,230 km (0.111 R)
• M3: 1,019,210 km (0.112 R)
• M4: 1,323,044 km (0.115 R)
• M5: 1,687,913 km (0.058 R)
• M6: 2,119,203 km (0.082 R)
• M7: 2,530,897 km (0.118 R)
• M8: 3,649,739 km (0.088 R)
• M9: 4,011,018 km (0.079 R)
• M10: 4,308,568 km (0.083 R)
• M11: 5,915,399 km (0.067 R)
• M12: 6,273,686 km (0.09 R)
• M13: 7,186,981 km (0.072 R)
• M14: 8,596,941 km (0.118 R)
• M15: 9,797,763 km (0.075 R)
• M16: 12,041,881 km (0.074 R)
• M17: 12,483,793 km (0.05 R)
• M18: 13,120,780 km (0.068 R)
• M19: 15,060,167 km (0.067 R)
• M20: 15,834,336 km (0.068 R)
• M21: 19,558,725 km (0.076 R)
• M22: 20,355,483 km (0.117 R)
• M23: 20,793,356 km (0.038 R)
• M24: 21,301,540 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371

Radius: 5.1

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.18 AU - 7.22 AU

Year: 10127 Days

Day: 23.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,402,689 km

• M1: 68,366 km (0.091 R)
• M2: 364,121 km (0.1 R)
• M3: 649,105 km (0.066 R)
• M4: 1,114,953 km (0.114 R)
• M5: 1,364,632 km (0.114 R)
• M6: 1,750,145 km (0.104 R)
• M7: 2,256,385 km (0.089 R)
• M8: 2,600,011 km (0.094 R)
• M9: 5,312,520 km (0.103 R)
• M10: 6,053,777 km (0.084 R)
• M11: 10,327,639 km (0.099 R)
• M12: 10,817,123 km (0.112 R)
• M13: 11,118,263 km (0.071 R)
• M14: 12,930,642 km (0.082 R)
• M15: 14,869,430 km (0.085 R)
• M16: 15,054,782 km (0.068 R)
• M17: 19,680,946 km (0.096 R)
• M18: 20,356,530 km (0.107 R)
• M19: 22,153,051 km (0.112 R)
• M20: 26,780,712 km (0.054 R)
• M21: 31,299,764 km (0.086 R)
• M22: 32,946,986 km (0.058 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 14,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit