🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313

Radius: 13

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.48 AU - 0.68 AU

Year: 295 Days

Day: 10.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,285,590 km

• M1: 161,865 km (0.041 R)
• M2: 569,220 km (0.117 R)
• M3: 1,648,120 km (0.101 R)
• M4: 2,358,710 km (0.074 R)
• M5: 3,285,169 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.2

Radius: 9.2

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.57 AU - 0.81 AU

Year: 382 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,285,590 km

• M1: 115,340 km (0.033 R)
• M2: 420,220 km (0.098 R)
• M3: 768,484 km (0.115 R)
• M4: 1,099,993 km (0.085 R)
• M5: 1,576,612 km (0.068 R)
• M6: 2,064,899 km (0.104 R)
• M7: 2,359,158 km (0.077 R)
• M8: 2,934,811 km (0.086 R)
• M9: 3,344,709 km (0.108 R)
• M10: 3,870,995 km (0.109 R)
• M11: 4,947,501 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.1

Radius: 14.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.86 AU - 1.24 AU

Year: 717 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,285,590 km

• M1: 182,809 km (0.116 R)
• M2: 738,714 km (0.112 R)
• M3: 1,219,671 km (0.076 R)
• M4: 1,984,416 km (0.104 R)
• M5: 2,521,771 km (0.095 R)
• M6: 3,403,202 km (0.118 R)
• M7: 4,140,869 km (0.054 R)
• M8: 4,781,597 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.1

Radius: 14

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3 AU - 3.28 AU

Year: 3710 Days

Day: 12.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,285,590 km

• M1: 174,132 km (0.088 R)
• M2: 942,915 km (0.093 R)
• M3: 1,904,381 km (0.119 R)
• M4: 3,273,501 km (0.07 R)
• M5: 4,012,963 km (0.117 R)
• M6: 4,614,346 km (0.062 R)
• M7: 5,518,815 km (0.102 R)
• M8: 7,012,550 km (0.104 R)
• M9: 7,509,514 km (0.074 R)
• M10: 9,143,571 km (0.09 R)
• M11: 11,494,801 km (0.083 R)
• M12: 12,908,351 km (0.054 R)
• M13: 13,404,418 km (0.075 R)
• M14: 15,296,831 km (0.026 R)
• M15: 16,828,863 km (0.088 R)
• M16: 17,905,519 km (0.111 R)
• M17: 21,828,125 km (0.073 R)
• M18: 24,816,791 km (0.102 R)
• M19: 26,927,916 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.5

Radius: 13.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.47 AU - 3.63 AU

Year: 4460 Days

Day: 5.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,285,590 km

• M1: 165,605 km (0.087 R)
• M2: 1,585,139 km (0.036 R)
• M3: 2,235,142 km (0.027 R)
• M4: 2,985,375 km (0.103 R)
• M5: 3,581,523 km (0.053 R)
• M6: 4,419,869 km (0.11 R)
• M7: 7,525,820 km (0.102 R)
• M8: 9,171,397 km (0.056 R)
• M9: 9,892,907 km (0.065 R)
• M10: 12,238,602 km (0.088 R)
• M11: 14,134,156 km (0.085 R)
• M12: 17,757,716 km (0.112 R)
• M13: 20,852,298 km (0.116 R)
• M14: 22,384,329 km (0.115 R)
• M15: 27,266,905 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440

Radius: 8.9

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.64 AU - 5.14 AU

Year: 7211 Days

Day: 5 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,285,590 km

• M1: 110,702 km (0.038 R)
• M2: 387,907 km (0.095 R)
• M3: 713,731 km (0.106 R)
• M4: 1,424,920 km (0.07 R)
• M5: 2,017,028 km (0.082 R)
• M6: 3,822,375 km (0.095 R)
• M7: 4,278,948 km (0.116 R)
• M8: 6,544,458 km (0.117 R)
• M9: 8,280,990 km (0.096 R)
• M10: 8,922,615 km (0.105 R)
• M11: 9,510,685 km (0.076 R)
• M12: 9,858,350 km (0.119 R)
• M13: 11,190,070 km (0.108 R)
• M14: 12,175,771 km (0.113 R)
• M15: 17,017,955 km (0.117 R)
• M16: 17,988,246 km (0.116 R)
• M17: 18,994,890 km (0.075 R)
• M18: 19,407,930 km (0.047 R)
• M19: 21,341,034 km (0.089 R)
• M20: 21,712,635 km (0.115 R)
• M21: 24,274,349 km (0.088 R)
• M22: 25,921,272 km (0.051 R)
• M23: 28,890,042 km (0.057 R)
• M24: 29,344,819 km (0.098 R)
• M25: 32,467,824 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.1

Radius: 3.1

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.86 AU - 10.82 AU

Year: 19035 Days

Day: 15.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,285,590 km

• M1: 45,179 km (0.109 R)
• M2: 233,672 km (0.039 R)
• M3: 366,664 km (0.081 R)
• M4: 598,242 km (0.115 R)
• M5: 919,129 km (0.063 R)
• M6: 1,245,253 km (0.075 R)
• M7: 1,502,112 km (0.064 R)
• M8: 1,657,694 km (0.11 R)
• M9: 1,903,334 km (0.028 R)
• M10: 2,243,669 km (0.109 R)
• M11: 3,316,734 km (0.113 R)
• M12: 3,483,386 km (0.069 R)
• M13: 3,937,715 km (0.085 R)
• M14: 4,691,240 km (0.104 R)
• M15: 5,839,254 km (0.026 R)
• M16: 8,319,287 km (0.035 R)
• M17: 8,627,160 km (0.069 R)
• M18: 10,230,699 km (0.111 R)
• M19: 11,529,209 km (0.091 R)
• M20: 12,529,570 km (0.07 R)
• M21: 13,526,041 km (0.084 R)
• M22: 14,510,993 km (0.066 R)
• M23: 21,606,420 km (0.106 R)
• M24: 29,782,393 km (0.111 R)
• M25: 33,381,867 km (0.083 R)
• M26: 41,556,194 km (0.039 R)
• M27: 42,971,390 km (0.093 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 15,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit