🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 9.9

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.6 AU - 0.64 AU

Year: 331 Days

Day: 12.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,575,858 km

• M1: 123,418 km (0.043 R)
• M2: 479,012 km (0.09 R)
• M3: 798,254 km (0.101 R)
• M4: 1,486,704 km (0.081 R)
• M5: 2,327,294 km (0.094 R)
• M6: 2,818,573 km (0.091 R)
• M7: 3,299,979 km (0.072 R)
• M8: 3,786,621 km (0.103 R)
• M9: 4,482,401 km (0.109 R)
• M10: 4,904,417 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 8.4

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.63 AU - 0.67 AU

Year: 355 Days

Day: 13.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,575,858 km

• M1: 109,206 km (0.055 R)
• M2: 420,669 km (0.1 R)
• M3: 764,894 km (0.089 R)
• M4: 1,064,688 km (0.094 R)
• M5: 1,357,750 km (0.109 R)
• M6: 1,785,451 km (0.074 R)
• M7: 2,292,737 km (0.037 R)
• M8: 2,770,702 km (0.107 R)
• M9: 3,058,528 km (0.083 R)
• M10: 3,462,742 km (0.073 R)
• M11: 4,105,265 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 9.9

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.57 AU - 0.79 AU

Year: 380 Days

Day: 14.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,575,858 km

• M1: 123,867 km (0.091 R)
• M2: 442,660 km (0.106 R)
• M3: 762,052 km (0.071 R)
• M4: 1,574,667 km (0.081 R)
• M5: 1,900,043 km (0.025 R)
• M6: 2,379,953 km (0.09 R)
• M7: 2,833,384 km (0.097 R)
• M8: 3,170,876 km (0.065 R)
• M9: 3,547,564 km (0.051 R)
• M10: 4,636,786 km (0.099 R)
• M11: 5,218,871 km (0.08 R)
• M12: 5,544,396 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.4

Radius: 13

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.97 AU - 3.05 AU

Year: 3542 Days

Day: 10 Hours

Environment

Temp: -202 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,575,858 km

• M1: 162,314 km (0.073 R)
• M2: 765,492 km (0.117 R)
• M3: 1,362,089 km (0.091 R)
• M4: 2,637,859 km (0.114 R)
• M5: 3,126,446 km (0.114 R)
• M6: 3,733,664 km (0.098 R)
• M7: 4,462,654 km (0.092 R)
• M8: 5,112,657 km (0.046 R)
• M9: 5,537,515 km (0.078 R)
• M10: 6,261,120 km (0.057 R)
• M11: 6,719,039 km (0.111 R)
• M12: 8,296,848 km (0.093 R)
• M13: 8,709,887 km (0.1 R)
• M14: 9,465,805 km (0.097 R)
• M15: 10,187,017 km (0.067 R)
• M16: 10,782,117 km (0.087 R)
• M17: 11,911,581 km (0.048 R)
• M18: 13,823,442 km (0.089 R)
• M19: 15,054,183 km (0.102 R)
• M20: 16,572,003 km (0.099 R)
• M21: 18,074,864 km (0.055 R)
• M22: 19,007,157 km (0.105 R)
• M23: 19,849,094 km (0.109 R)
• M24: 20,279,338 km (0.093 R)
• M25: 21,478,514 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 8.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.13 AU - 3.99 AU

Year: 4556 Days

Day: 12.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,575,858 km

• M1: 157,377 km (0.043 R)
• M2: 561,441 km (0.069 R)
• M3: 1,003,802 km (0.098 R)
• M4: 1,769,743 km (0.084 R)
• M5: 2,353,175 km (0.093 R)
• M6: 3,230,416 km (0.091 R)
• M7: 3,656,022 km (0.07 R)
• M8: 5,446,858 km (0.114 R)
• M9: 6,346,241 km (0.034 R)
• M10: 9,097,495 km (0.054 R)
• M11: 9,853,862 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919

Radius: 6.2

Gravity: 23.91 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.27 AU - 7.27 AU

Year: 13295 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,575,858 km

• M1: 78,539 km (0.081 R)
• M2: 455,675 km (0.07 R)
• M3: 2,392,369 km (0.041 R)
• M4: 2,909,230 km (0.11 R)
• M5: 3,363,708 km (0.085 R)
• M6: 3,952,226 km (0.081 R)
• M7: 6,537,726 km (0.104 R)
• M8: 7,270,905 km (0.096 R)
• M9: 7,914,625 km (0.101 R)
• M10: 12,151,087 km (0.055 R)
• M11: 14,783,112 km (0.118 R)
• M12: 15,366,394 km (0.102 R)
• M13: 19,107,238 km (0.079 R)
• M14: 21,881,531 km (0.111 R)
• M15: 23,609,686 km (0.118 R)
• M16: 24,913,132 km (0.091 R)
• M17: 26,795,971 km (0.112 R)
• M18: 29,680,068 km (0.074 R)
• M19: 40,120,803 km (0.097 R)
• M20: 40,968,723 km (0.103 R)
• M21: 44,180,290 km (0.101 R)
• M22: 44,480,234 km (0.073 R)
• M23: 52,430,015 km (0.099 R)
• M24: 62,588,757 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.6

Radius: 7.6

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.62 AU - 10.12 AU

Year: 16424 Days

Day: 16.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,575,858 km

• M1: 94,695 km (0.103 R)
• M2: 656,286 km (0.103 R)
• M3: 1,538,465 km (0.062 R)
• M4: 2,105,141 km (0.026 R)
• M5: 2,348,387 km (0.1 R)
• M6: 2,937,504 km (0.111 R)
• M7: 3,834,642 km (0.101 R)
• M8: 5,368,320 km (0.096 R)
• M9: 5,718,229 km (0.11 R)
• M10: 6,699,741 km (0.1 R)
• M11: 8,011,714 km (0.09 R)
• M12: 11,078,470 km (0.103 R)
• M13: 19,807,805 km (0.114 R)
• M14: 21,330,113 km (0.095 R)
• M15: 23,571,538 km (0.089 R)
• M16: 25,571,961 km (0.118 R)
• M17: 30,674,445 km (0.112 R)
• M18: 33,639,176 km (0.065 R)
• M19: 47,707,659 km (0.11 R)
• M20: 48,154,507 km (0.098 R)
• M21: 49,207,976 km (0.059 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 17,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit