🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106

Radius: 14.1

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.53 AU - 0.87 AU

Year: 378 Days

Day: 8.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,580,350 km

• M1: 175,927 km (0.051 R)
• M2: 796,609 km (0.103 R)
• M3: 1,513,182 km (0.097 R)
• M4: 2,161,091 km (0.047 R)
• M5: 2,645,938 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.6

Radius: 12.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.04 AU - 1.04 AU

Year: 685 Days

Day: 14.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,580,350 km

• M1: 160,369 km (0.09 R)
• M2: 633,397 km (0.079 R)
• M3: 1,066,782 km (0.076 R)
• M4: 1,564,345 km (0.067 R)
• M5: 1,996,683 km (0.097 R)
• M6: 2,463,727 km (0.113 R)
• M7: 2,982,832 km (0.113 R)
• M8: 3,527,368 km (0.062 R)
• M9: 4,164,206 km (0.113 R)
• M10: 4,659,076 km (0.109 R)
• M11: 5,491,139 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 13.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.09 AU - 1.33 AU

Year: 859 Days

Day: 5.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,580,350 km

• M1: 163,062 km (0.104 R)
• M2: 695,032 km (0.064 R)
• M3: 1,240,914 km (0.111 R)
• M4: 1,657,245 km (0.067 R)
• M5: 2,493,797 km (0.067 R)
• M6: 4,141,916 km (0.079 R)
• M7: 4,743,000 km (0.089 R)
• M8: 5,164,567 km (0.118 R)
• M9: 5,825,939 km (0.105 R)
• M10: 6,622,099 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.7

Radius: 12.4

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.39 AU - 1.77 AU

Year: 1282 Days

Day: 9.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,580,350 km

• M1: 154,235 km (0.081 R)
• M2: 724,203 km (0.066 R)
• M3: 1,298,210 km (0.116 R)
• M4: 1,908,420 km (0.116 R)
• M5: 2,574,579 km (0.056 R)
• M6: 3,254,053 km (0.066 R)
• M7: 3,644,952 km (0.07 R)
• M8: 4,120,374 km (0.098 R)
• M9: 4,832,011 km (0.092 R)
• M10: 5,601,991 km (0.063 R)
• M11: 6,120,946 km (0.105 R)
• M12: 6,820,765 km (0.091 R)
• M13: 7,873,037 km (0.115 R)
• M14: 8,525,283 km (0.07 R)
• M15: 9,030,475 km (0.067 R)
• M16: 9,938,235 km (0.104 R)
• M17: 10,905,984 km (0.102 R)
• M18: 12,644,461 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.7

Radius: 12.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.36 AU - 2.2 AU

Year: 1533 Days

Day: 11.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,580,350 km

• M1: 154,235 km (0.094 R)
• M2: 651,349 km (0.102 R)
• M3: 1,099,544 km (0.09 R)
• M4: 1,627,924 km (0.109 R)
• M5: 2,021,666 km (0.119 R)
• M6: 3,344,709 km (0.079 R)
• M7: 4,456,072 km (0.075 R)
• M8: 6,985,473 km (0.113 R)
• M9: 7,476,303 km (0.036 R)
• M10: 7,934,970 km (0.081 R)
• M11: 8,760,751 km (0.101 R)
• M12: 10,089,778 km (0.119 R)
• M13: 10,483,669 km (0.07 R)
• M14: 10,956,249 km (0.114 R)
• M15: 11,549,105 km (0.12 R)
• M16: 12,200,155 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.2

Radius: 11.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.42 AU - 2.52 AU

Year: 2506 Days

Day: 5.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,580,350 km

• M1: 141,819 km (0.11 R)
• M2: 506,239 km (0.083 R)
• M3: 885,470 km (0.077 R)
• M4: 1,257,968 km (0.025 R)
• M5: 1,759,421 km (0.105 R)
• M6: 2,325,200 km (0.06 R)
• M7: 2,718,044 km (0.076 R)
• M8: 3,957,013 km (0.057 R)
• M9: 4,757,511 km (0.093 R)
• M10: 5,811,728 km (0.03 R)
• M11: 6,845,898 km (0.057 R)
• M12: 7,304,116 km (0.115 R)
• M13: 7,691,575 km (0.071 R)
• M14: 8,638,230 km (0.037 R)
• M15: 9,982,816 km (0.092 R)
• M16: 10,535,580 km (0.096 R)
• M17: 11,383,052 km (0.064 R)
• M18: 13,301,644 km (0.075 R)
• M19: 13,926,066 km (0.079 R)
• M20: 14,476,736 km (0.102 R)
• M21: 15,867,697 km (0.115 R)
• M22: 16,981,004 km (0.101 R)
• M23: 17,556,806 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.3

Radius: 5.6

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.59 AU - 7.01 AU

Year: 11449 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,580,350 km

• M1: 72,854 km (0.101 R)
• M2: 644,916 km (0.103 R)
• M3: 1,339,200 km (0.092 R)
• M4: 1,661,434 km (0.101 R)
• M5: 2,289,895 km (0.065 R)
• M6: 3,251,959 km (0.065 R)
• M7: 3,930,235 km (0.107 R)
• M8: 6,032,385 km (0.061 R)
• M9: 7,525,521 km (0.087 R)
• M10: 9,596,703 km (0.056 R)
• M11: 10,456,891 km (0.098 R)
• M12: 10,834,027 km (0.067 R)
• M13: 11,565,411 km (0.108 R)
• M14: 12,538,546 km (0.107 R)
• M15: 14,999,730 km (0.093 R)
• M16: 16,469,230 km (0.068 R)
• M17: 19,267,308 km (0.105 R)
• M18: 19,478,540 km (0.102 R)
• M19: 20,704,794 km (0.109 R)
• M20: 22,135,249 km (0.114 R)
• M21: 24,525,973 km (0.052 R)
• M22: 29,532,265 km (0.119 R)
• M23: 32,521,380 km (0.093 R)
• M24: 33,122,315 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.8

Radius: 6

Gravity: 17.77 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.49 AU - 8.19 AU

Year: 11550 Days

Day: 23.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 67.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,580,350 km

• M1: 88,712 km (0.065 R)
• M2: 277,803 km (0.104 R)
• M3: 511,924 km (0.068 R)
• M4: 1,011,581 km (0.067 R)
• M5: 1,842,747 km (0.11 R)
• M6: 2,116,959 km (0.105 R)
• M7: 6,707,969 km (0.119 R)
• M8: 7,829,803 km (0.108 R)
• M9: 9,217,174 km (0.049 R)
• M10: 11,033,741 km (0.08 R)
• M11: 13,014,865 km (0.118 R)
• M12: 14,284,801 km (0.047 R)
• M13: 15,985,580 km (0.107 R)
• M14: 16,848,011 km (0.092 R)
• M15: 20,777,199 km (0.092 R)
• M16: 24,142,703 km (0.112 R)
• M17: 28,369,441 km (0.079 R)
• M18: 28,890,790 km (0.064 R)
• M19: 31,150,615 km (0.109 R)
• M20: 31,482,872 km (0.042 R)
• M21: 32,949,529 km (0.078 R)
• M22: 34,697,880 km (0.114 R)
• M23: 36,752,906 km (0.039 R)
• M24: 39,531,088 km (0.029 R)
• M25: 40,312,437 km (0.032 R)
• M26: 40,839,022 km (0.118 R)
• M27: 41,236,952 km (0.077 R)
• M28: 42,310,616 km (0.094 R)
• M29: 48,551,391 km (0.096 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 16,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit