🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.4

Radius: 10.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.63 AU - 0.85 AU

Year: 447 Days

Day: 8.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,633,666 km

• M1: 130,599 km (0.117 R)
• M2: 989,291 km (0.082 R)
• M3: 1,908,121 km (0.081 R)
• M4: 2,234,992 km (0.114 R)
• M5: 3,494,157 km (0.086 R)
• M6: 4,061,433 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.7

Radius: 12

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.64 AU - 0.88 AU

Year: 466 Days

Day: 7.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,633,666 km

• M1: 151,243 km (0.081 R)
• M2: 577,597 km (0.096 R)
• M3: 972,536 km (0.109 R)
• M4: 1,359,396 km (0.112 R)
• M5: 1,971,999 km (0.035 R)
• M6: 2,395,212 km (0.12 R)
• M7: 3,601,270 km (0.114 R)
• M8: 4,513,667 km (0.065 R)
• M9: 5,241,461 km (0.098 R)
• M10: 5,625,329 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 11.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.64 AU - 0.9 AU

Year: 475 Days

Day: 13.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,633,666 km

• M1: 144,212 km (0.08 R)
• M2: 534,812 km (0.118 R)
• M3: 918,980 km (0.106 R)
• M4: 1,802,206 km (0.073 R)
• M5: 2,473,451 km (0.063 R)
• M6: 3,779,889 km (0.087 R)
• M7: 4,493,770 km (0.083 R)
• M8: 5,948,161 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.2

Radius: 12.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.07 AU - 1.25 AU

Year: 878 Days

Day: 5.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,633,666 km

• M1: 171,290 km (0.115 R)
• M2: 661,223 km (0.094 R)
• M3: 1,094,907 km (0.084 R)
• M4: 1,585,438 km (0.052 R)
• M5: 2,792,693 km (0.107 R)
• M6: 4,181,859 km (0.094 R)
• M7: 4,604,473 km (0.072 R)
• M8: 5,021,402 km (0.104 R)
• M9: 6,165,975 km (0.091 R)
• M10: 6,570,338 km (0.041 R)
• M11: 7,166,187 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.5

Radius: 9.1

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.17 AU - 1.43 AU

Year: 1042 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,633,666 km

• M1: 113,246 km (0.106 R)
• M2: 421,118 km (0.108 R)
• M3: 824,883 km (0.094 R)
• M4: 1,338,452 km (0.118 R)
• M5: 1,900,791 km (0.091 R)
• M6: 2,431,863 km (0.03 R)
• M7: 2,829,943 km (0.111 R)
• M8: 3,213,512 km (0.118 R)
• M9: 3,838,083 km (0.119 R)
• M10: 4,274,460 km (0.116 R)
• M11: 4,856,844 km (0.082 R)
• M12: 5,700,427 km (0.118 R)
• M13: 6,224,618 km (0.094 R)
• M14: 7,021,825 km (0.115 R)
• M15: 7,547,362 km (0.112 R)
• M16: 8,370,749 km (0.079 R)
• M17: 9,106,322 km (0.106 R)
• M18: 9,977,131 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 12

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.71 AU - 4.51 AU

Year: 5857 Days

Day: 10.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,633,666 km

• M1: 150,495 km (0.11 R)
• M2: 652,097 km (0.102 R)
• M3: 1,031,029 km (0.109 R)
• M4: 1,602,343 km (0.065 R)
• M5: 2,008,052 km (0.115 R)
• M6: 3,570,901 km (0.063 R)
• M7: 4,457,418 km (0.079 R)
• M8: 5,126,270 km (0.104 R)
• M9: 6,876,715 km (0.106 R)
• M10: 7,277,338 km (0.107 R)
• M11: 7,848,802 km (0.077 R)
• M12: 8,615,641 km (0.102 R)
• M13: 9,081,937 km (0.026 R)
• M14: 9,790,283 km (0.104 R)
• M15: 12,402,561 km (0.103 R)
• M16: 13,443,014 km (0.07 R)
• M17: 15,572,540 km (0.076 R)
• M18: 16,458,459 km (0.086 R)
• M19: 17,244,296 km (0.1 R)
• M20: 19,825,458 km (0.113 R)
• M21: 25,223,099 km (0.086 R)
• M22: 30,345,629 km (0.106 R)
• M23: 31,129,971 km (0.118 R)
• M24: 33,356,436 km (0.112 R)
• M25: 36,231,707 km (0.079 R)

Asteroid Belt

Center: 5.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.5

Radius: 7.5

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.19 AU - 7.57 AU

Year: 12685 Days

Day: 22 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,633,666 km

• M1: 93,199 km (0.09 R)
• M2: 330,013 km (0.054 R)
• M3: 1,804,300 km (0.115 R)
• M4: 2,576,524 km (0.064 R)
• M5: 3,917,669 km (0.057 R)
• M6: 4,811,666 km (0.079 R)
• M7: 5,137,939 km (0.085 R)
• M8: 5,447,457 km (0.041 R)
• M9: 6,738,337 km (0.091 R)
• M10: 7,147,337 km (0.051 R)
• M11: 8,180,012 km (0.088 R)
• M12: 8,688,794 km (0.119 R)
• M13: 9,629,914 km (0.119 R)
• M14: 9,910,709 km (0.099 R)
• M15: 10,736,639 km (0.118 R)
• M16: 11,765,873 km (0.092 R)
• M17: 12,087,209 km (0.113 R)
• M18: 13,664,419 km (0.093 R)
• M19: 14,139,093 km (0.102 R)
• M20: 15,374,173 km (0.065 R)
• M21: 16,545,824 km (0.101 R)
• M22: 17,428,152 km (0.087 R)
• M23: 18,628,974 km (0.098 R)
• M24: 21,431,391 km (0.116 R)
• M25: 22,561,304 km (0.118 R)
• M26: 23,140,995 km (0.067 R)
• M27: 28,331,593 km (0.115 R)
• M28: 29,988,389 km (0.09 R)
• M29: 36,578,624 km (0.094 R)
• M30: 37,609,054 km (0.104 R)
• M31: 39,369,073 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.2

Radius: 3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.75 AU - 9.89 AU

Year: 20000 Days

Day: 23.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,633,666 km

• M1: 38,447 km (0.032 R)
• M2: 137,181 km (0.031 R)
• M3: 344,524 km (0.07 R)
• M4: 1,283,699 km (0.066 R)
• M5: 1,884,784 km (0.104 R)
• M6: 2,541,817 km (0.075 R)
• M7: 3,752,214 km (0.08 R)
• M8: 7,851,046 km (0.108 R)
• M9: 9,656,094 km (0.099 R)
• M10: 15,285,312 km (0.114 R)
• M11: 19,387,734 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.8

Radius: 4.2

Gravity: 17.05 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.78 AU - 10.44 AU

Year: 20941 Days

Day: 22.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,633,666 km

• M1: 55,501 km (0.076 R)
• M2: 777,161 km (0.097 R)
• M3: 961,017 km (0.118 R)
• M4: 1,505,403 km (0.119 R)
• M5: 2,097,512 km (0.101 R)
• M6: 2,252,346 km (0.082 R)
• M7: 5,024,544 km (0.053 R)
• M8: 6,891,675 km (0.092 R)
• M9: 9,124,872 km (0.093 R)
• M10: 18,539,664 km (0.105 R)
• M11: 21,557,801 km (0.116 R)
• M12: 23,709,916 km (0.05 R)
• M13: 35,619,253 km (0.1 R)
• M14: 38,081,784 km (0.048 R)
• M15: 50,174,079 km (0.118 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: 429 - 18,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit