🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.2

Radius: 12.3

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.6 AU - 0.86 AU

Year: 409 Days

Day: 9 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,844,964 km

• M1: 153,039 km (0.03 R)
• M2: 565,779 km (0.101 R)
• M3: 1,019,509 km (0.053 R)
• M4: 1,576,762 km (0.096 R)
• M5: 2,251,897 km (0.079 R)
• M6: 2,675,708 km (0.108 R)
• M7: 3,327,805 km (0.106 R)
• M8: 3,777,645 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 11.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.73 AU - 1.05 AU

Year: 551 Days

Day: 12.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,844,964 km

• M1: 144,362 km (0.03 R)
• M2: 532,419 km (0.078 R)
• M3: 1,079,349 km (0.073 R)
• M4: 1,482,964 km (0.05 R)
• M5: 1,865,037 km (0.059 R)
• M6: 2,531,645 km (0.036 R)
• M7: 3,106,849 km (0.105 R)
• M8: 3,669,636 km (0.098 R)
• M9: 4,086,116 km (0.095 R)
• M10: 4,464,300 km (0.083 R)
• M11: 4,925,360 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.1

Radius: 8

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.91 AU - 1.15 AU

Year: 686 Days

Day: 11.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,844,964 km

• M1: 99,483 km (0.092 R)
• M2: 371,751 km (0.106 R)
• M3: 677,080 km (0.048 R)
• M4: 1,134,101 km (0.08 R)
• M5: 1,588,131 km (0.107 R)
• M6: 1,924,726 km (0.12 R)
• M7: 2,708,320 km (0.085 R)
• M8: 3,536,045 km (0.098 R)
• M9: 3,832,099 km (0.117 R)
• M10: 4,144,609 km (0.094 R)
• M11: 5,027,236 km (0.088 R)
• M12: 5,384,177 km (0.089 R)
• M13: 5,644,028 km (0.087 R)
• M14: 6,641,547 km (0.113 R)
• M15: 6,940,743 km (0.088 R)
• M16: 7,361,412 km (0.095 R)
• M17: 7,751,862 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.2

Radius: 9.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.25 AU - 1.89 AU

Year: 1291 Days

Day: 11.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,844,964 km

• M1: 132,993 km (0.101 R)
• M2: 473,178 km (0.087 R)
• M3: 848,669 km (0.075 R)
• M4: 1,297,911 km (0.106 R)
• M5: 2,025,854 km (0.054 R)
• M6: 2,328,640 km (0.12 R)
• M7: 3,049,702 km (0.045 R)
• M8: 3,377,172 km (0.098 R)
• M9: 4,103,619 km (0.035 R)
• M10: 4,713,979 km (0.064 R)
• M11: 5,153,796 km (0.051 R)
• M12: 6,115,860 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 11

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.2 AU - 3.2 AU

Year: 2910 Days

Day: 9.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,844,964 km

• M1: 136,732 km (0.112 R)
• M2: 613,800 km (0.117 R)
• M3: 1,251,237 km (0.104 R)
• M4: 1,672,953 km (0.09 R)
• M5: 2,402,991 km (0.104 R)
• M6: 2,762,175 km (0.111 R)
• M7: 3,678,312 km (0.102 R)
• M8: 5,794,374 km (0.057 R)
• M9: 6,622,698 km (0.112 R)
• M10: 7,479,744 km (0.066 R)
• M11: 8,540,393 km (0.1 R)
• M12: 9,079,544 km (0.095 R)
• M13: 9,470,293 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.2

Radius: 11.6

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.5 AU - 5.24 AU

Year: 7050 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,844,964 km

• M1: 144,960 km (0.094 R)
• M2: 1,020,257 km (0.031 R)
• M3: 1,488,050 km (0.115 R)
• M4: 1,908,121 km (0.05 R)
• M5: 2,301,264 km (0.09 R)
• M6: 2,931,370 km (0.041 R)
• M7: 3,673,675 km (0.113 R)
• M8: 4,076,692 km (0.101 R)
• M9: 4,650,699 km (0.061 R)
• M10: 9,481,064 km (0.058 R)
• M11: 10,146,625 km (0.103 R)
• M12: 11,624,353 km (0.096 R)
• M13: 13,652,601 km (0.093 R)
• M14: 14,072,821 km (0.055 R)
• M15: 14,813,331 km (0.072 R)
• M16: 15,579,721 km (0.067 R)
• M17: 16,038,687 km (0.114 R)
• M18: 16,778,448 km (0.104 R)
• M19: 18,253,633 km (0.046 R)
• M20: 23,882,552 km (0.1 R)
• M21: 25,655,586 km (0.088 R)
• M22: 28,089,543 km (0.06 R)
• M23: 28,966,785 km (0.082 R)
• M24: 30,571,522 km (0.086 R)
• M25: 32,446,581 km (0.118 R)
• M26: 34,618,742 km (0.106 R)
• M27: 39,371,467 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.1

Radius: 4.3

Gravity: 44.57 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.59 AU - 8.05 AU

Year: 14346 Days

Day: 15.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,844,964 km

• M1: 53,556 km (0.074 R)
• M2: 209,437 km (0.086 R)
• M3: 483,949 km (0.064 R)
• M4: 697,425 km (0.074 R)
• M5: 905,067 km (0.116 R)
• M6: 1,245,552 km (0.097 R)
• M7: 1,838,109 km (0.11 R)
• M8: 2,277,628 km (0.09 R)
• M9: 4,453,977 km (0.06 R)
• M10: 4,617,637 km (0.091 R)
• M11: 5,460,621 km (0.1 R)
• M12: 6,076,516 km (0.115 R)
• M13: 6,567,945 km (0.092 R)
• M14: 6,953,608 km (0.101 R)
• M15: 9,536,565 km (0.08 R)
• M16: 10,030,687 km (0.101 R)
• M17: 12,306,818 km (0.042 R)
• M18: 14,048,437 km (0.066 R)
• M19: 14,759,924 km (0.067 R)
• M20: 16,486,882 km (0.09 R)
• M21: 18,765,557 km (0.109 R)
• M22: 22,087,078 km (0.071 R)
• M23: 23,439,593 km (0.035 R)
• M24: 27,937,702 km (0.1 R)
• M25: 32,731,565 km (0.037 R)
• M26: 33,726,840 km (0.064 R)
• M27: 34,358,891 km (0.095 R)
• M28: 39,843,598 km (0.045 R)
• M29: 44,056,723 km (0.094 R)
• M30: 45,575,739 km (0.076 R)
• M31: 54,212,473 km (0.101 R)
• M32: 56,131,963 km (0.057 R)
• M33: 64,456,935 km (0.114 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: 351 - 17,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit