🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.5

Radius: 12.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.81 AU - 0.97 AU

Year: 551 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,829,586 km

• M1: 156,629 km (0.106 R)
• M2: 758,162 km (0.117 R)
• M3: 1,234,482 km (0.063 R)
• M4: 1,635,853 km (0.075 R)
• M5: 2,075,521 km (0.09 R)
• M6: 2,594,775 km (0.098 R)
• M7: 3,042,970 km (0.095 R)
• M8: 4,166,002 km (0.118 R)
• M9: 4,770,078 km (0.078 R)
• M10: 5,448,354 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.1

Radius: 14.2

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.52 AU - 1.66 AU

Year: 1315 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,829,586 km

• M1: 178,470 km (0.12 R)
• M2: 630,854 km (0.108 R)
• M3: 1,155,793 km (0.034 R)
• M4: 1,602,642 km (0.084 R)
• M5: 2,357,662 km (0.094 R)
• M6: 3,172,672 km (0.115 R)
• M7: 3,753,261 km (0.075 R)
• M8: 4,262,193 km (0.083 R)
• M9: 5,059,400 km (0.057 R)
• M10: 6,033,432 km (0.075 R)
• M11: 7,399,709 km (0.097 R)
• M12: 7,938,261 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.9

Radius: 14.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.21 AU - 2.87 AU

Year: 2656 Days

Day: 9.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,829,586 km

• M1: 184,005 km (0.096 R)
• M2: 1,070,971 km (0.074 R)
• M3: 1,710,652 km (0.112 R)
• M4: 2,175,901 km (0.108 R)
• M5: 2,991,509 km (0.12 R)
• M6: 3,929,936 km (0.071 R)
• M7: 4,673,138 km (0.113 R)
• M8: 5,189,849 km (0.041 R)
• M9: 6,186,770 km (0.036 R)
• M10: 6,947,176 km (0.108 R)
• M11: 7,917,318 km (0.09 R)
• M12: 9,438,878 km (0.067 R)
• M13: 11,451,717 km (0.073 R)
• M14: 12,195,667 km (0.045 R)
• M15: 12,805,578 km (0.096 R)
• M16: 13,998,770 km (0.054 R)
• M17: 16,263,682 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 9.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.55 AU - 3.77 AU

Year: 3685 Days

Day: 10.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,829,586 km

• M1: 116,986 km (0.104 R)
• M2: 442,062 km (0.067 R)
• M3: 849,118 km (0.087 R)
• M4: 1,442,722 km (0.063 R)
• M5: 2,170,964 km (0.104 R)
• M6: 2,625,891 km (0.056 R)
• M7: 3,178,057 km (0.059 R)
• M8: 3,594,089 km (0.093 R)
• M9: 4,254,414 km (0.1 R)
• M10: 4,783,990 km (0.095 R)
• M11: 5,136,742 km (0.094 R)
• M12: 6,136,355 km (0.034 R)
• M13: 6,783,815 km (0.056 R)
• M14: 7,476,004 km (0.081 R)
• M15: 12,744,243 km (0.094 R)
• M16: 14,514,584 km (0.117 R)
• M17: 15,662,448 km (0.071 R)
• M18: 16,870,002 km (0.09 R)
• M19: 19,587,896 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 12.4

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.36 AU - 5.16 AU

Year: 6813 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,829,586 km

• M1: 158,125 km (0.101 R)
• M2: 708,944 km (0.113 R)
• M3: 1,216,231 km (0.114 R)
• M4: 2,203,577 km (0.117 R)
• M5: 2,722,681 km (0.098 R)
• M6: 4,111,697 km (0.05 R)
• M7: 4,761,102 km (0.096 R)
• M8: 5,415,443 km (0.083 R)
• M9: 6,438,692 km (0.085 R)
• M10: 7,547,512 km (0.068 R)
• M11: 8,779,600 km (0.102 R)
• M12: 10,576,569 km (0.074 R)
• M13: 11,277,735 km (0.104 R)
• M14: 11,744,779 km (0.096 R)
• M15: 12,607,061 km (0.12 R)
• M16: 13,978,874 km (0.111 R)
• M17: 15,959,849 km (0.099 R)
• M18: 17,911,054 km (0.097 R)
• M19: 18,476,235 km (0.103 R)
• M20: 19,199,391 km (0.088 R)
• M21: 23,184,828 km (0.048 R)
• M22: 24,111,586 km (0.083 R)
• M23: 26,490,941 km (0.09 R)
• M24: 27,597,067 km (0.113 R)
• M25: 29,022,885 km (0.093 R)
• M26: 30,397,240 km (0.086 R)
• M27: 34,563,242 km (0.12 R)
• M28: 36,669,430 km (0.058 R)
• M29: 39,688,315 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.2

Radius: 5.2

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.52 AU - 7.7 AU

Year: 11148 Days

Day: 17.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,829,586 km

• M1: 64,626 km (0.032 R)
• M2: 246,537 km (0.082 R)
• M3: 551,867 km (0.044 R)
• M4: 869,612 km (0.114 R)
• M5: 1,314,217 km (0.119 R)
• M6: 1,730,698 km (0.097 R)
• M7: 2,486,167 km (0.104 R)
• M8: 2,700,242 km (0.092 R)
• M9: 3,255,698 km (0.115 R)
• M10: 3,961,651 km (0.038 R)
• M11: 5,804,547 km (0.115 R)
• M12: 7,615,280 km (0.068 R)
• M13: 11,222,832 km (0.03 R)
• M14: 16,294,350 km (0.083 R)
• M15: 17,535,114 km (0.067 R)
• M16: 24,078,076 km (0.107 R)
• M17: 24,253,106 km (0.116 R)
• M18: 25,867,267 km (0.078 R)
• M19: 29,407,201 km (0.119 R)
• M20: 31,136,852 km (0.081 R)
• M21: 32,291,448 km (0.068 R)
• M22: 35,471,750 km (0.104 R)
• M23: 36,499,636 km (0.107 R)
• M24: 36,846,554 km (0.093 R)
• M25: 41,308,909 km (0.061 R)
• M26: 41,685,746 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.6

Radius: 7.5

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.34 AU - 8.34 AU

Year: 14401 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,829,586 km

• M1: 93,349 km (0.064 R)
• M2: 510,428 km (0.108 R)
• M3: 761,752 km (0.058 R)
• M4: 1,016,518 km (0.093 R)
• M5: 1,981,873 km (0.084 R)
• M6: 2,288,548 km (0.07 R)
• M7: 3,247,770 km (0.072 R)
• M8: 3,789,015 km (0.119 R)
• M9: 4,388,902 km (0.032 R)
• M10: 15,867,098 km (0.072 R)
• M11: 17,979,869 km (0.05 R)
• M12: 23,821,516 km (0.115 R)
• M13: 25,741,754 km (0.105 R)
• M14: 27,006,305 km (0.118 R)
• M15: 33,459,359 km (0.111 R)
• M16: 36,645,046 km (0.119 R)
• M17: 44,803,216 km (0.115 R)
• M18: 45,710,527 km (0.116 R)
• M19: 56,688,617 km (0.088 R)
• M20: 58,285,275 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.3

Radius: 3.6

Gravity: 35.83 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.06 AU - 12.04 AU

Year: 20901 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,829,586 km

• M1: 45,029 km (0.057 R)
• M2: 189,092 km (0.112 R)
• M3: 539,300 km (0.035 R)
• M4: 797,357 km (0.088 R)
• M5: 1,383,631 km (0.118 R)
• M6: 1,506,750 km (0.089 R)
• M7: 1,920,537 km (0.11 R)
• M8: 2,748,262 km (0.053 R)
• M9: 2,918,804 km (0.119 R)
• M10: 3,417,115 km (0.091 R)
• M11: 4,785,486 km (0.112 R)
• M12: 6,739,982 km (0.078 R)
• M13: 7,463,288 km (0.082 R)
• M14: 8,337,089 km (0.119 R)
• M15: 8,540,094 km (0.113 R)
• M16: 10,112,367 km (0.089 R)
• M17: 10,637,007 km (0.119 R)
• M18: 10,815,776 km (0.054 R)
• M19: 11,302,568 km (0.064 R)
• M20: 12,649,547 km (0.11 R)
• M21: 13,604,879 km (0.098 R)
• M22: 16,757,505 km (0.111 R)
• M23: 18,076,360 km (0.096 R)
• M24: 22,445,216 km (0.099 R)
• M25: 24,977,010 km (0.091 R)
• M26: 29,765,339 km (0.071 R)
• M27: 31,447,268 km (0.088 R)
• M28: 34,346,175 km (0.117 R)
• M29: 35,262,612 km (0.059 R)
• M30: 37,418,167 km (0.119 R)
• M31: 38,809,128 km (0.068 R)
• M32: 38,950,050 km (0.103 R)
• M33: 39,660,041 km (0.088 R)
• M34: 49,523,328 km (0.105 R)
• M35: 49,855,286 km (0.112 R)
• M36: 50,188,889 km (0.09 R)
• M37: 51,708,354 km (0.069 R)
• M38: 55,550,925 km (0.101 R)
• M39: 61,857,074 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 11,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit