🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.9

Radius: 13.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.73 AU - 0.89 AU

Year: 486 Days

Day: 8 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,189,864 km

• M1: 172,935 km (0.113 R)
• M2: 625,618 km (0.102 R)
• M3: 1,217,128 km (0.082 R)
• M4: 1,675,197 km (0.074 R)
• M5: 2,205,671 km (0.067 R)
• M6: 2,826,652 km (0.102 R)
• M7: 3,703,744 km (0.11 R)
• M8: 4,136,082 km (0.102 R)
• M9: 5,712,095 km (0.1 R)
• M10: 6,181,085 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.7

Radius: 12.7

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.06 AU - 1.52 AU

Year: 977 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,189,864 km

• M1: 157,975 km (0.105 R)
• M2: 587,920 km (0.081 R)
• M3: 1,074,113 km (0.086 R)
• M4: 1,578,557 km (0.088 R)
• M5: 2,410,470 km (0.114 R)
• M6: 2,914,915 km (0.11 R)
• M7: 3,503,133 km (0.11 R)
• M8: 3,991,570 km (0.12 R)
• M9: 4,653,990 km (0.107 R)
• M10: 5,211,242 km (0.108 R)
• M11: 5,718,528 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 10.9

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.21 AU - 1.77 AU

Year: 1213 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,189,864 km

• M1: 135,536 km (0.112 R)
• M2: 573,259 km (0.09 R)
• M3: 1,019,659 km (0.113 R)
• M4: 1,392,307 km (0.088 R)
• M5: 1,771,388 km (0.048 R)
• M6: 2,242,173 km (0.079 R)
• M7: 2,617,963 km (0.057 R)
• M8: 3,035,939 km (0.111 R)
• M9: 4,108,406 km (0.109 R)
• M10: 4,547,476 km (0.089 R)
• M11: 5,175,039 km (0.03 R)
• M12: 5,881,141 km (0.054 R)
• M13: 6,986,071 km (0.114 R)
• M14: 7,743,784 km (0.108 R)
• M15: 8,924,261 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 14.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.86 AU - 4.24 AU

Year: 5435 Days

Day: 10.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,189,864 km

• M1: 184,454 km (0.108 R)
• M2: 645,216 km (0.099 R)
• M3: 1,254,528 km (0.115 R)
• M4: 1,763,310 km (0.091 R)
• M5: 3,343,512 km (0.114 R)
• M6: 5,020,804 km (0.115 R)
• M7: 5,547,239 km (0.07 R)
• M8: 11,286,561 km (0.08 R)
• M9: 11,785,171 km (0.078 R)
• M10: 12,666,751 km (0.109 R)
• M11: 15,515,693 km (0.092 R)
• M12: 17,351,259 km (0.081 R)
• M13: 21,754,971 km (0.09 R)
• M14: 23,482,079 km (0.093 R)
• M15: 26,241,710 km (0.108 R)
• M16: 27,386,134 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858

Radius: 5.8

Gravity: 25.51 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.68 AU - 6.22 AU

Year: 9678 Days

Day: 20 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,189,864 km

• M1: 74,500 km (0.059 R)
• M2: 342,729 km (0.092 R)
• M3: 805,435 km (0.041 R)
• M4: 1,110,615 km (0.109 R)
• M5: 1,741,918 km (0.088 R)
• M6: 3,732,766 km (0.081 R)
• M7: 4,256,359 km (0.114 R)
• M8: 4,641,872 km (0.062 R)
• M9: 4,954,083 km (0.099 R)
• M10: 6,612,525 km (0.112 R)
• M11: 6,927,578 km (0.113 R)
• M12: 11,418,506 km (0.12 R)
• M13: 12,338,084 km (0.109 R)
• M14: 14,520,119 km (0.049 R)
• M15: 17,988,396 km (0.116 R)
• M16: 18,602,645 km (0.116 R)
• M17: 21,369,906 km (0.104 R)
• M18: 24,029,158 km (0.106 R)
• M19: 27,907,034 km (0.091 R)
• M20: 29,042,332 km (0.093 R)
• M21: 31,736,440 km (0.08 R)
• M22: 33,430,337 km (0.057 R)
• M23: 38,999,716 km (0.097 R)
• M24: 40,548,054 km (0.067 R)
• M25: 43,492,140 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.8

Radius: 4.7

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.6 AU - 8.8 AU

Year: 17112 Days

Day: 24.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,189,864 km

• M1: 58,493 km (0.118 R)
• M2: 226,192 km (0.071 R)
• M3: 543,489 km (0.106 R)
• M4: 689,646 km (0.113 R)
• M5: 1,075,160 km (0.08 R)
• M6: 1,592,619 km (0.107 R)
• M7: 1,882,390 km (0.112 R)
• M8: 2,449,216 km (0.091 R)
• M9: 2,607,192 km (0.099 R)
• M10: 3,191,671 km (0.106 R)
• M11: 3,380,613 km (0.095 R)
• M12: 3,652,432 km (0.101 R)
• M13: 4,046,622 km (0.092 R)
• M14: 4,497,660 km (0.117 R)
• M15: 7,933,175 km (0.064 R)
• M16: 9,193,238 km (0.085 R)
• M17: 9,431,547 km (0.114 R)
• M18: 12,046,219 km (0.091 R)
• M19: 13,396,489 km (0.091 R)
• M20: 13,702,866 km (0.032 R)
• M21: 16,255,155 km (0.094 R)
• M22: 19,731,062 km (0.095 R)
• M23: 21,515,914 km (0.109 R)
• M24: 23,494,196 km (0.074 R)
• M25: 24,119,515 km (0.094 R)
• M26: 24,300,080 km (0.11 R)
• M27: 27,413,361 km (0.084 R)
• M28: 28,912,332 km (0.105 R)
• M29: 29,321,183 km (0.108 R)
• M30: 29,630,252 km (0.095 R)
• M31: 31,315,621 km (0.061 R)
• M32: 32,841,969 km (0.064 R)
• M33: 34,761,010 km (0.051 R)
• M34: 37,960,609 km (0.118 R)
• M35: 38,944,963 km (0.101 R)
• M36: 43,854,317 km (0.11 R)
• M37: 44,665,287 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.9

Radius: 5.8

Gravity: 26.45 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.79 AU - 12.95 AU

Year: 22269 Days

Day: 19.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,189,864 km

• M1: 72,106 km (0.117 R)
• M2: 263,442 km (0.104 R)
• M3: 806,632 km (0.114 R)
• M4: 1,228,647 km (0.118 R)
• M5: 1,567,337 km (0.106 R)
• M6: 1,885,382 km (0.079 R)
• M7: 2,135,061 km (0.052 R)
• M8: 2,575,776 km (0.1 R)
• M9: 3,992,169 km (0.112 R)
• M10: 5,237,421 km (0.071 R)
• M11: 6,961,687 km (0.045 R)
• M12: 7,407,638 km (0.037 R)
• M13: 8,247,181 km (0.07 R)
• M14: 9,502,906 km (0.083 R)
• M15: 12,602,723 km (0.107 R)
• M16: 21,311,413 km (0.1 R)
• M17: 21,725,052 km (0.112 R)
• M18: 26,161,825 km (0.107 R)
• M19: 27,237,135 km (0.115 R)
• M20: 27,480,082 km (0.06 R)
• M21: 29,348,110 km (0.111 R)
• M22: 30,770,636 km (0.081 R)
• M23: 32,238,640 km (0.069 R)
• M24: 35,602,348 km (0.113 R)
• M25: 39,347,232 km (0.055 R)
• M26: 39,657,797 km (0.064 R)
• M27: 47,257,818 km (0.084 R)
• M28: 48,493,197 km (0.078 R)
• M29: 57,152,371 km (0.063 R)
• M30: 58,151,385 km (0.062 R)
• M31: 62,264,130 km (0.078 R)
• M32: 70,376,074 km (0.067 R)
• M33: 75,757,858 km (0.063 R)
• M34: 79,164,500 km (0.114 R)
• M35: 80,655,094 km (0.075 R)
• M36: 84,980,267 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 11,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit