🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.51 AU - 0.79 AU

Year: 344 Days

Day: 18.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.8

Radius: 14.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.66 AU - 0.98 AU

Year: 487 Days

Day: 13.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,503,297 km

• M1: 181,612 km (0.069 R)
• M2: 654,042 km (0.067 R)
• M3: 1,236,875 km (0.118 R)
• M4: 1,797,718 km (0.034 R)
• M5: 2,322,058 km (0.089 R)
• M6: 3,022,176 km (0.109 R)
• M7: 3,568,807 km (0.059 R)
• M8: 4,849,065 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.8

Radius: 12.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.93 AU - 0.99 AU

Year: 617 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,503,297 km

• M1: 160,668 km (0.097 R)
• M2: 575,204 km (0.102 R)
• M3: 1,033,871 km (0.099 R)
• M4: 1,460,823 km (0.107 R)
• M5: 2,289,296 km (0.114 R)
• M6: 3,235,652 km (0.104 R)
• M7: 3,829,406 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.4

Radius: 9.9

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.27 AU - 2.05 AU

Year: 1403 Days

Day: 14.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,503,297 km

• M1: 123,119 km (0.109 R)
• M2: 481,256 km (0.114 R)
• M3: 853,157 km (0.111 R)
• M4: 1,473,988 km (0.068 R)
• M5: 1,928,616 km (0.117 R)
• M6: 2,373,370 km (0.075 R)
• M7: 2,958,298 km (0.08 R)
• M8: 3,503,283 km (0.084 R)
• M9: 3,896,875 km (0.1 R)
• M10: 4,244,092 km (0.099 R)
• M11: 4,773,369 km (0.089 R)
• M12: 5,479,471 km (0.11 R)
• M13: 5,799,311 km (0.078 R)
• M14: 7,233,356 km (0.058 R)
• M15: 8,643,915 km (0.118 R)
• M16: 8,984,399 km (0.106 R)
• M17: 10,161,435 km (0.069 R)
• M18: 10,575,821 km (0.116 R)
• M19: 10,929,770 km (0.092 R)
• M20: 11,811,500 km (0.068 R)
• M21: 13,968,103 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.4

Radius: 10.6

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.42 AU - 2.42 AU

Year: 2470 Days

Day: 12 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,503,297 km

• M1: 136,732 km (0.093 R)
• M2: 493,224 km (0.081 R)
• M3: 884,123 km (0.101 R)
• M4: 1,497,624 km (0.093 R)
• M5: 1,871,170 km (0.117 R)
• M6: 2,225,717 km (0.083 R)
• M7: 2,701,738 km (0.095 R)
• M8: 3,192,568 km (0.119 R)
• M9: 3,723,042 km (0.037 R)
• M10: 4,205,795 km (0.104 R)
• M11: 4,662,068 km (0.106 R)
• M12: 7,459,249 km (0.025 R)
• M13: 7,966,535 km (0.053 R)
• M14: 10,229,951 km (0.099 R)
• M15: 11,261,429 km (0.116 R)
• M16: 12,015,252 km (0.062 R)
• M17: 12,936,925 km (0.086 R)
• M18: 14,190,256 km (0.115 R)
• M19: 15,778,536 km (0.118 R)
• M20: 16,615,536 km (0.066 R)
• M21: 17,537,209 km (0.107 R)
• M22: 17,870,513 km (0.086 R)
• M23: 18,837,813 km (0.053 R)
• M24: 20,506,727 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.2

Radius: 8.6

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.27 AU - 5.11 AU

Year: 5626 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,503,297 km

• M1: 106,962 km (0.104 R)
• M2: 396,434 km (0.093 R)
• M3: 701,913 km (0.052 R)
• M4: 1,040,603 km (0.092 R)
• M5: 1,415,345 km (0.108 R)
• M6: 1,864,438 km (0.112 R)
• M7: 2,639,355 km (0.081 R)
• M8: 3,279,784 km (0.101 R)
• M9: 4,324,725 km (0.069 R)
• M10: 4,644,864 km (0.104 R)
• M11: 5,796,768 km (0.066 R)
• M12: 6,947,325 km (0.096 R)
• M13: 7,238,891 km (0.082 R)
• M14: 7,614,831 km (0.115 R)
• M15: 8,529,173 km (0.049 R)
• M16: 9,470,592 km (0.099 R)
• M17: 10,718,538 km (0.118 R)
• M18: 12,548,419 km (0.047 R)
• M19: 13,257,662 km (0.074 R)
• M20: 14,051,130 km (0.103 R)
• M21: 14,756,035 km (0.096 R)
• M22: 20,889,099 km (0.104 R)
• M23: 21,344,774 km (0.087 R)
• M24: 24,806,469 km (0.089 R)
• M25: 25,748,636 km (0.118 R)
• M26: 26,184,714 km (0.082 R)
• M27: 28,439,303 km (0.097 R)
• M28: 29,661,518 km (0.101 R)
• M29: 33,022,832 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.7

Radius: 9.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.88 AU - 4.7 AU

Year: 5829 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,503,297 km

• M1: 122,969 km (0.095 R)
• M2: 1,093,560 km (0.118 R)
• M3: 3,955,368 km (0.094 R)
• M4: 4,289,270 km (0.064 R)
• M5: 5,292,174 km (0.116 R)
• M6: 6,476,840 km (0.061 R)
• M7: 8,129,148 km (0.112 R)
• M8: 9,114,400 km (0.105 R)
• M9: 10,001,814 km (0.115 R)
• M10: 11,850,096 km (0.098 R)
• M11: 13,591,565 km (0.079 R)
• M12: 17,258,209 km (0.09 R)
• M13: 22,574,767 km (0.078 R)
• M14: 25,807,877 km (0.048 R)
• M15: 28,448,578 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697

Radius: 4.9

Gravity: 29.03 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.21 AU - 7.85 AU

Year: 10947 Days

Day: 24.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,503,297 km

• M1: 61,784 km (0.044 R)
• M2: 230,082 km (0.074 R)
• M3: 495,169 km (0.058 R)
• M4: 776,862 km (0.059 R)
• M5: 1,136,345 km (0.117 R)
• M6: 1,736,981 km (0.11 R)
• M7: 1,932,655 km (0.119 R)
• M8: 2,329,837 km (0.067 R)
• M9: 2,589,090 km (0.094 R)
• M10: 4,099,131 km (0.086 R)
• M11: 4,417,775 km (0.106 R)
• M12: 6,966,025 km (0.053 R)
• M13: 7,294,093 km (0.107 R)
• M14: 7,461,942 km (0.091 R)
• M15: 10,405,878 km (0.106 R)
• M16: 11,275,192 km (0.115 R)
• M17: 12,309,661 km (0.082 R)
• M18: 12,911,044 km (0.047 R)
• M19: 14,765,310 km (0.087 R)
• M20: 17,156,931 km (0.107 R)
• M21: 18,599,952 km (0.098 R)
• M22: 19,471,210 km (0.09 R)
• M23: 21,724,752 km (0.029 R)
• M24: 25,087,114 km (0.101 R)
• M25: 25,374,043 km (0.106 R)
• M26: 25,857,094 km (0.119 R)
• M27: 29,094,991 km (0.065 R)
• M28: 30,052,118 km (0.098 R)
• M29: 30,484,157 km (0.081 R)
• M30: 31,471,353 km (0.078 R)
• M31: 34,678,731 km (0.068 R)
• M32: 36,117,713 km (0.081 R)
• M33: 43,087,029 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.4

Radius: 5

Gravity: 39.58 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.73 AU - 11.83 AU

Year: 20064 Days

Day: 19.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,503,297 km

• M1: 62,233 km (0.106 R)
• M2: 274,063 km (0.065 R)
• M3: 616,493 km (0.047 R)
• M4: 1,912,758 km (0.109 R)
• M5: 3,185,687 km (0.094 R)
• M6: 3,388,093 km (0.061 R)
• M7: 3,850,799 km (0.092 R)
• M8: 4,047,370 km (0.097 R)
• M9: 4,714,128 km (0.063 R)
• M10: 5,741,566 km (0.103 R)
• M11: 6,352,674 km (0.078 R)
• M12: 7,858,675 km (0.071 R)
• M13: 8,834,353 km (0.091 R)
• M14: 10,572,231 km (0.114 R)
• M15: 11,220,738 km (0.092 R)
• M16: 13,928,310 km (0.119 R)
• M17: 15,514,646 km (0.071 R)
• M18: 15,762,529 km (0.097 R)
• M19: 16,780,543 km (0.115 R)
• M20: 17,841,790 km (0.045 R)
• M21: 18,113,909 km (0.081 R)
• M22: 26,199,823 km (0.104 R)
• M23: 27,264,212 km (0.082 R)
• M24: 33,431,085 km (0.111 R)
• M25: 37,425,647 km (0.095 R)
• M26: 42,367,015 km (0.115 R)
• M27: 47,900,341 km (0.043 R)
• M28: 50,206,093 km (0.084 R)
• M29: 67,569,618 km (0.027 R)
• M30: 69,118,854 km (0.1 R)
• M31: 81,625,236 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.4

Radius: 7.2

Gravity: 16.52 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.57 AU - 10.79 AU

Year: 21307 Days

Day: 21.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,503,297 km

• M1: 89,908 km (0.068 R)
• M2: 439,369 km (0.073 R)
• M3: 1,573,470 km (0.09 R)
• M4: 2,634,119 km (0.085 R)
• M5: 2,994,650 km (0.089 R)
• M6: 4,415,980 km (0.089 R)
• M7: 5,515,075 km (0.112 R)
• M8: 5,933,351 km (0.091 R)
• M9: 6,554,182 km (0.076 R)
• M10: 7,120,260 km (0.095 R)
• M11: 8,403,361 km (0.077 R)
• M12: 10,386,431 km (0.081 R)
• M13: 12,099,326 km (0.1 R)
• M14: 13,095,798 km (0.028 R)
• M15: 13,464,556 km (0.107 R)
• M16: 18,172,401 km (0.117 R)
• M17: 19,860,763 km (0.09 R)
• M18: 21,959,621 km (0.077 R)
• M19: 23,438,246 km (0.104 R)
• M20: 24,423,049 km (0.09 R)
• M21: 27,663,638 km (0.039 R)
• M22: 29,011,365 km (0.118 R)
• M23: 29,261,044 km (0.073 R)
• M24: 30,274,121 km (0.112 R)
• M25: 33,453,674 km (0.063 R)
• M26: 36,848,948 km (0.111 R)
• M27: 43,985,514 km (0.073 R)
• M28: 52,174,801 km (0.109 R)
• M29: 54,228,181 km (0.089 R)
• M30: 62,772,164 km (0.077 R)
• M31: 63,190,141 km (0.038 R)
• M32: 64,454,841 km (0.09 R)
• M33: 70,581,023 km (0.111 R)
• M34: 70,806,617 km (0.051 R)
• M35: 76,131,404 km (0.085 R)
• M36: 82,465,228 km (0.093 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 16,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit