🌌 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 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 10

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.58 AU - 0.74 AU

Year: 377 Days

Day: 5.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,829,950 km

• M1: 124,316 km (0.096 R)
• M2: 471,832 km (0.117 R)
• M3: 807,081 km (0.051 R)
• M4: 1,326,484 km (0.112 R)
• M5: 1,692,251 km (0.116 R)
• M6: 2,018,524 km (0.072 R)
• M7: 2,442,185 km (0.099 R)
• M8: 2,998,689 km (0.065 R)
• M9: 3,365,055 km (0.044 R)
• M10: 3,686,840 km (0.091 R)
• M11: 4,016,254 km (0.054 R)
• M12: 4,749,433 km (0.12 R)
• M13: 5,140,632 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 12.2

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.06 AU - 1.48 AU

Year: 1006 Days

Day: 5.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 125.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,829,950 km

• M1: 151,692 km (0.063 R)
• M2: 591,959 km (0.034 R)
• M3: 998,117 km (0.042 R)
• M4: 1,387,371 km (0.091 R)
• M5: 1,833,023 km (0.072 R)
• M6: 2,672,117 km (0.101 R)
• M7: 3,286,366 km (0.038 R)
• M8: 4,383,068 km (0.081 R)
• M9: 4,949,446 km (0.045 R)
• M10: 6,118,553 km (0.11 R)
• M11: 7,796,293 km (0.05 R)
• M12: 8,192,578 km (0.092 R)
• M13: 9,492,583 km (0.07 R)
• M14: 10,763,268 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 11.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.73 AU - 2.39 AU

Year: 2078 Days

Day: 5.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,829,950 km

• M1: 139,276 km (0.068 R)
• M2: 505,641 km (0.116 R)
• M3: 898,036 km (0.08 R)
• M4: 1,352,963 km (0.048 R)
• M5: 1,911,711 km (0.119 R)
• M6: 2,584,004 km (0.076 R)
• M7: 3,056,434 km (0.114 R)
• M8: 4,521,596 km (0.06 R)
• M9: 7,231,860 km (0.067 R)
• M10: 7,912,830 km (0.111 R)
• M11: 10,463,922 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530

Radius: 9.5

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.81 AU - 3.65 AU

Year: 4080 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,829,950 km

• M1: 118,182 km (0.085 R)
• M2: 508,334 km (0.101 R)
• M3: 1,419,235 km (0.077 R)
• M4: 1,941,481 km (0.059 R)
• M5: 2,540,321 km (0.09 R)
• M6: 2,987,170 km (0.091 R)
• M7: 3,890,442 km (0.106 R)
• M8: 4,258,752 km (0.118 R)
• M9: 5,640,139 km (0.117 R)
• M10: 5,999,623 km (0.078 R)
• M11: 6,552,536 km (0.071 R)
• M12: 8,170,587 km (0.072 R)
• M13: 8,667,701 km (0.112 R)
• M14: 9,959,478 km (0.055 R)
• M15: 10,777,031 km (0.117 R)
• M16: 13,596,202 km (0.036 R)
• M17: 14,092,867 km (0.104 R)
• M18: 14,550,188 km (0.118 R)
• M19: 14,965,023 km (0.049 R)
• M20: 15,981,840 km (0.115 R)
• M21: 17,738,717 km (0.111 R)
• M22: 18,877,157 km (0.109 R)
• M23: 20,968,984 km (0.092 R)
• M24: 22,036,963 km (0.065 R)
• M25: 23,210,858 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.1

Radius: 13.4

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.23 AU - 3.79 AU

Year: 4622 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,829,950 km

• M1: 166,951 km (0.08 R)
• M2: 618,737 km (0.119 R)
• M3: 1,235,080 km (0.04 R)
• M4: 2,461,932 km (0.059 R)
• M5: 2,928,528 km (0.076 R)
• M6: 4,292,711 km (0.102 R)
• M7: 5,078,249 km (0.046 R)
• M8: 5,616,502 km (0.079 R)
• M9: 8,162,209 km (0.116 R)
• M10: 9,329,671 km (0.115 R)
• M11: 9,810,479 km (0.11 R)
• M12: 10,605,591 km (0.029 R)
• M13: 11,488,518 km (0.052 R)
• M14: 12,467,786 km (0.097 R)
• M15: 13,002,598 km (0.092 R)
• M16: 15,131,974 km (0.12 R)
• M17: 16,136,823 km (0.096 R)
• M18: 16,948,691 km (0.119 R)
• M19: 18,341,447 km (0.073 R)
• M20: 18,843,497 km (0.114 R)
• M21: 20,538,292 km (0.073 R)
• M22: 22,050,128 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.3

Radius: 14

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.82 AU - 4 AU

Year: 5435 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,829,950 km

• M1: 175,478 km (0.107 R)
• M2: 805,884 km (0.035 R)
• M3: 1,447,359 km (0.108 R)
• M4: 8,831,211 km (0.056 R)
• M5: 11,733,559 km (0.068 R)
• M6: 13,426,259 km (0.075 R)
• M7: 16,005,476 km (0.081 R)
• M8: 16,757,355 km (0.079 R)
• M9: 18,145,324 km (0.11 R)
• M10: 20,135,574 km (0.071 R)
• M11: 23,646,636 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.5

Radius: 6.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.3 AU - 6.18 AU

Year: 9667 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,829,950 km

• M1: 80,783 km (0.115 R)
• M2: 286,779 km (0.088 R)
• M3: 861,085 km (0.076 R)
• M4: 4,907,708 km (0.093 R)
• M5: 5,297,859 km (0.109 R)
• M6: 5,821,452 km (0.078 R)
• M7: 7,464,186 km (0.037 R)
• M8: 11,723,836 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.2

Radius: 4.2

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.49 AU - 6.41 AU

Year: 10202 Days

Day: 23.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,829,950 km

• M1: 52,808 km (0.108 R)
• M2: 375,341 km (0.099 R)
• M3: 1,856,360 km (0.111 R)
• M4: 2,164,681 km (0.083 R)
• M5: 2,652,520 km (0.101 R)
• M6: 2,804,511 km (0.06 R)
• M7: 9,048,128 km (0.102 R)
• M8: 14,767,404 km (0.054 R)
• M9: 17,582,387 km (0.067 R)
• M10: 17,903,724 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.3

Radius: 6.2

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.09 AU - 8.43 AU

Year: 12355 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,829,950 km

• M1: 82,428 km (0.12 R)
• M2: 542,292 km (0.12 R)
• M3: 997,369 km (0.088 R)
• M4: 1,212,192 km (0.063 R)
• M5: 1,433,148 km (0.088 R)
• M6: 2,402,691 km (0.116 R)
• M7: 3,608,151 km (0.083 R)
• M8: 4,172,434 km (0.115 R)
• M9: 4,382,021 km (0.047 R)
• M10: 4,626,165 km (0.11 R)
• M11: 6,051,982 km (0.078 R)
• M12: 6,253,041 km (0.099 R)
• M13: 7,515,947 km (0.103 R)
• M14: 7,945,891 km (0.101 R)
• M15: 8,474,719 km (0.095 R)
• M16: 8,854,548 km (0.053 R)
• M17: 9,830,525 km (0.03 R)
• M18: 11,682,247 km (0.07 R)
• M19: 13,131,402 km (0.049 R)
• M20: 15,182,837 km (0.036 R)
• M21: 15,492,355 km (0.083 R)
• M22: 18,261,113 km (0.082 R)
• M23: 19,615,422 km (0.063 R)
• M24: 24,246,374 km (0.082 R)
• M25: 25,097,287 km (0.03 R)
• M26: 26,589,376 km (0.097 R)
• M27: 28,606,703 km (0.087 R)
• M28: 29,460,608 km (0.117 R)
• M29: 33,046,768 km (0.119 R)
• M30: 35,051,828 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629

Radius: 7.7

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.13 AU - 9.47 AU

Year: 18350 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,829,950 km

• M1: 96,341 km (0.054 R)
• M2: 612,902 km (0.119 R)
• M3: 1,423,125 km (0.051 R)
• M4: 2,296,178 km (0.115 R)
• M5: 2,601,806 km (0.051 R)
• M6: 2,984,328 km (0.095 R)
• M7: 4,558,696 km (0.104 R)
• M8: 6,117,356 km (0.113 R)
• M9: 6,795,184 km (0.102 R)
• M10: 7,382,057 km (0.09 R)
• M11: 8,299,989 km (0.097 R)
• M12: 8,708,391 km (0.111 R)
• M13: 9,130,108 km (0.071 R)
• M14: 10,014,530 km (0.08 R)
• M15: 10,302,207 km (0.062 R)
• M16: 10,595,568 km (0.109 R)
• M17: 11,888,692 km (0.082 R)
• M18: 12,540,042 km (0.077 R)
• M19: 13,985,157 km (0.046 R)
• M20: 16,876,734 km (0.117 R)
• M21: 19,246,514 km (0.034 R)
• M22: 21,257,558 km (0.118 R)
• M23: 22,022,452 km (0.114 R)
• M24: 22,805,447 km (0.113 R)
• M25: 23,304,207 km (0.092 R)
• M26: 27,897,909 km (0.074 R)
• M27: 29,988,090 km (0.068 R)
• M28: 36,608,993 km (0.074 R)
• M29: 38,264,293 km (0.097 R)
• M30: 40,402,795 km (0.078 R)
• M31: 47,617,601 km (0.108 R)
• M32: 48,596,270 km (0.112 R)
• M33: 52,818,819 km (0.096 R)
• M34: 61,985,130 km (0.062 R)
• M35: 64,928,617 km (0.08 R)
• M36: 66,536,047 km (0.114 R)
• M37: 67,145,508 km (0.054 R)
• M38: 69,829,892 km (0.053 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 13,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit