🌌 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: 886.1

Radius: 12.4

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.6 AU - 0.86 AU

Year: 416 Days

Day: 12.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,776,084 km

• M1: 154,235 km (0.095 R)
• M2: 545,583 km (0.099 R)
• M3: 1,090,718 km (0.039 R)
• M4: 1,583,643 km (0.093 R)
• M5: 2,215,993 km (0.117 R)
• M6: 2,632,324 km (0.107 R)
• M7: 3,078,724 km (0.081 R)
• M8: 4,153,435 km (0.088 R)
• M9: 5,169,055 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.3

Radius: 12.8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.79 AU - 1.07 AU

Year: 598 Days

Day: 8 Hours

Environment

Temp: -173 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,776,084 km

• M1: 159,172 km (0.116 R)
• M2: 936,183 km (0.101 R)
• M3: 1,522,158 km (0.044 R)
• M4: 1,998,179 km (0.08 R)
• M5: 2,407,179 km (0.054 R)
• M6: 2,861,358 km (0.045 R)
• M7: 3,817,139 km (0.09 R)
• M8: 4,726,694 km (0.086 R)
• M9: 5,756,975 km (0.118 R)
• M10: 6,598,313 km (0.097 R)
• M11: 7,189,075 km (0.091 R)
• M12: 7,587,305 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.5

Radius: 8.4

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.83 AU - 1.07 AU

Year: 617 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,776,084 km

• M1: 106,364 km (0.078 R)
• M2: 466,297 km (0.113 R)
• M3: 821,442 km (0.083 R)
• M4: 1,137,692 km (0.071 R)
• M5: 1,646,624 km (0.047 R)
• M6: 2,407,927 km (0.119 R)
• M7: 2,719,390 km (0.082 R)
• M8: 3,236,999 km (0.043 R)
• M9: 3,644,055 km (0.106 R)
• M10: 3,971,524 km (0.05 R)
• M11: 4,438,569 km (0.093 R)
• M12: 4,748,685 km (0.099 R)
• M13: 5,767,447 km (0.097 R)
• M14: 6,232,397 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.1

Radius: 9.4

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.09 AU - 2.43 AU

Year: 2266 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,776,084 km

• M1: 116,836 km (0.068 R)
• M2: 511,026 km (0.058 R)
• M3: 828,323 km (0.113 R)
• M4: 1,290,581 km (0.113 R)
• M5: 1,655,899 km (0.033 R)
• M6: 2,682,739 km (0.094 R)
• M7: 3,350,394 km (0.06 R)
• M8: 5,322,543 km (0.051 R)
• M9: 7,141,204 km (0.081 R)
• M10: 8,296,848 km (0.106 R)
• M11: 8,729,485 km (0.089 R)
• M12: 9,673,447 km (0.116 R)
• M13: 10,756,386 km (0.094 R)
• M14: 11,421,199 km (0.118 R)
• M15: 12,996,315 km (0.099 R)
• M16: 15,071,836 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302

Radius: 11.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.77 AU - 3.09 AU

Year: 3344 Days

Day: 13 Hours

Environment

Temp: -221 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,776,084 km

• M1: 140,472 km (0.037 R)
• M2: 1,239,867 km (0.074 R)
• M3: 1,916,498 km (0.069 R)
• M4: 2,453,555 km (0.091 R)
• M5: 4,316,347 km (0.091 R)
• M6: 4,995,821 km (0.062 R)
• M7: 6,594,723 km (0.055 R)
• M8: 8,479,207 km (0.088 R)
• M9: 10,219,330 km (0.12 R)
• M10: 11,902,306 km (0.116 R)
• M11: 13,065,130 km (0.109 R)
• M12: 16,252,612 km (0.117 R)
• M13: 16,957,367 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 12.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.16 AU - 4.94 AU

Year: 5435 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,776,084 km

• M1: 283,638 km (0.114 R)
• M2: 813,513 km (0.094 R)
• M3: 1,543,252 km (0.099 R)
• M4: 2,806,606 km (0.102 R)
• M5: 4,350,007 km (0.047 R)
• M6: 6,566,299 km (0.052 R)
• M7: 7,396,717 km (0.071 R)
• M8: 8,964,652 km (0.067 R)
• M9: 11,645,446 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 9.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.26 AU - 4.56 AU

Year: 6176 Days

Day: 8.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,776,084 km

• M1: 119,379 km (0.103 R)
• M2: 558,449 km (0.069 R)
• M3: 861,684 km (0.107 R)
• M4: 2,398,802 km (0.11 R)
• M5: 3,001,980 km (0.089 R)
• M6: 3,830,005 km (0.065 R)
• M7: 4,613,000 km (0.108 R)
• M8: 7,962,496 km (0.03 R)
• M9: 8,774,364 km (0.095 R)
• M10: 9,953,046 km (0.055 R)
• M11: 10,894,764 km (0.084 R)
• M12: 11,580,670 km (0.073 R)
• M13: 12,053,699 km (0.052 R)
• M14: 12,954,577 km (0.076 R)
• M15: 14,615,413 km (0.079 R)
• M16: 16,315,443 km (0.082 R)

Asteroid Belt

Center: 4.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.6

Radius: 13.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.28 AU - 6.84 AU

Year: 8743 Days

Day: 9 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,776,084 km

• M1: 167,849 km (0.098 R)
• M2: 718,818 km (0.107 R)
• M3: 1,241,214 km (0.054 R)
• M4: 2,127,581 km (0.093 R)
• M5: 3,604,411 km (0.095 R)
• M6: 4,468,189 km (0.028 R)
• M7: 5,255,074 km (0.101 R)
• M8: 6,034,030 km (0.103 R)
• M9: 6,572,134 km (0.038 R)
• M10: 8,629,254 km (0.059 R)
• M11: 9,095,999 km (0.048 R)
• M12: 10,267,051 km (0.115 R)
• M13: 12,367,705 km (0.073 R)
• M14: 17,137,334 km (0.099 R)
• M15: 18,990,851 km (0.097 R)
• M16: 20,522,135 km (0.098 R)
• M17: 21,433,485 km (0.105 R)
• M18: 22,850,626 km (0.116 R)
• M19: 23,582,309 km (0.101 R)
• M20: 25,609,959 km (0.117 R)
• M21: 26,222,562 km (0.11 R)
• M22: 28,490,914 km (0.052 R)
• M23: 31,084,642 km (0.05 R)
• M24: 31,782,068 km (0.037 R)
• M25: 34,357,993 km (0.087 R)
• M26: 35,642,740 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.5

Radius: 3.3

Gravity: 50.18 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.24 AU - 7.92 AU

Year: 11256 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,776,084 km

• M1: 41,439 km (0.083 R)
• M2: 190,588 km (0.115 R)
• M3: 316,699 km (0.03 R)
• M4: 512,074 km (0.051 R)
• M5: 856,897 km (0.083 R)
• M6: 1,029,682 km (0.073 R)
• M7: 1,237,623 km (0.079 R)
• M8: 1,557,613 km (0.117 R)
• M9: 2,049,192 km (0.113 R)
• M10: 2,455,948 km (0.102 R)
• M11: 2,720,138 km (0.115 R)
• M12: 3,730,672 km (0.103 R)
• M13: 4,024,632 km (0.112 R)
• M14: 4,598,339 km (0.032 R)
• M15: 5,765,053 km (0.054 R)
• M16: 6,267,702 km (0.063 R)
• M17: 6,721,432 km (0.105 R)
• M18: 8,663,811 km (0.095 R)
• M19: 11,607,000 km (0.117 R)
• M20: 14,303,202 km (0.086 R)
• M21: 15,153,516 km (0.092 R)
• M22: 16,175,868 km (0.077 R)
• M23: 18,508,697 km (0.114 R)
• M24: 19,834,733 km (0.05 R)
• M25: 21,643,072 km (0.038 R)
• M26: 21,812,716 km (0.102 R)
• M27: 22,500,268 km (0.117 R)
• M28: 22,937,094 km (0.054 R)
• M29: 23,379,754 km (0.097 R)
• M30: 23,737,891 km (0.048 R)
• M31: 26,059,500 km (0.079 R)
• M32: 26,541,355 km (0.055 R)
• M33: 29,557,547 km (0.025 R)
• M34: 41,771,465 km (0.093 R)
• M35: 42,830,170 km (0.032 R)
• M36: 47,672,503 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595

Radius: 5.6

Gravity: 18.97 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.47 AU - 10.49 AU

Year: 16467 Days

Day: 21.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,776,084 km

• M1: 70,161 km (0.065 R)
• M2: 685,308 km (0.113 R)
• M3: 1,077,105 km (0.105 R)
• M4: 1,423,723 km (0.079 R)
• M5: 1,623,436 km (0.104 R)
• M6: 3,995,909 km (0.111 R)
• M7: 4,301,687 km (0.074 R)
• M8: 5,422,773 km (0.109 R)
• M9: 10,045,497 km (0.086 R)
• M10: 11,078,620 km (0.103 R)
• M11: 11,559,876 km (0.113 R)
• M12: 14,960,685 km (0.069 R)
• M13: 15,326,302 km (0.109 R)
• M14: 18,384,980 km (0.089 R)
• M15: 21,271,920 km (0.096 R)
• M16: 22,108,770 km (0.11 R)
• M17: 22,582,995 km (0.114 R)
• M18: 27,705,376 km (0.1 R)
• M19: 29,609,308 km (0.101 R)
• M20: 31,718,489 km (0.101 R)
• M21: 31,958,892 km (0.11 R)
• M22: 32,687,284 km (0.105 R)
• M23: 40,873,878 km (0.069 R)
• M24: 43,483,763 km (0.119 R)
• M25: 43,780,415 km (0.109 R)
• M26: 46,977,621 km (0.116 R)
• M27: 47,603,688 km (0.101 R)
• M28: 48,235,440 km (0.111 R)
• M29: 63,204,502 km (0.057 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: 201 - 17,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit