🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 9.4

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.85 AU - 1.03 AU

Year: 598 Days

Day: 5.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,976,215 km

• M1: 116,836 km (0.086 R)
• M2: 478,264 km (0.085 R)
• M3: 781,798 km (0.032 R)
• M4: 1,394,103 km (0.108 R)
• M5: 1,874,312 km (0.115 R)
• M6: 2,180,838 km (0.094 R)
• M7: 2,491,403 km (0.106 R)
• M8: 2,929,725 km (0.082 R)
• M9: 3,285,618 km (0.08 R)
• M10: 3,644,803 km (0.086 R)
• M11: 3,988,878 km (0.099 R)
• M12: 4,560,940 km (0.053 R)
• M13: 5,057,306 km (0.06 R)
• M14: 5,868,724 km (0.088 R)
• M15: 6,287,299 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.7

Radius: 12.1

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.1 AU - 1.26 AU

Year: 841 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,976,215 km

• M1: 150,495 km (0.071 R)
• M2: 561,740 km (0.111 R)
• M3: 1,026,241 km (0.119 R)
• M4: 1,405,023 km (0.104 R)
• M5: 1,824,047 km (0.042 R)
• M6: 2,371,276 km (0.115 R)
• M7: 3,079,622 km (0.109 R)
• M8: 4,436,175 km (0.044 R)
• M9: 5,010,930 km (0.091 R)
• M10: 5,454,189 km (0.065 R)
• M11: 6,029,393 km (0.104 R)
• M12: 7,447,580 km (0.069 R)
• M13: 8,130,495 km (0.1 R)
• M14: 8,993,525 km (0.078 R)
• M15: 9,680,029 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 14.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.5 AU - 2.52 AU

Year: 2609 Days

Day: 12.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,976,215 km

• M1: 177,872 km (0.027 R)
• M2: 628,161 km (0.116 R)
• M3: 1,100,592 km (0.055 R)
• M4: 1,683,126 km (0.079 R)
• M5: 2,163,784 km (0.11 R)
• M6: 2,655,213 km (0.035 R)
• M7: 3,509,716 km (0.066 R)
• M8: 4,176,623 km (0.084 R)
• M9: 4,927,155 km (0.115 R)
• M10: 5,696,388 km (0.1 R)
• M11: 6,171,211 km (0.117 R)
• M12: 6,621,202 km (0.042 R)
• M13: 8,046,421 km (0.04 R)
• M14: 8,862,926 km (0.115 R)
• M15: 10,311,332 km (0.049 R)
• M16: 10,768,055 km (0.076 R)
• M17: 11,238,390 km (0.084 R)
• M18: 11,684,790 km (0.078 R)
• M19: 13,631,956 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.4

Radius: 14.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.98 AU - 4.14 AU

Year: 4406 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,976,215 km

• M1: 180,415 km (0.093 R)
• M2: 632,949 km (0.114 R)
• M3: 1,653,804 km (0.056 R)
• M4: 2,659,102 km (0.09 R)
• M5: 3,194,513 km (0.091 R)
• M6: 4,312,607 km (0.12 R)
• M7: 4,962,760 km (0.091 R)
• M8: 5,575,213 km (0.113 R)
• M9: 7,253,552 km (0.098 R)
• M10: 7,849,550 km (0.086 R)
• M11: 8,787,678 km (0.088 R)
• M12: 9,950,054 km (0.102 R)
• M13: 14,198,783 km (0.077 R)
• M14: 15,387,039 km (0.074 R)
• M15: 16,268,170 km (0.061 R)
• M16: 17,347,519 km (0.1 R)
• M17: 19,350,784 km (0.108 R)
• M18: 19,829,497 km (0.048 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.3

Radius: 6.9

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.5 AU - 9.48 AU

Year: 14816 Days

Day: 22.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,976,215 km

• M1: 86,318 km (0.091 R)
• M2: 493,224 km (0.108 R)
• M3: 712,834 km (0.075 R)
• M4: 1,032,824 km (0.111 R)
• M5: 1,518,119 km (0.067 R)
• M6: 2,498,284 km (0.1 R)
• M7: 2,754,396 km (0.072 R)
• M8: 3,075,134 km (0.085 R)
• M9: 3,446,436 km (0.048 R)
• M10: 3,874,884 km (0.094 R)
• M11: 4,490,629 km (0.114 R)
• M12: 5,695,191 km (0.08 R)
• M13: 9,469,396 km (0.092 R)
• M14: 10,691,909 km (0.112 R)
• M15: 11,485,676 km (0.072 R)
• M16: 12,440,110 km (0.071 R)
• M17: 17,167,552 km (0.066 R)
• M18: 18,573,024 km (0.094 R)
• M19: 22,784,803 km (0.119 R)
• M20: 23,154,459 km (0.102 R)
• M21: 28,757,348 km (0.071 R)
• M22: 31,985,521 km (0.081 R)
• M23: 33,034,501 km (0.087 R)
• M24: 34,106,220 km (0.118 R)
• M25: 36,823,366 km (0.119 R)
• M26: 39,548,441 km (0.052 R)
• M27: 43,954,846 km (0.05 R)
• M28: 46,423,660 km (0.112 R)
• M29: 51,003,300 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.8

Radius: 4.5

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.96 AU - 10.52 AU

Year: 18425 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 147.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,976,215 km

• M1: 56,548 km (0.034 R)
• M2: 621,430 km (0.086 R)
• M3: 969,843 km (0.104 R)
• M4: 1,315,414 km (0.037 R)
• M5: 2,008,351 km (0.104 R)
• M6: 2,895,018 km (0.079 R)
• M7: 6,312,731 km (0.114 R)
• M8: 7,538,985 km (0.11 R)
• M9: 9,111,408 km (0.053 R)
• M10: 11,001,128 km (0.113 R)
• M11: 12,276,151 km (0.12 R)
• M12: 19,983,882 km (0.048 R)
• M13: 20,234,758 km (0.085 R)
• M14: 21,784,143 km (0.067 R)
• M15: 28,667,739 km (0.032 R)
• M16: 35,386,479 km (0.037 R)
• M17: 39,829,535 km (0.094 R)
• M18: 40,760,782 km (0.102 R)
• M19: 42,528,281 km (0.111 R)
• M20: 44,488,163 km (0.117 R)
• M21: 44,630,430 km (0.087 R)
• M22: 45,059,028 km (0.067 R)
• M23: 49,497,148 km (0.101 R)
• M24: 52,930,868 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.9

Radius: 4.6

Gravity: 42.01 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.06 AU - 12.16 AU

Year: 21088 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,976,215 km

• M1: 57,296 km (0.104 R)
• M2: 245,939 km (0.11 R)
• M3: 486,791 km (0.111 R)
• M4: 765,343 km (0.049 R)
• M5: 1,062,145 km (0.091 R)
• M6: 1,549,984 km (0.119 R)
• M7: 2,174,405 km (0.066 R)
• M8: 2,330,884 km (0.096 R)
• M9: 2,691,864 km (0.088 R)
• M10: 3,678,163 km (0.093 R)
• M11: 4,661,021 km (0.07 R)
• M12: 4,884,370 km (0.115 R)
• M13: 6,422,835 km (0.104 R)
• M14: 8,864,123 km (0.066 R)
• M15: 9,678,384 km (0.098 R)
• M16: 11,254,547 km (0.104 R)
• M17: 11,656,816 km (0.083 R)
• M18: 16,562,279 km (0.106 R)
• M19: 17,346,621 km (0.092 R)
• M20: 18,064,541 km (0.047 R)
• M21: 19,463,431 km (0.082 R)
• M22: 22,369,818 km (0.067 R)
• M23: 26,598,950 km (0.058 R)
• M24: 30,549,381 km (0.073 R)
• M25: 32,799,034 km (0.12 R)
• M26: 33,894,988 km (0.07 R)
• M27: 39,282,007 km (0.044 R)
• M28: 53,570,698 km (0.034 R)
• M29: 55,280,452 km (0.089 R)
• M30: 66,743,389 km (0.076 R)
• M31: 69,389,925 km (0.072 R)
• M32: 73,026,350 km (0.069 R)
• M33: 73,954,904 km (0.109 R)
• M34: 80,429,350 km (0.087 R)
• M35: 83,677,270 km (0.091 R)
• M36: 84,184,556 km (0.098 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 13,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit