🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.9

Radius: 12.4

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.54 AU - 0.6 AU

Year: 287 Days

Day: 9.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,830,816 km

• M1: 154,235 km (0.111 R)
• M2: 545,883 km (0.036 R)
• M3: 1,166,115 km (0.096 R)
• M4: 1,577,210 km (0.057 R)
• M5: 2,142,690 km (0.076 R)
• M6: 2,811,692 km (0.116 R)
• M7: 3,201,394 km (0.079 R)
• M8: 3,639,417 km (0.079 R)
• M9: 4,486,141 km (0.108 R)
• M10: 4,906,062 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 10.3

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.43 AU - 0.71 AU

Year: 287 Days

Day: 8.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,830,816 km

• M1: 128,056 km (0.058 R)
• M2: 594,352 km (0.082 R)
• M3: 958,474 km (0.111 R)
• M4: 1,399,338 km (0.08 R)
• M5: 1,908,420 km (0.113 R)
• M6: 2,243,370 km (0.116 R)
• M7: 2,653,866 km (0.114 R)
• M8: 2,994,351 km (0.049 R)
• M9: 3,560,579 km (0.047 R)
• M10: 4,450,985 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.1

Radius: 8.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.07 AU - 1.57 AU

Year: 1011 Days

Day: 11.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,830,816 km

• M1: 124,615 km (0.072 R)
• M2: 414,835 km (0.096 R)
• M3: 827,276 km (0.09 R)
• M4: 1,259,464 km (0.093 R)
• M5: 1,546,244 km (0.091 R)
• M6: 2,051,735 km (0.075 R)
• M7: 2,725,823 km (0.077 R)
• M8: 3,097,574 km (0.063 R)
• M9: 3,441,200 km (0.042 R)
• M10: 3,849,752 km (0.112 R)
• M11: 4,733,725 km (0.111 R)
• M12: 5,256,570 km (0.116 R)
• M13: 5,887,873 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.1

Radius: 9.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.92 AU - 2.28 AU

Year: 2029 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,830,816 km

• M1: 120,576 km (0.087 R)
• M2: 536,608 km (0.064 R)
• M3: 941,868 km (0.091 R)
• M4: 1,308,981 km (0.11 R)
• M5: 1,870,422 km (0.067 R)
• M6: 2,522,818 km (0.096 R)
• M7: 3,215,457 km (0.103 R)
• M8: 4,857,592 km (0.109 R)
• M9: 5,218,722 km (0.045 R)
• M10: 5,554,868 km (0.078 R)
• M11: 6,822,411 km (0.12 R)
• M12: 7,199,398 km (0.069 R)
• M13: 7,804,371 km (0.067 R)
• M14: 9,115,896 km (0.092 R)
• M15: 12,316,841 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 8.4

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.12 AU - 2.26 AU

Year: 2161 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,830,816 km

• M1: 104,868 km (0.075 R)
• M2: 366,964 km (0.093 R)
• M3: 1,045,390 km (0.081 R)
• M4: 1,629,420 km (0.097 R)
• M5: 1,971,700 km (0.061 R)
• M6: 2,456,547 km (0.109 R)
• M7: 2,772,348 km (0.106 R)
• M8: 3,867,703 km (0.084 R)
• M9: 4,297,049 km (0.079 R)
• M10: 4,889,158 km (0.08 R)
• M11: 5,534,523 km (0.061 R)
• M12: 12,221,996 km (0.114 R)
• M13: 12,805,428 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.8

Radius: 11.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.29 AU - 3.01 AU

Year: 2877 Days

Day: 7.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,830,816 km

• M1: 143,016 km (0.044 R)
• M2: 674,836 km (0.085 R)
• M3: 1,047,185 km (0.113 R)
• M4: 1,494,034 km (0.031 R)
• M5: 1,984,416 km (0.092 R)
• M6: 2,469,262 km (0.058 R)
• M7: 2,891,727 km (0.09 R)
• M8: 3,294,444 km (0.034 R)
• M9: 4,585,025 km (0.113 R)
• M10: 5,228,146 km (0.092 R)
• M11: 6,291,638 km (0.055 R)
• M12: 6,916,957 km (0.082 R)
• M13: 7,405,394 km (0.115 R)
• M14: 8,134,235 km (0.056 R)
• M15: 9,558,855 km (0.08 R)
• M16: 12,768,926 km (0.101 R)
• M17: 14,133,109 km (0.038 R)
• M18: 14,546,897 km (0.085 R)
• M19: 15,689,675 km (0.087 R)
• M20: 16,789,070 km (0.097 R)
• M21: 17,305,482 km (0.087 R)
• M22: 17,832,515 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 10

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.27 AU - 7.09 AU

Year: 9027 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,830,816 km

• M1: 124,615 km (0.095 R)
• M2: 581,337 km (0.043 R)
• M3: 988,393 km (0.103 R)
• M4: 1,395,000 km (0.08 R)
• M5: 2,117,408 km (0.113 R)
• M6: 2,462,381 km (0.101 R)
• M7: 2,926,134 km (0.05 R)
• M8: 3,779,590 km (0.095 R)
• M9: 4,185,449 km (0.093 R)
• M10: 4,508,730 km (0.104 R)
• M11: 7,933,624 km (0.104 R)
• M12: 8,473,373 km (0.094 R)
• M13: 9,306,334 km (0.102 R)
• M14: 9,812,872 km (0.072 R)
• M15: 11,864,906 km (0.094 R)
• M16: 12,296,347 km (0.078 R)
• M17: 13,830,323 km (0.092 R)
• M18: 15,234,449 km (0.055 R)
• M19: 15,938,606 km (0.051 R)
• M20: 16,866,113 km (0.061 R)
• M21: 18,901,093 km (0.117 R)
• M22: 21,330,861 km (0.091 R)
• M23: 22,293,374 km (0.087 R)
• M24: 23,961,689 km (0.077 R)
• M25: 25,711,685 km (0.102 R)
• M26: 27,922,143 km (0.104 R)
• M27: 29,660,919 km (0.098 R)
• M28: 30,557,011 km (0.032 R)
• M29: 31,779,524 km (0.114 R)
• M30: 38,035,408 km (0.076 R)

Asteroid Belt

Center: 6.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.6

Radius: 5.5

Gravity: 32.68 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.28 AU - 6.48 AU

Year: 10746 Days

Day: 21.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,830,816 km

• M1: 68,366 km (0.089 R)
• M2: 305,329 km (0.078 R)
• M3: 482,902 km (0.11 R)
• M4: 672,742 km (0.028 R)
• M5: 1,054,515 km (0.116 R)
• M6: 1,274,873 km (0.048 R)
• M7: 1,859,502 km (0.049 R)
• M8: 2,126,833 km (0.085 R)
• M9: 2,806,007 km (0.102 R)
• M10: 3,673,974 km (0.095 R)
• M11: 3,895,229 km (0.109 R)
• M12: 5,070,321 km (0.048 R)
• M13: 5,961,625 km (0.105 R)
• M14: 7,163,644 km (0.105 R)
• M15: 10,747,261 km (0.061 R)
• M16: 11,549,255 km (0.105 R)
• M17: 14,397,299 km (0.097 R)
• M18: 24,594,339 km (0.106 R)
• M19: 28,913,379 km (0.09 R)
• M20: 30,683,421 km (0.089 R)
• M21: 34,437,729 km (0.083 R)
• M22: 49,043,119 km (0.079 R)
• M23: 52,356,113 km (0.037 R)
• M24: 53,329,397 km (0.067 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 14,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit