🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 13.4

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.51 AU - 0.55 AU

Year: 271 Days

Day: 5.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,473,805 km

• M1: 166,652 km (0.081 R)
• M2: 601,982 km (0.082 R)
• M3: 1,157,439 km (0.111 R)
• M4: 1,804,001 km (0.094 R)
• M5: 2,370,677 km (0.045 R)
• M6: 3,045,364 km (0.083 R)
• M7: 3,987,382 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 11.8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.74 AU - 1.04 AU

Year: 590 Days

Day: 12.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,473,805 km

• M1: 146,905 km (0.085 R)
• M2: 514,467 km (0.118 R)
• M3: 902,823 km (0.099 R)
• M4: 1,354,160 km (0.08 R)
• M5: 2,406,282 km (0.097 R)
• M6: 2,933,614 km (0.076 R)
• M7: 3,557,587 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.2

Radius: 12.9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.41 AU - 3.25 AU

Year: 3346 Days

Day: 6.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,473,805 km

• M1: 160,369 km (0.051 R)
• M2: 710,590 km (0.077 R)
• M3: 1,745,658 km (0.087 R)
• M4: 3,340,221 km (0.068 R)
• M5: 4,063,677 km (0.12 R)
• M6: 4,744,197 km (0.089 R)
• M7: 5,231,886 km (0.029 R)
• M8: 5,918,391 km (0.033 R)
• M9: 7,812,599 km (0.078 R)
• M10: 10,677,099 km (0.085 R)
• M11: 11,556,136 km (0.114 R)
• M12: 12,641,918 km (0.05 R)
• M13: 13,209,791 km (0.09 R)
• M14: 14,309,635 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.1

Radius: 9.8

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.12 AU - 3.2 AU

Year: 3949 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,473,805 km

• M1: 122,670 km (0.105 R)
• M2: 479,461 km (0.07 R)
• M3: 827,426 km (0.063 R)
• M4: 1,135,448 km (0.067 R)
• M5: 1,522,308 km (0.083 R)
• M6: 2,946,330 km (0.085 R)
• M7: 3,903,158 km (0.063 R)
• M8: 4,873,899 km (0.084 R)
• M9: 6,296,874 km (0.092 R)
• M10: 6,924,437 km (0.098 R)
• M11: 7,978,802 km (0.088 R)
• M12: 8,525,882 km (0.044 R)
• M13: 9,254,573 km (0.082 R)
• M14: 12,158,717 km (0.099 R)
• M15: 13,998,621 km (0.111 R)
• M16: 14,740,925 km (0.053 R)
• M17: 17,729,292 km (0.044 R)
• M18: 19,235,893 km (0.089 R)
• M19: 19,690,969 km (0.117 R)
• M20: 21,723,256 km (0.095 R)
• M21: 23,153,262 km (0.114 R)
• M22: 23,742,528 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 10.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.96 AU - 4.44 AU

Year: 6050 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,473,805 km

• M1: 130,599 km (0.118 R)
• M2: 458,218 km (0.068 R)
• M3: 928,404 km (0.104 R)
• M4: 1,386,623 km (0.102 R)
• M5: 1,937,741 km (0.113 R)
• M6: 2,699,344 km (0.071 R)
• M7: 3,044,167 km (0.097 R)
• M8: 4,026,875 km (0.115 R)
• M9: 5,516,421 km (0.052 R)
• M10: 7,344,059 km (0.09 R)
• M11: 8,395,433 km (0.096 R)
• M12: 10,221,574 km (0.054 R)
• M13: 10,616,362 km (0.119 R)
• M14: 13,358,342 km (0.084 R)
• M15: 13,830,772 km (0.102 R)
• M16: 15,372,079 km (0.068 R)
• M17: 18,275,773 km (0.111 R)
• M18: 20,403,205 km (0.031 R)
• M19: 21,030,169 km (0.108 R)
• M20: 23,363,747 km (0.032 R)
• M21: 27,769,404 km (0.086 R)
• M22: 28,626,001 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.2

Radius: 5.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.2 AU - 8.74 AU

Year: 14351 Days

Day: 23.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,473,805 km

• M1: 224,247 km (0.074 R)
• M2: 504,294 km (0.093 R)
• M3: 803,789 km (0.101 R)
• M4: 1,227,151 km (0.112 R)
• M5: 1,723,068 km (0.11 R)
• M6: 3,064,961 km (0.049 R)
• M7: 3,593,191 km (0.094 R)
• M8: 6,874,172 km (0.081 R)
• M9: 9,109,613 km (0.104 R)
• M10: 18,118,696 km (0.052 R)
• M11: 21,998,068 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.9

Radius: 7

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.44 AU - 9.32 AU

Year: 18601 Days

Day: 19.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,473,805 km

• M1: 87,066 km (0.088 R)
• M2: 326,572 km (0.113 R)
• M3: 654,640 km (0.114 R)
• M4: 1,209,349 km (0.062 R)
• M5: 2,122,495 km (0.119 R)
• M6: 2,845,800 km (0.111 R)
• M7: 3,844,067 km (0.047 R)
• M8: 5,752,487 km (0.103 R)
• M9: 6,910,973 km (0.062 R)
• M10: 7,617,972 km (0.1 R)
• M11: 8,687,448 km (0.108 R)
• M12: 9,065,332 km (0.09 R)
• M13: 10,625,937 km (0.094 R)
• M14: 11,502,131 km (0.091 R)
• M15: 12,629,501 km (0.088 R)
• M16: 14,121,740 km (0.094 R)
• M17: 14,872,123 km (0.041 R)
• M18: 23,272,043 km (0.068 R)
• M19: 25,176,723 km (0.084 R)
• M20: 26,502,759 km (0.113 R)
• M21: 29,898,481 km (0.093 R)
• M22: 38,685,112 km (0.119 R)
• M23: 40,747,169 km (0.09 R)
• M24: 45,571,700 km (0.101 R)
• M25: 51,111,459 km (0.108 R)
• M26: 51,988,252 km (0.08 R)
• M27: 53,952,173 km (0.089 R)
• M28: 55,965,012 km (0.1 R)
• M29: 56,896,259 km (0.11 R)
• M30: 57,271,750 km (0.099 R)
• M31: 58,789,869 km (0.088 R)
• M32: 60,920,741 km (0.067 R)
• M33: 63,908,809 km (0.112 R)
• M34: 67,411,643 km (0.06 R)
• M35: 72,571,722 km (0.098 R)
• M36: 72,792,379 km (0.052 R)
• M37: 73,901,797 km (0.182 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 12,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit