🌌 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: 625.6

Radius: 12.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.59 AU - 0.87 AU

Year: 438 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,096,613 km

• M1: 159,172 km (0.062 R)
• M2: 761,752 km (0.08 R)
• M3: 1,222,663 km (0.101 R)
• M4: 1,710,502 km (0.086 R)
• M5: 2,474,947 km (0.103 R)
• M6: 3,048,954 km (0.033 R)
• M7: 3,551,902 km (0.048 R)
• M8: 4,354,794 km (0.091 R)
• M9: 4,755,417 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.5

Radius: 13.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.86 AU - 0.88 AU

Year: 570 Days

Day: 10 Hours

Environment

Temp: -162 °C

Axial Tilt: 131.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,096,613 km

• M1: 167,849 km (0.094 R)
• M2: 603,627 km (0.098 R)
• M3: 1,079,498 km (0.113 R)
• M4: 1,604,288 km (0.045 R)
• M5: 2,175,452 km (0.109 R)
• M6: 2,779,379 km (0.118 R)
• M7: 3,653,180 km (0.112 R)
• M8: 5,360,391 km (0.08 R)
• M9: 5,926,170 km (0.102 R)
• M10: 6,431,063 km (0.104 R)
• M11: 7,091,986 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482

Radius: 14.5

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.97 AU - 1.61 AU

Year: 1030 Days

Day: 14.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,096,613 km

• M1: 180,415 km (0.083 R)
• M2: 645,664 km (0.056 R)
• M3: 1,196,334 km (0.114 R)
• M4: 1,872,816 km (0.116 R)
• M5: 2,645,489 km (0.108 R)
• M6: 3,159,208 km (0.111 R)
• M7: 4,309,466 km (0.083 R)
• M8: 5,208,699 km (0.076 R)
• M9: 5,683,971 km (0.062 R)
• M10: 6,483,721 km (0.111 R)
• M11: 7,103,356 km (0.095 R)
• M12: 7,810,804 km (0.117 R)
• M13: 8,539,046 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.5

Radius: 12.6

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.77 AU - 1.79 AU

Year: 1669 Days

Day: 11.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,096,613 km

• M1: 157,078 km (0.07 R)
• M2: 565,330 km (0.103 R)
• M3: 1,246,449 km (0.055 R)
• M4: 1,738,327 km (0.108 R)
• M5: 2,141,194 km (0.116 R)
• M6: 3,110,140 km (0.103 R)
• M7: 4,488,834 km (0.116 R)
• M8: 5,000,758 km (0.093 R)
• M9: 6,142,638 km (0.12 R)
• M10: 7,936,017 km (0.094 R)
• M11: 8,441,957 km (0.119 R)
• M12: 9,001,005 km (0.086 R)
• M13: 9,818,407 km (0.097 R)
• M14: 10,720,483 km (0.094 R)
• M15: 11,790,855 km (0.081 R)
• M16: 13,972,142 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.5

Radius: 8.3

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2 AU - 2.82 AU

Year: 2630 Days

Day: 8.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,096,613 km

• M1: 103,223 km (0.053 R)
• M2: 399,127 km (0.086 R)
• M3: 664,065 km (0.111 R)
• M4: 944,711 km (0.106 R)
• M5: 1,453,044 km (0.056 R)
• M6: 2,041,263 km (0.109 R)
• M7: 2,943,338 km (0.073 R)
• M8: 3,455,860 km (0.118 R)
• M9: 4,237,659 km (0.082 R)
• M10: 4,751,079 km (0.076 R)
• M11: 6,092,224 km (0.114 R)
• M12: 6,629,579 km (0.102 R)
• M13: 7,106,198 km (0.037 R)
• M14: 8,296,100 km (0.069 R)
• M15: 8,674,133 km (0.049 R)
• M16: 9,135,792 km (0.11 R)
• M17: 9,839,800 km (0.114 R)
• M18: 11,736,402 km (0.051 R)
• M19: 12,169,338 km (0.099 R)
• M20: 12,793,311 km (0.096 R)
• M21: 13,205,602 km (0.119 R)
• M22: 14,153,455 km (0.093 R)
• M23: 14,843,550 km (0.057 R)
• M24: 17,943,217 km (0.09 R)
• M25: 18,402,034 km (0.101 R)
• M26: 21,321,586 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.4

Radius: 14.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.91 AU - 4.67 AU

Year: 6246 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,096,613 km

• M1: 183,257 km (0.068 R)
• M2: 818,899 km (0.092 R)
• M3: 1,636,750 km (0.093 R)
• M4: 2,459,539 km (0.066 R)
• M5: 4,473,126 km (0.083 R)
• M6: 5,361,139 km (0.045 R)
• M7: 7,349,145 km (0.112 R)
• M8: 8,097,733 km (0.09 R)
• M9: 8,779,450 km (0.113 R)
• M10: 10,696,996 km (0.117 R)
• M11: 14,184,122 km (0.103 R)
• M12: 15,346,198 km (0.074 R)
• M13: 16,570,807 km (0.055 R)
• M14: 18,303,748 km (0.118 R)
• M15: 18,885,534 km (0.11 R)
• M16: 19,613,478 km (0.116 R)
• M17: 21,479,711 km (0.099 R)
• M18: 22,862,295 km (0.084 R)
• M19: 24,770,715 km (0.071 R)
• M20: 27,032,036 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.9

Radius: 4.2

Gravity: 46.59 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.7 AU - 6.84 AU

Year: 9743 Days

Day: 24.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,096,613 km

• M1: 52,359 km (0.071 R)
• M2: 320,289 km (0.116 R)
• M3: 1,058,555 km (0.034 R)
• M4: 1,570,927 km (0.107 R)
• M5: 2,346,592 km (0.092 R)
• M6: 2,585,051 km (0.072 R)
• M7: 2,752,900 km (0.108 R)
• M8: 3,398,714 km (0.107 R)
• M9: 3,626,252 km (0.064 R)
• M10: 5,015,269 km (0.075 R)
• M11: 6,007,402 km (0.048 R)
• M12: 6,415,953 km (0.112 R)
• M13: 17,425,010 km (0.118 R)
• M14: 20,728,580 km (0.089 R)
• M15: 21,829,920 km (0.103 R)
• M16: 22,969,706 km (0.113 R)
• M17: 23,148,475 km (0.081 R)
• M18: 23,964,681 km (0.119 R)
• M19: 24,148,687 km (0.025 R)
• M20: 31,746,763 km (0.05 R)
• M21: 47,259,763 km (0.078 R)
• M22: 47,549,085 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.1

Radius: 5.2

Gravity: 26.08 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.75 AU - 7.89 AU

Year: 11168 Days

Day: 21.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,096,613 km

• M1: 64,776 km (0.108 R)
• M2: 281,842 km (0.101 R)
• M3: 546,481 km (0.065 R)
• M4: 907,311 km (0.113 R)
• M5: 1,219,223 km (0.094 R)
• M6: 1,690,905 km (0.085 R)
• M7: 2,091,677 km (0.075 R)
• M8: 2,432,013 km (0.071 R)
• M9: 4,347,613 km (0.108 R)
• M10: 4,965,901 km (0.056 R)
• M11: 5,536,019 km (0.073 R)
• M12: 5,891,164 km (0.056 R)
• M13: 7,254,898 km (0.081 R)
• M14: 7,593,887 km (0.113 R)
• M15: 11,359,864 km (0.069 R)
• M16: 12,951,585 km (0.077 R)
• M17: 13,961,820 km (0.096 R)
• M18: 14,686,173 km (0.104 R)
• M19: 18,064,990 km (0.116 R)
• M20: 18,924,579 km (0.046 R)
• M21: 22,280,060 km (0.106 R)
• M22: 22,546,643 km (0.048 R)
• M23: 29,601,379 km (0.032 R)
• M24: 30,031,473 km (0.087 R)
• M25: 31,681,687 km (0.084 R)
• M26: 33,623,917 km (0.075 R)
• M27: 37,242,390 km (0.109 R)
• M28: 39,924,231 km (0.105 R)
• M29: 40,186,326 km (0.105 R)
• M30: 41,112,038 km (0.081 R)
• M31: 43,281,506 km (0.111 R)
• M32: 44,675,609 km (0.118 R)
• M33: 49,337,228 km (0.118 R)
• M34: 50,551,215 km (0.034 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 12,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit