🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.5

Radius: 14.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.81 AU - 0.89 AU

Year: 541 Days

Day: 12.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,402,167 km

• M1: 182,809 km (0.057 R)
• M2: 653,144 km (0.117 R)
• M3: 1,158,935 km (0.109 R)
• M4: 1,827,338 km (0.054 R)
• M5: 2,670,172 km (0.065 R)
• M6: 3,144,846 km (0.085 R)
• M7: 4,442,608 km (0.101 R)
• M8: 5,100,539 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.5

Radius: 11

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.71 AU - 1.03 AU

Year: 560 Days

Day: 9.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,402,167 km

• M1: 136,732 km (0.094 R)
• M2: 547,678 km (0.089 R)
• M3: 913,145 km (0.034 R)
• M4: 1,337,255 km (0.105 R)
• M5: 1,854,714 km (0.076 R)
• M6: 2,336,569 km (0.114 R)
• M7: 2,787,457 km (0.068 R)
• M8: 3,149,484 km (0.049 R)
• M9: 4,387,706 km (0.113 R)
• M10: 5,032,472 km (0.059 R)
• M11: 5,606,031 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 14

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.95 AU - 1.27 AU

Year: 807 Days

Day: 9.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,402,167 km

• M1: 174,132 km (0.117 R)
• M2: 655,837 km (0.094 R)
• M3: 1,498,821 km (0.101 R)
• M4: 2,071,482 km (0.077 R)
• M5: 2,756,042 km (0.098 R)
• M6: 3,470,671 km (0.094 R)
• M7: 3,971,225 km (0.118 R)
• M8: 4,660,871 km (0.081 R)
• M9: 5,752,637 km (0.102 R)
• M10: 6,698,693 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.4

Radius: 14.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.23 AU - 1.81 AU

Year: 1294 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,402,167 km

• M1: 185,352 km (0.093 R)
• M2: 693,835 km (0.101 R)
• M3: 1,224,907 km (0.038 R)
• M4: 2,133,266 km (0.098 R)
• M5: 2,774,442 km (0.067 R)
• M6: 3,348,300 km (0.109 R)
• M7: 4,350,904 km (0.117 R)
• M8: 5,186,558 km (0.107 R)
• M9: 5,921,981 km (0.09 R)
• M10: 6,400,395 km (0.077 R)
• M11: 7,040,525 km (0.115 R)
• M12: 7,650,585 km (0.1 R)
• M13: 8,168,941 km (0.034 R)
• M14: 8,658,126 km (0.092 R)
• M15: 9,276,564 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 8.3

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.63 AU - 2.05 AU

Year: 1723 Days

Day: 6.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,402,167 km

• M1: 103,223 km (0.042 R)
• M2: 663,915 km (0.074 R)
• M3: 1,037,760 km (0.106 R)
• M4: 1,530,237 km (0.092 R)
• M5: 1,852,321 km (0.057 R)
• M6: 2,243,968 km (0.115 R)
• M7: 3,241,636 km (0.056 R)
• M8: 3,993,366 km (0.04 R)
• M9: 4,351,952 km (0.109 R)
• M10: 4,983,105 km (0.09 R)
• M11: 5,744,109 km (0.081 R)
• M12: 6,251,545 km (0.052 R)
• M13: 7,495,452 km (0.105 R)
• M14: 8,865,170 km (0.096 R)
• M15: 10,929,172 km (0.102 R)
• M16: 12,208,981 km (0.096 R)
• M17: 13,502,105 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.5

Radius: 14.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.66 AU - 3.32 AU

Year: 3569 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,402,167 km

• M1: 177,124 km (0.074 R)
• M2: 887,714 km (0.115 R)
• M3: 1,849,927 km (0.111 R)
• M4: 2,366,339 km (0.116 R)
• M5: 3,961,501 km (0.088 R)
• M6: 6,361,051 km (0.096 R)
• M7: 6,980,835 km (0.09 R)
• M8: 8,282,037 km (0.105 R)
• M9: 9,639,339 km (0.077 R)
• M10: 10,777,928 km (0.073 R)
• M11: 11,250,508 km (0.099 R)
• M12: 12,237,106 km (0.104 R)
• M13: 14,296,021 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.4

Radius: 9.4

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.4 AU - 3.88 AU

Year: 3841 Days

Day: 8.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,402,167 km

• M1: 116,986 km (0.086 R)
• M2: 568,622 km (0.091 R)
• M3: 888,611 km (0.053 R)
• M4: 1,215,782 km (0.072 R)
• M5: 1,682,976 km (0.029 R)
• M6: 1,999,525 km (0.054 R)
• M7: 2,688,274 km (0.077 R)
• M8: 3,088,149 km (0.068 R)
• M9: 3,408,887 km (0.052 R)
• M10: 5,126,121 km (0.041 R)
• M11: 5,688,160 km (0.087 R)
• M12: 6,967,072 km (0.082 R)
• M13: 7,422,149 km (0.083 R)
• M14: 7,896,972 km (0.104 R)
• M15: 8,537,102 km (0.05 R)
• M16: 9,601,042 km (0.096 R)
• M17: 12,175,172 km (0.106 R)
• M18: 13,720,967 km (0.102 R)
• M19: 14,963,228 km (0.063 R)
• M20: 16,054,544 km (0.103 R)
• M21: 16,392,037 km (0.107 R)
• M22: 18,826,593 km (0.085 R)
• M23: 20,162,502 km (0.108 R)
• M24: 21,696,927 km (0.111 R)
• M25: 24,105,752 km (0.089 R)
• M26: 25,072,154 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.5

Radius: 11.9

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.37 AU - 5.37 AU

Year: 7418 Days

Day: 14.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,402,167 km

• M1: 147,952 km (0.112 R)
• M2: 629,807 km (0.11 R)
• M3: 1,297,612 km (0.119 R)
• M4: 3,003,476 km (0.101 R)
• M5: 3,900,764 km (0.062 R)
• M6: 4,938,974 km (0.108 R)
• M7: 6,050,336 km (0.109 R)
• M8: 6,503,319 km (0.099 R)
• M9: 7,054,138 km (0.111 R)
• M10: 8,375,835 km (0.062 R)
• M11: 9,951,250 km (0.057 R)
• M12: 15,467,821 km (0.105 R)
• M13: 16,184,844 km (0.11 R)
• M14: 17,129,255 km (0.03 R)
• M15: 17,615,149 km (0.059 R)
• M16: 22,658,692 km (0.079 R)
• M17: 24,098,721 km (0.097 R)
• M18: 27,442,533 km (0.082 R)
• M19: 31,392,515 km (0.108 R)
• M20: 33,610,902 km (0.096 R)
• M21: 34,044,885 km (0.056 R)
• M22: 39,429,960 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.5

Radius: 7.5

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.94 AU - 9.38 AU

Year: 17591 Days

Day: 22.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,402,167 km

• M1: 113,694 km (0.097 R)
• M2: 349,161 km (0.09 R)
• M3: 1,287,140 km (0.106 R)
• M4: 1,563,896 km (0.07 R)
• M5: 2,064,002 km (0.039 R)
• M6: 2,300,217 km (0.038 R)
• M7: 2,757,687 km (0.106 R)
• M8: 3,353,386 km (0.12 R)
• M9: 4,001,743 km (0.047 R)
• M10: 7,773,853 km (0.091 R)
• M11: 8,802,189 km (0.111 R)
• M12: 10,141,240 km (0.052 R)
• M13: 12,236,657 km (0.062 R)
• M14: 17,343,180 km (0.096 R)
• M15: 18,327,086 km (0.081 R)
• M16: 18,663,232 km (0.105 R)
• M17: 19,960,245 km (0.101 R)
• M18: 23,121,099 km (0.083 R)
• M19: 23,810,895 km (0.085 R)
• M20: 24,717,907 km (0.072 R)
• M21: 31,003,860 km (0.109 R)
• M22: 39,521,214 km (0.086 R)
• M23: 40,648,883 km (0.045 R)
• M24: 45,375,129 km (0.063 R)
• M25: 56,786,005 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438

Radius: 5.5

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.04 AU - 11.36 AU

Year: 20853 Days

Day: 16.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,402,167 km

• M1: 68,516 km (0.105 R)
• M2: 454,628 km (0.078 R)
• M3: 719,117 km (0.067 R)
• M4: 976,126 km (0.119 R)
• M5: 1,279,361 km (0.117 R)
• M6: 1,676,843 km (0.081 R)
• M7: 2,153,013 km (0.051 R)
• M8: 2,881,704 km (0.114 R)
• M9: 3,851,397 km (0.119 R)
• M10: 4,442,758 km (0.05 R)
• M11: 4,846,223 km (0.086 R)
• M12: 5,765,203 km (0.07 R)
• M13: 6,122,742 km (0.101 R)
• M14: 6,327,691 km (0.044 R)
• M15: 6,537,277 km (0.104 R)
• M16: 7,608,398 km (0.095 R)
• M17: 9,373,204 km (0.08 R)
• M18: 12,669,892 km (0.074 R)
• M19: 13,618,044 km (0.116 R)
• M20: 13,967,804 km (0.083 R)
• M21: 14,467,610 km (0.091 R)
• M22: 16,115,879 km (0.037 R)
• M23: 21,053,956 km (0.085 R)
• M24: 21,333,853 km (0.063 R)
• M25: 26,913,555 km (0.053 R)
• M26: 27,243,119 km (0.08 R)
• M27: 27,575,525 km (0.115 R)
• M28: 32,889,840 km (0.059 R)
• M29: 34,156,934 km (0.029 R)
• M30: 35,324,844 km (0.06 R)
• M31: 36,385,045 km (0.095 R)
• M32: 36,653,423 km (0.12 R)
• M33: 38,708,299 km (0.059 R)
• M34: 42,896,441 km (0.05 R)
• M35: 43,195,936 km (0.12 R)
• M36: 48,018,224 km (0.078 R)
• M37: 48,828,147 km (0.078 R)
• M38: 59,269,480 km (0.048 R)
• M39: 65,998,093 km (0.036 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 13,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit