🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141

Radius: 9.4

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.58 AU - 0.78 AU

Year: 380 Days

Day: 8.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,297,406 km

• M1: 117,135 km (0.077 R)
• M2: 581,188 km (0.118 R)
• M3: 921,523 km (0.101 R)
• M4: 1,397,244 km (0.111 R)
• M5: 1,829,732 km (0.066 R)
• M6: 2,456,098 km (0.096 R)
• M7: 3,109,093 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.4

Radius: 9.3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.81 AU - 0.97 AU

Year: 569 Days

Day: 14.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,297,406 km

• M1: 115,639 km (0.092 R)
• M2: 440,416 km (0.091 R)
• M3: 763,697 km (0.091 R)
• M4: 1,070,223 km (0.083 R)
• M5: 1,460,973 km (0.104 R)
• M6: 1,845,888 km (0.086 R)
• M7: 2,259,825 km (0.107 R)
• M8: 2,735,098 km (0.092 R)
• M9: 3,049,104 km (0.069 R)
• M10: 4,359,132 km (0.114 R)
• M11: 5,265,546 km (0.079 R)
• M12: 5,700,876 km (0.109 R)
• M13: 6,311,983 km (0.115 R)
• M14: 6,643,492 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 11.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.18 AU - 1.46 AU

Year: 1029 Days

Day: 9.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 176.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,297,406 km

• M1: 146,756 km (0.03 R)
• M2: 530,175 km (0.101 R)
• M3: 1,573,321 km (0.083 R)
• M4: 1,980,077 km (0.094 R)
• M5: 3,587,656 km (0.066 R)
• M6: 4,006,381 km (0.107 R)
• M7: 4,527,430 km (0.099 R)
• M8: 6,062,603 km (0.078 R)
• M9: 7,516,545 km (0.078 R)
• M10: 9,594,459 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.3

Radius: 14.5

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.33 AU - 1.83 AU

Year: 1347 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,297,406 km

• M1: 180,565 km (0.116 R)
• M2: 670,198 km (0.094 R)
• M3: 1,154,297 km (0.069 R)
• M4: 1,625,082 km (0.111 R)
• M5: 2,379,504 km (0.101 R)
• M6: 2,963,534 km (0.064 R)
• M7: 3,514,652 km (0.089 R)
• M8: 4,134,137 km (0.114 R)
• M9: 5,273,475 km (0.025 R)
• M10: 5,793,178 km (0.115 R)
• M11: 7,270,756 km (0.111 R)
• M12: 8,253,763 km (0.112 R)
• M13: 10,119,548 km (0.106 R)
• M14: 12,067,462 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 12.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.79 AU - 4.41 AU

Year: 5631 Days

Day: 10.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,297,406 km

• M1: 157,227 km (0.067 R)
• M2: 571,314 km (0.116 R)
• M3: 1,244,505 km (0.088 R)
• M4: 4,599,087 km (0.086 R)
• M5: 9,398,187 km (0.051 R)
• M6: 9,807,038 km (0.081 R)
• M7: 11,270,105 km (0.045 R)
• M8: 12,250,121 km (0.12 R)
• M9: 15,327,648 km (0.115 R)
• M10: 17,682,468 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.9

Radius: 9.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.72 AU - 4.58 AU

Year: 5734 Days

Day: 5.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,297,406 km

• M1: 125,363 km (0.106 R)
• M2: 482,752 km (0.073 R)
• M3: 876,045 km (0.088 R)
• M4: 2,127,581 km (0.052 R)
• M5: 2,596,869 km (0.116 R)
• M6: 3,008,563 km (0.077 R)
• M7: 4,826,177 km (0.058 R)
• M8: 5,521,807 km (0.041 R)
• M9: 5,906,124 km (0.106 R)
• M10: 6,257,081 km (0.11 R)
• M11: 8,601,130 km (0.051 R)
• M12: 11,709,773 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.4

Radius: 12.5

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.1 AU - 5.88 AU

Year: 8725 Days

Day: 5.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,297,406 km

• M1: 155,881 km (0.056 R)
• M2: 559,795 km (0.042 R)
• M3: 1,073,365 km (0.066 R)
• M4: 1,917,396 km (0.086 R)
• M5: 2,666,582 km (0.047 R)
• M6: 3,900,166 km (0.087 R)
• M7: 4,775,912 km (0.119 R)
• M8: 5,645,973 km (0.038 R)
• M9: 6,545,804 km (0.106 R)
• M10: 7,184,438 km (0.114 R)
• M11: 9,077,000 km (0.038 R)
• M12: 10,969,114 km (0.097 R)
• M13: 11,440,796 km (0.104 R)
• M14: 13,583,337 km (0.068 R)
• M15: 14,436,344 km (0.074 R)
• M16: 15,324,656 km (0.064 R)
• M17: 16,316,490 km (0.082 R)
• M18: 17,421,121 km (0.105 R)
• M19: 20,954,772 km (0.107 R)
• M20: 23,358,810 km (0.075 R)
• M21: 23,791,148 km (0.096 R)
• M22: 24,494,108 km (0.108 R)
• M23: 25,574,354 km (0.097 R)
• M24: 32,410,827 km (0.11 R)
• M25: 35,388,124 km (0.063 R)
• M26: 35,844,099 km (0.098 R)
• M27: 39,635,357 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43

Radius: 5.8

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.01 AU - 6.53 AU

Year: 10649 Days

Day: 24.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,297,406 km

• M1: 72,256 km (0.033 R)
• M2: 432,188 km (0.082 R)
• M3: 667,506 km (0.116 R)
• M4: 1,011,132 km (0.066 R)
• M5: 2,153,461 km (0.069 R)
• M6: 3,018,885 km (0.09 R)
• M7: 3,492,512 km (0.112 R)
• M8: 5,634,155 km (0.096 R)
• M9: 6,105,388 km (0.049 R)
• M10: 6,461,880 km (0.105 R)
• M11: 7,740,343 km (0.101 R)
• M12: 7,995,557 km (0.111 R)
• M13: 10,551,886 km (0.111 R)
• M14: 10,945,328 km (0.08 R)
• M15: 11,430,325 km (0.082 R)
• M16: 11,887,346 km (0.057 R)
• M17: 13,884,777 km (0.036 R)
• M18: 14,791,639 km (0.091 R)
• M19: 15,384,346 km (0.107 R)
• M20: 16,669,691 km (0.042 R)
• M21: 17,803,343 km (0.105 R)
• M22: 19,452,211 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.3

Radius: 5

Gravity: 38.45 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.52 AU - 9.46 AU

Year: 15318 Days

Day: 15.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,297,406 km

• M1: 62,382 km (0.105 R)
• M2: 233,672 km (0.088 R)
• M3: 464,053 km (0.078 R)
• M4: 790,176 km (0.109 R)
• M5: 1,947,764 km (0.113 R)
• M6: 2,144,037 km (0.038 R)
• M7: 2,962,636 km (0.084 R)
• M8: 3,304,019 km (0.104 R)
• M9: 3,641,960 km (0.087 R)
• M10: 3,819,533 km (0.044 R)
• M11: 5,191,495 km (0.052 R)
• M12: 6,907,233 km (0.108 R)
• M13: 7,991,219 km (0.12 R)
• M14: 8,190,633 km (0.052 R)
• M15: 8,862,028 km (0.112 R)
• M16: 12,111,444 km (0.104 R)
• M17: 12,844,922 km (0.052 R)
• M18: 13,466,651 km (0.062 R)
• M19: 14,769,947 km (0.12 R)
• M20: 15,222,481 km (0.036 R)
• M21: 15,452,114 km (0.061 R)
• M22: 21,110,055 km (0.061 R)
• M23: 22,170,255 km (0.066 R)
• M24: 22,465,411 km (0.072 R)
• M25: 30,482,960 km (0.086 R)
• M26: 37,647,501 km (0.049 R)
• M27: 44,908,533 km (0.079 R)
• M28: 65,090,183 km (0.105 R)
• M29: 67,533,565 km (0.071 R)
• M30: 68,153,798 km (0.093 R)
• M31: 70,248,767 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.7

Radius: 7.7

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.53 AU - 9.37 AU

Year: 18160 Days

Day: 17.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,297,406 km

• M1: 96,042 km (0.049 R)
• M2: 391,498 km (0.102 R)
• M3: 1,237,474 km (0.065 R)
• M4: 1,613,712 km (0.079 R)
• M5: 1,893,311 km (0.09 R)
• M6: 2,417,651 km (0.067 R)
• M7: 3,112,533 km (0.079 R)
• M8: 5,331,219 km (0.099 R)
• M9: 5,796,319 km (0.11 R)
• M10: 6,458,290 km (0.093 R)
• M11: 7,077,774 km (0.103 R)
• M12: 7,449,376 km (0.087 R)
• M13: 7,981,346 km (0.084 R)
• M14: 10,603,347 km (0.032 R)
• M15: 11,591,741 km (0.113 R)
• M16: 13,326,777 km (0.112 R)
• M17: 16,163,900 km (0.118 R)
• M18: 17,638,636 km (0.111 R)
• M19: 22,104,282 km (0.057 R)
• M20: 23,814,635 km (0.119 R)
• M21: 25,611,305 km (0.079 R)
• M22: 27,270,046 km (0.114 R)
• M23: 30,677,886 km (0.057 R)
• M24: 32,547,111 km (0.069 R)
• M25: 33,834,700 km (0.076 R)
• M26: 38,894,549 km (0.047 R)
• M27: 39,325,690 km (0.108 R)
• M28: 40,933,717 km (0.116 R)
• M29: 46,825,779 km (0.057 R)
• M30: 56,318,362 km (0.043 R)
• M31: 57,425,536 km (0.105 R)
• M32: 57,797,736 km (0.099 R)
• M33: 58,924,208 km (0.034 R)
• M34: 63,378,185 km (0.103 R)
• M35: 63,975,230 km (0.112 R)
• M36: 69,307,198 km (0.102 R)
• M37: 70,152,874 km (0.07 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 14,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit