🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 8.2

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.55 AU - 0.89 AU

Year: 429 Days

Day: 6.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,159,279 km

• M1: 102,026 km (0.092 R)
• M2: 397,033 km (0.05 R)
• M3: 768,335 km (0.072 R)
• M4: 1,070,223 km (0.027 R)
• M5: 1,353,262 km (0.092 R)
• M6: 1,612,815 km (0.099 R)
• M7: 2,022,862 km (0.119 R)
• M8: 2,318,169 km (0.085 R)
• M9: 2,662,842 km (0.065 R)
• M10: 3,064,213 km (0.068 R)
• M11: 3,580,924 km (0.1 R)
• M12: 3,961,352 km (0.065 R)
• M13: 4,575,002 km (0.098 R)
• M14: 5,217,525 km (0.05 R)
• M15: 5,484,108 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.5

Radius: 15

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.26 AU - 1.42 AU

Year: 1090 Days

Day: 14 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,159,279 km

• M1: 186,848 km (0.078 R)
• M2: 892,052 km (0.115 R)
• M3: 1,451,099 km (0.077 R)
• M4: 2,087,189 km (0.116 R)
• M5: 2,769,954 km (0.092 R)
• M6: 3,452,420 km (0.094 R)
• M7: 4,260,996 km (0.053 R)
• M8: 4,884,670 km (0.071 R)
• M9: 5,963,719 km (0.116 R)
• M10: 6,458,140 km (0.066 R)
• M11: 7,757,846 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.7

Radius: 11.6

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.51 AU - 1.69 AU

Year: 1423 Days

Day: 14.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,159,279 km

• M1: 144,512 km (0.119 R)
• M2: 557,701 km (0.12 R)
• M3: 1,203,216 km (0.102 R)
• M4: 1,690,905 km (0.042 R)
• M5: 2,180,987 km (0.065 R)
• M6: 2,645,638 km (0.116 R)
• M7: 3,102,361 km (0.037 R)
• M8: 3,776,598 km (0.112 R)
• M9: 4,395,634 km (0.105 R)
• M10: 4,898,283 km (0.086 R)
• M11: 5,525,846 km (0.043 R)
• M12: 6,616,115 km (0.101 R)
• M13: 9,626,773 km (0.086 R)
• M14: 10,612,623 km (0.109 R)
• M15: 11,341,912 km (0.03 R)
• M16: 11,993,411 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.8

Radius: 8.1

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.9 AU - 3.74 AU

Year: 4252 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,159,279 km

• M1: 100,679 km (0.116 R)
• M2: 353,949 km (0.058 R)
• M3: 642,822 km (0.093 R)
• M4: 1,095,056 km (0.064 R)
• M5: 1,388,867 km (0.109 R)
• M6: 1,677,740 km (0.109 R)
• M7: 1,968,259 km (0.073 R)
• M8: 2,620,655 km (0.039 R)
• M9: 2,946,031 km (0.042 R)
• M10: 3,225,779 km (0.099 R)
• M11: 4,853,404 km (0.087 R)
• M12: 5,145,419 km (0.06 R)
• M13: 5,954,145 km (0.031 R)
• M14: 6,996,842 km (0.051 R)
• M15: 7,306,958 km (0.093 R)
• M16: 7,822,323 km (0.075 R)
• M17: 10,446,120 km (0.076 R)
• M18: 11,781,281 km (0.109 R)
• M19: 12,717,016 km (0.102 R)
• M20: 13,510,184 km (0.12 R)
• M21: 14,585,044 km (0.111 R)
• M22: 15,143,344 km (0.104 R)
• M23: 18,384,232 km (0.114 R)
• M24: 19,276,434 km (0.118 R)
• M25: 19,887,092 km (0.104 R)
• M26: 20,636,727 km (0.11 R)
• M27: 20,890,894 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.1

Radius: 11.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.04 AU - 4.64 AU

Year: 5289 Days

Day: 6.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,159,279 km

• M1: 144,212 km (0.093 R)
• M2: 588,069 km (0.109 R)
• M3: 1,040,453 km (0.105 R)
• M4: 1,803,253 km (0.068 R)
• M5: 2,203,726 km (0.116 R)
• M6: 2,596,720 km (0.059 R)
• M7: 3,074,087 km (0.07 R)
• M8: 3,526,620 km (0.028 R)
• M9: 4,137,578 km (0.032 R)
• M10: 6,464,722 km (0.047 R)
• M11: 7,178,454 km (0.082 R)
• M12: 8,840,037 km (0.034 R)
• M13: 9,637,394 km (0.107 R)
• M14: 10,525,557 km (0.09 R)
• M15: 12,710,284 km (0.107 R)
• M16: 13,110,159 km (0.079 R)
• M17: 13,518,561 km (0.119 R)
• M18: 14,093,915 km (0.118 R)
• M19: 15,860,965 km (0.072 R)
• M20: 16,324,868 km (0.03 R)
• M21: 17,895,496 km (0.06 R)
• M22: 22,187,608 km (0.093 R)
• M23: 23,433,609 km (0.098 R)
• M24: 24,417,664 km (0.085 R)
• M25: 25,271,568 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.9

Radius: 7.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.96 AU - 9.3 AU

Year: 14815 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,159,279 km

• M1: 97,388 km (0.081 R)
• M2: 460,013 km (0.115 R)
• M3: 750,832 km (0.077 R)
• M4: 1,427,164 km (0.093 R)
• M5: 2,334,026 km (0.092 R)
• M6: 4,442,458 km (0.093 R)
• M7: 6,028,645 km (0.107 R)
• M8: 8,066,467 km (0.071 R)
• M9: 10,825,351 km (0.094 R)
• M10: 12,133,135 km (0.074 R)
• M11: 19,562,614 km (0.037 R)
• M12: 24,738,701 km (0.114 R)
• M13: 25,270,970 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.6

Radius: 3.2

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.71 AU - 8.71 AU

Year: 16536 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,159,279 km

• M1: 50,564 km (0.088 R)
• M2: 153,039 km (0.07 R)
• M3: 288,425 km (0.096 R)
• M4: 590,463 km (0.101 R)
• M5: 1,543,102 km (0.103 R)
• M6: 2,238,283 km (0.093 R)
• M7: 2,339,860 km (0.116 R)
• M8: 2,462,531 km (0.037 R)
• M9: 4,314,103 km (0.09 R)
• M10: 5,320,448 km (0.096 R)
• M11: 6,204,123 km (0.119 R)
• M12: 6,680,742 km (0.052 R)
• M13: 7,515,947 km (0.118 R)
• M14: 10,720,483 km (0.096 R)
• M15: 11,157,308 km (0.088 R)
• M16: 11,505,273 km (0.119 R)
• M17: 11,963,192 km (0.052 R)
• M18: 12,592,401 km (0.113 R)
• M19: 12,807,074 km (0.091 R)
• M20: 13,859,644 km (0.088 R)
• M21: 18,997,134 km (0.081 R)
• M22: 19,350,335 km (0.114 R)
• M23: 23,691,964 km (0.099 R)
• M24: 24,933,627 km (0.071 R)
• M25: 26,305,140 km (0.094 R)
• M26: 28,089,394 km (0.07 R)
• M27: 28,272,053 km (0.054 R)
• M28: 31,995,843 km (0.117 R)
• M29: 32,495,649 km (0.114 R)
• M30: 33,000,542 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.3

Radius: 6.5

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.93 AU - 9.53 AU

Year: 16596 Days

Day: 18.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,159,279 km

• M1: 81,680 km (0.114 R)
• M2: 318,045 km (0.097 R)
• M3: 665,411 km (0.078 R)
• M4: 1,001,408 km (0.067 R)
• M5: 1,568,833 km (0.118 R)
• M6: 1,960,330 km (0.11 R)
• M7: 2,589,240 km (0.104 R)
• M8: 2,889,932 km (0.072 R)
• M9: 3,136,918 km (0.075 R)
• M10: 3,424,894 km (0.087 R)
• M11: 5,317,905 km (0.087 R)
• M12: 5,921,533 km (0.101 R)
• M13: 6,528,152 km (0.094 R)
• M14: 8,103,567 km (0.087 R)
• M15: 8,748,483 km (0.104 R)
• M16: 14,752,744 km (0.099 R)
• M17: 16,478,654 km (0.106 R)
• M18: 17,029,623 km (0.085 R)
• M19: 19,443,534 km (0.109 R)
• M20: 21,143,116 km (0.105 R)
• M21: 21,981,762 km (0.06 R)
• M22: 26,403,575 km (0.099 R)
• M23: 29,736,466 km (0.083 R)
• M24: 31,025,701 km (0.112 R)
• M25: 33,840,983 km (0.052 R)
• M26: 43,300,206 km (0.077 R)
• M27: 44,499,233 km (0.069 R)
• M28: 45,107,049 km (0.048 R)
• M29: 52,330,682 km (0.051 R)
• M30: 59,183,461 km (0.051 R)
• M31: 61,782,425 km (0.039 R)
• M32: 62,349,101 km (0.094 R)
• M33: 64,844,543 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.4

Radius: 7.2

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.32 AU - 10.72 AU

Year: 20647 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,159,279 km

• M1: 115,639 km (0.098 R)
• M2: 354,098 km (0.071 R)
• M3: 621,430 km (0.111 R)
• M4: 881,730 km (0.032 R)
• M5: 1,429,258 km (0.089 R)
• M6: 1,933,852 km (0.103 R)
• M7: 4,104,666 km (0.117 R)
• M8: 6,158,346 km (0.103 R)
• M9: 6,798,326 km (0.072 R)
• M10: 9,099,141 km (0.101 R)
• M11: 14,214,490 km (0.101 R)
• M12: 14,685,425 km (0.097 R)
• M13: 16,075,787 km (0.119 R)
• M14: 16,415,374 km (0.033 R)
• M15: 16,673,131 km (0.087 R)
• M16: 18,646,776 km (0.089 R)
• M17: 26,659,537 km (0.12 R)
• M18: 29,347,213 km (0.061 R)
• M19: 51,523,451 km (0.058 R)
• M20: 55,671,352 km (0.068 R)
• M21: 58,824,276 km (0.07 R)
• M22: 63,985,702 km (0.062 R)
• M23: 68,993,491 km (0.092 R)
• M24: 69,440,938 km (0.085 R)
• M25: 73,555,179 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219

Radius: 6

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.66 AU - 10.46 AU

Year: 22429 Days

Day: 20.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,159,279 km

• M1: 74,649 km (0.053 R)
• M2: 748,139 km (0.102 R)
• M3: 1,048,980 km (0.096 R)
• M4: 1,456,634 km (0.109 R)
• M5: 1,777,971 km (0.115 R)
• M6: 2,017,776 km (0.047 R)
• M7: 2,583,854 km (0.119 R)
• M8: 2,779,528 km (0.112 R)
• M9: 3,300,129 km (0.045 R)
• M10: 3,531,108 km (0.087 R)
• M11: 3,883,710 km (0.098 R)
• M12: 4,722,954 km (0.063 R)
• M13: 5,151,403 km (0.114 R)
• M14: 6,316,022 km (0.038 R)
• M15: 8,519,150 km (0.072 R)
• M16: 9,818,856 km (0.119 R)
• M17: 10,244,013 km (0.094 R)
• M18: 13,120,332 km (0.114 R)
• M19: 15,054,333 km (0.097 R)
• M20: 18,101,342 km (0.086 R)
• M21: 19,147,181 km (0.039 R)
• M22: 21,095,394 km (0.111 R)
• M23: 21,447,248 km (0.104 R)
• M24: 23,452,608 km (0.052 R)
• M25: 29,550,367 km (0.081 R)
• M26: 30,547,586 km (0.081 R)
• M27: 32,143,047 km (0.038 R)
• M28: 39,081,845 km (0.053 R)
• M29: 40,688,377 km (0.102 R)
• M30: 42,477,867 km (0.087 R)
• M31: 49,077,077 km (0.034 R)
• M32: 49,539,784 km (0.026 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 11,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit