🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 10.9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.41 AU - 0.63 AU

Year: 259 Days

Day: 6.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,400,755 km

• M1: 135,536 km (0.098 R)
• M2: 531,072 km (0.086 R)
• M3: 1,099,993 km (0.09 R)
• M4: 1,711,699 km (0.081 R)
• M5: 2,286,005 km (0.075 R)
• M6: 2,673,164 km (0.073 R)
• M7: 3,165,192 km (0.083 R)
• M8: 3,581,672 km (0.098 R)
• M9: 4,083,274 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 8.4

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.73 AU - 0.91 AU

Year: 513 Days

Day: 7.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,400,755 km

• M1: 104,419 km (0.119 R)
• M2: 716,723 km (0.068 R)
• M3: 989,141 km (0.112 R)
• M4: 1,259,913 km (0.102 R)
• M5: 1,754,334 km (0.081 R)
• M6: 2,428,871 km (0.076 R)
• M7: 2,794,638 km (0.116 R)
• M8: 3,095,778 km (0.112 R)
• M9: 3,600,522 km (0.109 R)
• M10: 4,310,812 km (0.073 R)
• M11: 4,971,586 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.4

Radius: 12

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.2 AU - 1.5 AU

Year: 1083 Days

Day: 9.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,400,755 km

• M1: 149,598 km (0.116 R)
• M2: 539,001 km (0.087 R)
• M3: 923,617 km (0.097 R)
• M4: 1,304,344 km (0.116 R)
• M5: 2,121,896 km (0.101 R)
• M6: 2,894,569 km (0.11 R)
• M7: 4,554,507 km (0.096 R)
• M8: 6,460,384 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.3

Radius: 13.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.65 AU - 2.51 AU

Year: 2071 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,400,755 km

• M1: 169,195 km (0.082 R)
• M2: 618,138 km (0.112 R)
• M3: 1,385,127 km (0.119 R)
• M4: 2,519,677 km (0.045 R)
• M5: 4,143,263 km (0.073 R)
• M6: 4,593,552 km (0.05 R)
• M7: 5,283,946 km (0.031 R)
• M8: 6,223,870 km (0.034 R)
• M9: 7,214,357 km (0.084 R)
• M10: 9,683,321 km (0.099 R)
• M11: 10,783,015 km (0.102 R)
• M12: 12,460,156 km (0.094 R)
• M13: 13,361,184 km (0.106 R)
• M14: 14,351,373 km (0.097 R)
• M15: 15,389,881 km (0.088 R)
• M16: 16,477,757 km (0.044 R)
• M17: 17,196,425 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646

Radius: 10.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.67 AU - 2.71 AU

Year: 2237 Days

Day: 6 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,400,755 km

• M1: 139,874 km (0.094 R)
• M2: 500,255 km (0.072 R)
• M3: 922,420 km (0.051 R)
• M4: 1,252,284 km (0.096 R)
• M5: 1,631,963 km (0.089 R)
• M6: 2,276,281 km (0.11 R)
• M7: 3,361,763 km (0.09 R)
• M8: 3,803,975 km (0.049 R)
• M9: 4,146,105 km (0.092 R)
• M10: 5,160,827 km (0.036 R)
• M11: 5,924,225 km (0.029 R)
• M12: 7,734,808 km (0.078 R)
• M13: 8,130,943 km (0.089 R)
• M14: 9,504,102 km (0.103 R)
• M15: 9,958,880 km (0.101 R)
• M16: 10,282,161 km (0.074 R)
• M17: 11,606,850 km (0.062 R)
• M18: 12,999,457 km (0.085 R)
• M19: 13,516,467 km (0.104 R)
• M20: 15,103,551 km (0.068 R)
• M21: 15,483,080 km (0.112 R)
• M22: 16,162,704 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.6

Radius: 11.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.82 AU - 3.56 AU

Year: 3933 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,400,755 km

• M1: 179,218 km (0.104 R)
• M2: 532,120 km (0.08 R)
• M3: 951,143 km (0.108 R)
• M4: 1,482,066 km (0.094 R)
• M5: 1,925,025 km (0.091 R)
• M6: 2,499,481 km (0.115 R)
• M7: 3,490,118 km (0.077 R)
• M8: 3,913,032 km (0.106 R)
• M9: 4,770,826 km (0.072 R)
• M10: 5,645,973 km (0.116 R)
• M11: 6,286,851 km (0.075 R)
• M12: 7,035,139 km (0.092 R)
• M13: 8,334,546 km (0.057 R)
• M14: 8,953,283 km (0.108 R)
• M15: 10,090,227 km (0.086 R)
• M16: 10,753,245 km (0.096 R)
• M17: 11,951,374 km (0.103 R)
• M18: 13,746,997 km (0.086 R)
• M19: 15,156,957 km (0.106 R)
• M20: 16,984,145 km (0.097 R)
• M21: 17,587,623 km (0.107 R)
• M22: 18,548,341 km (0.096 R)
• M23: 19,365,444 km (0.101 R)
• M24: 20,574,195 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.4

Radius: 10.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.61 AU - 4.35 AU

Year: 4481 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,400,755 km

• M1: 135,536 km (0.116 R)
• M2: 1,070,074 km (0.091 R)
• M3: 2,010,296 km (0.089 R)
• M4: 2,439,343 km (0.108 R)
• M5: 3,348,000 km (0.119 R)
• M6: 4,186,945 km (0.066 R)
• M7: 5,092,910 km (0.088 R)
• M8: 6,703,780 km (0.09 R)
• M9: 13,545,339 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.4

Radius: 8.4

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.43 AU - 3.81 AU

Year: 4754 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,400,755 km

• M1: 107,561 km (0.117 R)
• M2: 397,930 km (0.046 R)
• M3: 851,810 km (0.101 R)
• M4: 1,363,435 km (0.107 R)
• M5: 1,676,843 km (0.038 R)
• M6: 2,038,421 km (0.111 R)
• M7: 2,339,412 km (0.104 R)
• M8: 2,601,357 km (0.118 R)
• M9: 3,284,122 km (0.064 R)
• M10: 3,550,556 km (0.108 R)
• M11: 4,150,892 km (0.107 R)
• M12: 4,487,936 km (0.117 R)
• M13: 6,114,215 km (0.054 R)
• M14: 7,844,164 km (0.102 R)
• M15: 8,550,715 km (0.028 R)
• M16: 9,421,076 km (0.072 R)
• M17: 10,090,227 km (0.118 R)
• M18: 13,138,283 km (0.102 R)
• M19: 13,499,413 km (0.097 R)
• M20: 13,761,359 km (0.097 R)
• M21: 14,843,400 km (0.079 R)
• M22: 16,274,304 km (0.077 R)
• M23: 16,811,210 km (0.051 R)
• M24: 17,669,902 km (0.114 R)
• M25: 18,816,570 km (0.099 R)
• M26: 19,275,536 km (0.057 R)
• M27: 20,012,006 km (0.097 R)
• M28: 20,559,235 km (0.084 R)
• M29: 21,398,779 km (0.049 R)
• M30: 23,825,256 km (0.079 R)
• M31: 26,757,524 km (0.085 R)
• M32: 27,673,661 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.3

Radius: 14.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.12 AU - 5.6 AU

Year: 8566 Days

Day: 14 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,400,755 km

• M1: 184,005 km (0.071 R)
• M2: 842,685 km (0.086 R)
• M3: 2,125,636 km (0.094 R)
• M4: 2,896,813 km (0.11 R)
• M5: 3,539,037 km (0.063 R)
• M6: 5,056,857 km (0.082 R)
• M7: 6,438,992 km (0.107 R)
• M8: 7,834,590 km (0.105 R)
• M9: 8,446,445 km (0.05 R)
• M10: 10,658,250 km (0.114 R)
• M11: 11,362,557 km (0.098 R)
• M12: 14,952,606 km (0.084 R)
• M13: 16,260,241 km (0.062 R)
• M14: 18,562,702 km (0.063 R)
• M15: 19,583,558 km (0.029 R)
• M16: 23,414,012 km (0.059 R)
• M17: 27,456,296 km (0.076 R)
• M18: 29,871,852 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.5

Radius: 7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.53 AU - 12.29 AU

Year: 23184 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,400,755 km

• M1: 124,166 km (0.082 R)
• M2: 487,091 km (0.059 R)
• M3: 733,778 km (0.025 R)
• M4: 965,804 km (0.08 R)
• M5: 1,234,781 km (0.066 R)
• M6: 1,709,305 km (0.093 R)
• M7: 2,015,831 km (0.062 R)
• M8: 2,652,071 km (0.115 R)
• M9: 3,546,218 km (0.045 R)
• M10: 4,887,063 km (0.091 R)
• M11: 5,295,316 km (0.078 R)
• M12: 7,332,689 km (0.061 R)
• M13: 8,916,931 km (0.104 R)
• M14: 10,438,042 km (0.114 R)
• M15: 10,943,234 km (0.119 R)
• M16: 13,064,532 km (0.059 R)
• M17: 14,529,843 km (0.088 R)
• M18: 15,589,594 km (0.118 R)
• M19: 16,175,419 km (0.096 R)
• M20: 17,704,310 km (0.12 R)
• M21: 18,422,679 km (0.095 R)
• M22: 20,174,470 km (0.102 R)
• M23: 24,199,400 km (0.103 R)
• M24: 26,917,145 km (0.103 R)
• M25: 27,973,306 km (0.076 R)
• M26: 29,166,798 km (0.097 R)
• M27: 29,609,009 km (0.1 R)
• M28: 40,507,363 km (0.081 R)
• M29: 58,051,603 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 17,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit