🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.2

Radius: 14.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.92 AU - 1.42 AU

Year: 830 Days

Day: 11.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,476,715 km

• M1: 182,958 km (0.056 R)
• M2: 673,190 km (0.116 R)
• M3: 1,194,389 km (0.095 R)
• M4: 2,062,057 km (0.029 R)
• M5: 2,720,736 km (0.085 R)
• M6: 3,349,496 km (0.081 R)
• M7: 4,250,823 km (0.1 R)
• M8: 4,848,317 km (0.105 R)
• M9: 5,540,507 km (0.081 R)
• M10: 6,492,398 km (0.082 R)
• M11: 6,985,024 km (0.115 R)
• M12: 7,478,547 km (0.096 R)
• M13: 8,096,536 km (0.112 R)
• M14: 8,694,927 km (0.055 R)
• M15: 9,806,440 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.9

Radius: 10.9

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.05 AU - 1.61 AU

Year: 1006 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,476,715 km

• M1: 135,536 km (0.043 R)
• M2: 617,540 km (0.07 R)
• M3: 1,238,521 km (0.102 R)
• M4: 1,653,206 km (0.065 R)
• M5: 2,819,770 km (0.071 R)
• M6: 3,363,110 km (0.101 R)
• M7: 3,850,051 km (0.066 R)
• M8: 4,929,699 km (0.114 R)
• M9: 5,286,340 km (0.085 R)
• M10: 5,884,582 km (0.117 R)
• M11: 6,351,776 km (0.088 R)
• M12: 6,706,772 km (0.111 R)
• M13: 7,193,114 km (0.079 R)
• M14: 8,552,361 km (0.085 R)
• M15: 9,606,876 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 13.1

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.23 AU - 1.77 AU

Year: 1205 Days

Day: 5.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,476,715 km

• M1: 162,912 km (0.116 R)
• M2: 712,983 km (0.09 R)
• M3: 1,425,219 km (0.085 R)
• M4: 2,132,518 km (0.083 R)
• M5: 3,179,553 km (0.119 R)
• M6: 4,451,135 km (0.098 R)
• M7: 5,295,914 km (0.05 R)
• M8: 5,790,335 km (0.116 R)
• M9: 6,338,911 km (0.086 R)
• M10: 8,252,716 km (0.052 R)
• M11: 10,659,596 km (0.057 R)
• M12: 11,486,125 km (0.052 R)
• M13: 11,951,374 km (0.106 R)
• M14: 12,881,573 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.7

Radius: 12.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.18 AU - 1.88 AU

Year: 1241 Days

Day: 6.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,476,715 km

• M1: 155,283 km (0.083 R)
• M2: 601,234 km (0.099 R)
• M3: 1,042,099 km (0.108 R)
• M4: 2,206,569 km (0.073 R)
• M5: 2,634,269 km (0.109 R)
• M6: 3,018,436 km (0.108 R)
• M7: 3,875,931 km (0.117 R)
• M8: 5,295,914 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546

Radius: 12.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.3 AU - 2.14 AU

Year: 1480 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,476,715 km

• M1: 150,495 km (0.072 R)
• M2: 576,101 km (0.032 R)
• M3: 984,653 km (0.044 R)
• M4: 1,685,818 km (0.099 R)
• M5: 2,354,222 km (0.038 R)
• M6: 3,035,640 km (0.064 R)
• M7: 3,928,141 km (0.067 R)
• M8: 4,659,226 km (0.097 R)
• M9: 5,521,358 km (0.098 R)
• M10: 6,092,373 km (0.085 R)
• M11: 7,482,885 km (0.105 R)
• M12: 8,379,276 km (0.071 R)
• M13: 9,746,600 km (0.066 R)
• M14: 10,848,987 km (0.088 R)
• M15: 12,433,677 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.1

Radius: 10.3

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.64 AU - 2.3 AU

Year: 1814 Days

Day: 6.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,476,715 km

• M1: 129,253 km (0.065 R)
• M2: 464,202 km (0.116 R)
• M3: 803,341 km (0.04 R)
• M4: 1,422,077 km (0.101 R)
• M5: 1,994,738 km (0.053 R)
• M6: 2,335,522 km (0.039 R)
• M7: 3,058,528 km (0.047 R)
• M8: 3,724,688 km (0.058 R)
• M9: 4,880,780 km (0.106 R)
• M10: 5,647,619 km (0.096 R)
• M11: 7,055,784 km (0.072 R)
• M12: 7,420,354 km (0.065 R)
• M13: 9,302,145 km (0.108 R)
• M14: 11,753,157 km (0.104 R)
• M15: 12,346,911 km (0.085 R)
• M16: 12,918,823 km (0.061 R)
• M17: 14,292,880 km (0.051 R)
• M18: 14,923,584 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.4

Radius: 14.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.85 AU - 2.27 AU

Year: 1940 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,476,715 km

• M1: 184,155 km (0.088 R)
• M2: 727,943 km (0.09 R)
• M3: 1,311,674 km (0.088 R)
• M4: 2,062,655 km (0.072 R)
• M5: 3,676,368 km (0.103 R)
• M6: 4,386,210 km (0.119 R)
• M7: 4,862,080 km (0.112 R)
• M8: 5,878,897 km (0.066 R)
• M9: 6,459,636 km (0.088 R)
• M10: 6,965,277 km (0.088 R)
• M11: 7,592,690 km (0.115 R)
• M12: 8,181,807 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.8

Radius: 14.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.67 AU - 2.55 AU

Year: 2011 Days

Day: 14.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,476,715 km

• M1: 280,047 km (0.07 R)
• M2: 1,704,518 km (0.071 R)
• M3: 2,439,193 km (0.074 R)
• M4: 4,083,872 km (0.109 R)
• M5: 4,944,808 km (0.105 R)
• M6: 5,576,859 km (0.12 R)
• M7: 6,080,256 km (0.092 R)
• M8: 7,254,749 km (0.096 R)
• M9: 9,429,902 km (0.116 R)
• M10: 10,051,481 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.7

Radius: 4.5

Gravity: 49.07 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.24 AU - 7 AU

Year: 9932 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,476,715 km

• M1: 55,950 km (0.069 R)
• M2: 213,775 km (0.069 R)
• M3: 420,220 km (0.082 R)
• M4: 801,845 km (0.116 R)
• M5: 1,071,570 km (0.096 R)
• M6: 1,318,256 km (0.081 R)
• M7: 2,679,896 km (0.06 R)
• M8: 2,878,712 km (0.091 R)
• M9: 3,232,212 km (0.098 R)
• M10: 3,535,297 km (0.101 R)
• M11: 3,940,558 km (0.118 R)
• M12: 4,715,325 km (0.082 R)
• M13: 5,411,553 km (0.08 R)
• M14: 5,551,577 km (0.09 R)
• M15: 5,912,257 km (0.074 R)
• M16: 6,640,201 km (0.085 R)
• M17: 9,788,039 km (0.11 R)
• M18: 10,914,062 km (0.051 R)
• M19: 11,307,953 km (0.111 R)
• M20: 12,853,748 km (0.118 R)
• M21: 13,356,397 km (0.08 R)
• M22: 16,503,787 km (0.074 R)
• M23: 19,124,592 km (0.089 R)
• M24: 20,364,309 km (0.098 R)
• M25: 23,186,024 km (0.103 R)
• M26: 25,075,894 km (0.071 R)
• M27: 25,270,372 km (0.08 R)
• M28: 25,563,883 km (0.063 R)
• M29: 26,862,392 km (0.046 R)
• M30: 28,414,470 km (0.117 R)
• M31: 30,134,845 km (0.091 R)
• M32: 40,986,525 km (0.052 R)
• M33: 42,900,481 km (0.111 R)
• M34: 44,587,795 km (0.105 R)
• M35: 46,905,814 km (0.068 R)
• M36: 48,545,107 km (0.081 R)
• M37: 50,686,302 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.2

Radius: 3.7

Gravity: 60.2 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.98 AU - 9.5 AU

Year: 16950 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,476,715 km

• M1: 46,226 km (0.025 R)
• M2: 171,140 km (0.11 R)
• M3: 315,801 km (0.114 R)
• M4: 927,208 km (0.095 R)
• M5: 1,247,048 km (0.055 R)
• M6: 1,740,422 km (0.095 R)
• M7: 2,793,591 km (0.111 R)
• M8: 2,994,501 km (0.104 R)
• M9: 3,178,207 km (0.108 R)
• M10: 4,929,250 km (0.057 R)
• M11: 5,566,986 km (0.1 R)
• M12: 5,967,010 km (0.039 R)
• M13: 6,428,669 km (0.119 R)
• M14: 6,558,670 km (0.106 R)
• M15: 7,614,083 km (0.11 R)
• M16: 7,759,642 km (0.083 R)
• M17: 7,906,995 km (0.029 R)
• M18: 9,263,848 km (0.064 R)
• M19: 13,530,379 km (0.115 R)
• M20: 17,058,944 km (0.109 R)
• M21: 17,814,264 km (0.03 R)
• M22: 18,070,974 km (0.102 R)
• M23: 22,026,192 km (0.112 R)
• M24: 22,223,063 km (0.091 R)
• M25: 27,306,548 km (0.117 R)
• M26: 30,602,788 km (0.067 R)
• M27: 31,966,971 km (0.103 R)
• M28: 35,351,922 km (0.094 R)
• M29: 40,128,282 km (0.107 R)
• M30: 40,865,052 km (0.064 R)
• M31: 43,592,221 km (0.112 R)
• M32: 45,158,511 km (0.107 R)
• M33: 49,574,042 km (0.097 R)
• M34: 49,911,983 km (0.094 R)
• M35: 53,911,033 km (0.104 R)
• M36: 56,079,903 km (0.094 R)
• M37: 57,000,529 km (0.108 R)
• M38: 57,557,631 km (0.103 R)
• M39: 60,398,046 km (0.101 R)
• M40: 67,593,105 km (0.079 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: 420 - 17,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit