🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.6

Radius: 8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.94 AU - 1.02 AU

Year: 617 Days

Day: 12.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,032,897 km

• M1: 99,483 km (0.042 R)
• M2: 393,293 km (0.109 R)
• M3: 654,191 km (0.1 R)
• M4: 929,452 km (0.082 R)
• M5: 1,244,205 km (0.074 R)
• M6: 1,643,183 km (0.096 R)
• M7: 1,937,292 km (0.106 R)
• M8: 2,283,611 km (0.086 R)
• M9: 2,709,068 km (0.096 R)
• M10: 3,251,360 km (0.095 R)
• M11: 3,839,429 km (0.053 R)
• M12: 4,402,067 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.7

Radius: 13.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.89 AU - 1.13 AU

Year: 645 Days

Day: 13.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,032,897 km

• M1: 166,652 km (0.111 R)
• M2: 657,483 km (0.105 R)
• M3: 1,351,617 km (0.076 R)
• M4: 1,843,644 km (0.102 R)
• M5: 2,486,167 km (0.061 R)
• M6: 3,069,150 km (0.067 R)
• M7: 3,701,799 km (0.088 R)
• M8: 4,845,924 km (0.074 R)
• M9: 5,264,499 km (0.104 R)
• M10: 7,338,224 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.6

Radius: 9.7

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.54 AU - 1.96 AU

Year: 1472 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,032,897 km

• M1: 120,576 km (0.034 R)
• M2: 451,038 km (0.087 R)
• M3: 800,349 km (0.081 R)
• M4: 1,311,375 km (0.069 R)
• M5: 1,725,163 km (0.06 R)
• M6: 2,108,881 km (0.09 R)
• M7: 2,750,357 km (0.072 R)
• M8: 3,500,740 km (0.077 R)
• M9: 6,856,669 km (0.116 R)
• M10: 7,969,677 km (0.118 R)
• M11: 8,346,664 km (0.094 R)
• M12: 8,765,837 km (0.072 R)
• M13: 10,344,842 km (0.106 R)
• M14: 10,970,012 km (0.085 R)
• M15: 11,436,907 km (0.07 R)
• M16: 13,076,649 km (0.074 R)
• M17: 14,057,114 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.8

Radius: 8.8

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.23 AU - 2.53 AU

Year: 2335 Days

Day: 5.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,032,897 km

• M1: 109,655 km (0.086 R)
• M2: 1,075,609 km (0.105 R)
• M3: 1,453,194 km (0.099 R)
• M4: 1,734,288 km (0.112 R)
• M5: 2,179,641 km (0.107 R)
• M6: 3,180,301 km (0.115 R)
• M7: 3,623,410 km (0.077 R)
• M8: 4,188,591 km (0.096 R)
• M9: 4,589,812 km (0.119 R)
• M10: 5,445,213 km (0.119 R)
• M11: 5,897,896 km (0.05 R)
• M12: 6,850,386 km (0.106 R)
• M13: 7,140,456 km (0.116 R)
• M14: 8,221,151 km (0.106 R)
• M15: 9,301,397 km (0.069 R)
• M16: 12,073,595 km (0.086 R)
• M17: 12,583,874 km (0.056 R)
• M18: 13,466,202 km (0.088 R)
• M19: 14,626,333 km (0.101 R)
• M20: 15,601,412 km (0.103 R)
• M21: 16,827,965 km (0.079 R)
• M22: 17,357,542 km (0.109 R)
• M23: 18,730,102 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.2

Radius: 12.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.25 AU - 2.87 AU

Year: 2604 Days

Day: 12.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,032,897 km

• M1: 164,109 km (0.078 R)
• M2: 690,693 km (0.104 R)
• M3: 1,130,960 km (0.091 R)
• M4: 1,774,979 km (0.077 R)
• M5: 3,090,094 km (0.115 R)
• M6: 4,215,818 km (0.102 R)
• M7: 5,016,914 km (0.112 R)
• M8: 5,688,160 km (0.086 R)
• M9: 6,793,838 km (0.076 R)
• M10: 7,344,208 km (0.119 R)
• M11: 9,051,419 km (0.085 R)
• M12: 9,751,388 km (0.052 R)
• M13: 10,350,677 km (0.12 R)
• M14: 10,868,585 km (0.067 R)
• M15: 13,847,228 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.9

Radius: 13.2

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.3 AU - 5.32 AU

Year: 6707 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,032,897 km

• M1: 164,109 km (0.107 R)
• M2: 902,075 km (0.06 R)
• M3: 1,647,073 km (0.115 R)
• M4: 2,128,479 km (0.117 R)
• M5: 5,058,353 km (0.109 R)
• M6: 5,535,271 km (0.109 R)
• M7: 8,172,980 km (0.105 R)
• M8: 8,704,053 km (0.046 R)
• M9: 9,391,605 km (0.085 R)
• M10: 10,009,743 km (0.106 R)
• M11: 10,508,951 km (0.116 R)
• M12: 11,213,258 km (0.088 R)
• M13: 12,147,646 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.7

Radius: 7.9

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.69 AU - 6.49 AU

Year: 9556 Days

Day: 16.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,032,897 km

• M1: 98,435 km (0.056 R)
• M2: 351,555 km (0.105 R)
• M3: 745,745 km (0.112 R)
• M4: 1,048,382 km (0.119 R)
• M5: 1,581,249 km (0.065 R)
• M6: 2,605,097 km (0.072 R)
• M7: 2,871,232 km (0.026 R)
• M8: 3,339,922 km (0.065 R)
• M9: 4,373,195 km (0.102 R)
• M10: 5,740,519 km (0.031 R)
• M11: 6,861,157 km (0.101 R)
• M12: 7,493,657 km (0.06 R)
• M13: 7,824,118 km (0.098 R)
• M14: 8,425,801 km (0.102 R)
• M15: 9,385,770 km (0.08 R)
• M16: 12,528,971 km (0.113 R)
• M17: 13,232,380 km (0.078 R)
• M18: 14,399,693 km (0.085 R)
• M19: 16,727,136 km (0.092 R)
• M20: 19,141,048 km (0.118 R)
• M21: 19,681,395 km (0.097 R)
• M22: 20,152,628 km (0.081 R)
• M23: 20,631,342 km (0.096 R)
• M24: 29,156,176 km (0.114 R)
• M25: 34,072,860 km (0.108 R)
• M26: 34,411,400 km (0.115 R)
• M27: 36,021,372 km (0.081 R)
• M28: 41,024,374 km (0.079 R)
• M29: 43,096,155 km (0.095 R)
• M30: 44,965,380 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.2

Radius: 5.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.33 AU - 8.29 AU

Year: 11299 Days

Day: 20.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,032,897 km

• M1: 65,973 km (0.086 R)
• M2: 271,221 km (0.087 R)
• M3: 450,888 km (0.106 R)
• M4: 1,962,724 km (0.1 R)
• M5: 2,720,288 km (0.062 R)
• M6: 3,592,443 km (0.095 R)
• M7: 6,357,610 km (0.114 R)
• M8: 6,838,119 km (0.095 R)
• M9: 7,692,323 km (0.063 R)
• M10: 9,123,525 km (0.104 R)
• M11: 10,459,285 km (0.115 R)
• M12: 11,037,331 km (0.12 R)
• M13: 11,219,392 km (0.12 R)
• M14: 12,160,213 km (0.057 R)
• M15: 13,931,152 km (0.077 R)
• M16: 14,630,522 km (0.06 R)
• M17: 16,510,818 km (0.072 R)
• M18: 17,850,018 km (0.11 R)
• M19: 18,101,193 km (0.118 R)
• M20: 22,811,581 km (0.097 R)
• M21: 27,855,423 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.6

Radius: 7.4

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.67 AU - 8.59 AU

Year: 13400 Days

Day: 21.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,032,897 km

• M1: 92,751 km (0.091 R)
• M2: 438,322 km (0.066 R)
• M3: 1,092,962 km (0.096 R)
• M4: 2,212,104 km (0.039 R)
• M5: 2,495,143 km (0.068 R)
• M6: 3,587,058 km (0.095 R)
• M7: 5,177,732 km (0.104 R)
• M8: 5,712,095 km (0.076 R)
• M9: 6,043,305 km (0.096 R)
• M10: 6,457,542 km (0.087 R)
• M11: 6,744,171 km (0.086 R)
• M12: 7,381,458 km (0.114 R)
• M13: 7,734,659 km (0.112 R)
• M14: 9,443,216 km (0.102 R)
• M15: 11,967,979 km (0.103 R)
• M16: 15,602,908 km (0.069 R)
• M17: 16,515,156 km (0.083 R)
• M18: 16,782,188 km (0.11 R)
• M19: 17,393,595 km (0.078 R)
• M20: 19,988,370 km (0.098 R)
• M21: 22,176,987 km (0.111 R)
• M22: 24,607,055 km (0.049 R)
• M23: 26,656,246 km (0.025 R)
• M24: 29,496,811 km (0.077 R)
• M25: 30,187,504 km (0.109 R)
• M26: 31,192,802 km (0.099 R)
• M27: 34,778,064 km (0.072 R)
• M28: 35,882,545 km (0.1 R)
• M29: 37,124,507 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.5

Radius: 7.7

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 11.25 AU - 11.53 AU

Year: 24441 Days

Day: 18.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,032,897 km

• M1: 99,782 km (0.09 R)
• M2: 404,363 km (0.089 R)
• M3: 652,396 km (0.065 R)
• M4: 1,955,543 km (0.084 R)
• M5: 2,406,731 km (0.102 R)
• M6: 2,777,135 km (0.106 R)
• M7: 8,221,600 km (0.105 R)
• M8: 9,063,387 km (0.029 R)
• M9: 10,019,467 km (0.09 R)
• M10: 13,010,826 km (0.108 R)
• M11: 13,860,542 km (0.107 R)
• M12: 20,588,706 km (0.108 R)
• M13: 32,042,667 km (0.089 R)
• M14: 35,317,963 km (0.105 R)
• M15: 36,135,964 km (0.107 R)
• M16: 37,809,815 km (0.045 R)
• M17: 39,680,835 km (0.104 R)
• M18: 41,011,658 km (0.044 R)
• M19: 46,796,608 km (0.107 R)
• M20: 48,448,617 km (0.079 R)
• M21: 56,365,486 km (0.1 R)
• M22: 61,702,988 km (0.113 R)
• M23: 69,259,625 km (0.061 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 19,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit