🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 13.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.5 AU - 0.76 AU

Year: 333 Days

Day: 9.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,997,574 km

• M1: 172,935 km (0.028 R)
• M2: 641,176 km (0.101 R)
• M3: 1,178,831 km (0.117 R)
• M4: 1,807,591 km (0.062 R)
• M5: 2,302,610 km (0.105 R)
• M6: 2,812,440 km (0.07 R)
• M7: 3,652,133 km (0.093 R)
• M8: 4,137,728 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.3

Radius: 12.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.77 AU - 1.15 AU

Year: 627 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,997,574 km

• M1: 153,637 km (0.112 R)
• M2: 600,935 km (0.084 R)
• M3: 1,005,148 km (0.056 R)
• M4: 1,679,386 km (0.099 R)
• M5: 2,450,712 km (0.098 R)
• M6: 2,880,507 km (0.064 R)
• M7: 3,482,938 km (0.078 R)
• M8: 3,948,187 km (0.074 R)
• M9: 4,618,086 km (0.119 R)
• M10: 5,100,689 km (0.078 R)
• M11: 5,860,945 km (0.081 R)
• M12: 6,352,674 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.4

Radius: 8.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1 AU - 1.42 AU

Year: 888 Days

Day: 11.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,997,574 km

• M1: 107,411 km (0.112 R)
• M2: 407,654 km (0.076 R)
• M3: 756,816 km (0.113 R)
• M4: 1,028,785 km (0.117 R)
• M5: 1,312,871 km (0.085 R)
• M6: 1,618,499 km (0.026 R)
• M7: 1,998,927 km (0.106 R)
• M8: 2,325,499 km (0.043 R)
• M9: 2,687,376 km (0.063 R)
• M10: 3,326,907 km (0.098 R)
• M11: 3,830,902 km (0.105 R)
• M12: 4,322,481 km (0.052 R)
• M13: 5,199,573 km (0.071 R)
• M14: 5,523,004 km (0.118 R)
• M15: 5,898,046 km (0.079 R)
• M16: 6,616,115 km (0.115 R)
• M17: 7,214,058 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 9.3

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.14 AU - 1.62 AU

Year: 1081 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,997,574 km

• M1: 115,639 km (0.102 R)
• M2: 440,715 km (0.066 R)
• M3: 776,413 km (0.066 R)
• M4: 1,220,270 km (0.071 R)
• M5: 1,593,965 km (0.032 R)
• M6: 2,465,223 km (0.078 R)
• M7: 2,822,164 km (0.095 R)
• M8: 3,561,925 km (0.071 R)
• M9: 4,498,857 km (0.077 R)
• M10: 5,236,673 km (0.119 R)
• M11: 5,699,380 km (0.068 R)
• M12: 6,030,290 km (0.09 R)
• M13: 7,304,116 km (0.077 R)
• M14: 8,547,723 km (0.059 R)
• M15: 9,160,177 km (0.116 R)
• M16: 10,505,510 km (0.074 R)
• M17: 11,588,749 km (0.101 R)
• M18: 11,977,853 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.9

Radius: 10.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.29 AU - 2.05 AU

Year: 1439 Days

Day: 12.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,997,574 km

• M1: 125,662 km (0.091 R)
• M2: 863,928 km (0.102 R)
• M3: 1,602,193 km (0.072 R)
• M4: 2,039,767 km (0.072 R)
• M5: 3,388,691 km (0.105 R)
• M6: 3,756,103 km (0.112 R)
• M7: 4,339,685 km (0.036 R)
• M8: 5,297,261 km (0.093 R)
• M9: 6,620,753 km (0.096 R)
• M10: 7,001,779 km (0.102 R)
• M11: 7,372,333 km (0.064 R)
• M12: 8,397,377 km (0.099 R)
• M13: 9,102,731 km (0.101 R)
• M14: 9,574,563 km (0.106 R)
• M15: 9,939,133 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.1

Radius: 11.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.37 AU - 3.03 AU

Year: 2959 Days

Day: 7.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,997,574 km

• M1: 144,212 km (0.114 R)
• M2: 649,853 km (0.117 R)
• M3: 1,223,561 km (0.106 R)
• M4: 1,607,280 km (0.109 R)
• M5: 2,516,835 km (0.114 R)
• M6: 2,887,837 km (0.081 R)
• M7: 5,776,273 km (0.115 R)
• M8: 6,222,673 km (0.084 R)
• M9: 6,880,904 km (0.117 R)
• M10: 7,879,918 km (0.061 R)
• M11: 9,471,340 km (0.118 R)
• M12: 11,730,268 km (0.099 R)
• M13: 12,165,748 km (0.098 R)
• M14: 13,238,065 km (0.036 R)
• M15: 14,372,167 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.7

Radius: 12.7

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.9 AU - 4.16 AU

Year: 4423 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,997,574 km

• M1: 171,439 km (0.042 R)
• M2: 586,723 km (0.116 R)
• M3: 1,398,890 km (0.049 R)
• M4: 2,020,170 km (0.099 R)
• M5: 2,516,087 km (0.103 R)
• M6: 4,393,839 km (0.103 R)
• M7: 5,427,112 km (0.111 R)
• M8: 5,912,856 km (0.087 R)
• M9: 6,679,844 km (0.082 R)
• M10: 7,171,273 km (0.063 R)
• M11: 8,337,987 km (0.052 R)
• M12: 8,908,404 km (0.043 R)
• M13: 9,792,228 km (0.102 R)
• M14: 10,471,103 km (0.071 R)
• M15: 13,453,486 km (0.098 R)
• M16: 13,974,087 km (0.116 R)
• M17: 15,111,330 km (0.076 R)
• M18: 17,816,957 km (0.069 R)
• M19: 20,830,756 km (0.115 R)
• M20: 23,790,101 km (0.113 R)
• M21: 24,245,626 km (0.108 R)
• M22: 27,933,064 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 10.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.39 AU - 5.77 AU

Year: 7635 Days

Day: 13.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,997,574 km

• M1: 134,189 km (0.101 R)
• M2: 561,890 km (0.07 R)
• M3: 1,224,459 km (0.111 R)
• M4: 1,597,107 km (0.114 R)
• M5: 2,045,900 km (0.089 R)
• M6: 2,675,558 km (0.119 R)
• M7: 3,744,435 km (0.111 R)
• M8: 4,078,038 km (0.108 R)
• M9: 5,422,773 km (0.063 R)
• M10: 6,056,919 km (0.103 R)
• M11: 7,354,381 km (0.044 R)
• M12: 8,345,467 km (0.069 R)
• M13: 9,054,112 km (0.079 R)
• M14: 9,995,980 km (0.106 R)
• M15: 10,642,243 km (0.113 R)
• M16: 11,210,715 km (0.094 R)
• M17: 11,690,924 km (0.095 R)
• M18: 12,464,943 km (0.091 R)
• M19: 13,931,601 km (0.052 R)
• M20: 16,174,073 km (0.055 R)
• M21: 22,771,489 km (0.059 R)
• M22: 26,051,721 km (0.112 R)
• M23: 27,179,839 km (0.11 R)
• M24: 29,533,462 km (0.038 R)
• M25: 42,716,475 km (0.113 R)
• M26: 44,019,921 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.7

Radius: 5.4

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.08 AU - 8.5 AU

Year: 13126 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,997,574 km

• M1: 67,169 km (0.098 R)
• M2: 297,849 km (0.12 R)
• M3: 673,938 km (0.101 R)
• M4: 950,395 km (0.054 R)
• M5: 1,379,741 km (0.108 R)
• M6: 1,623,436 km (0.109 R)
• M7: 1,895,704 km (0.111 R)
• M8: 2,142,242 km (0.106 R)
• M9: 2,898,608 km (0.095 R)
• M10: 3,425,342 km (0.119 R)
• M11: 3,901,812 km (0.06 R)
• M12: 8,454,673 km (0.098 R)
• M13: 8,642,419 km (0.095 R)
• M14: 8,833,006 km (0.031 R)
• M15: 9,522,054 km (0.085 R)
• M16: 11,344,007 km (0.118 R)
• M17: 12,276,899 km (0.116 R)
• M18: 12,517,901 km (0.053 R)
• M19: 14,030,485 km (0.119 R)
• M20: 16,015,948 km (0.106 R)
• M21: 16,231,519 km (0.102 R)
• M22: 18,652,461 km (0.028 R)
• M23: 19,865,849 km (0.114 R)
• M24: 20,788,569 km (0.112 R)
• M25: 23,914,267 km (0.079 R)
• M26: 24,384,902 km (0.089 R)
• M27: 26,031,376 km (0.104 R)
• M28: 27,957,598 km (0.086 R)
• M29: 32,663,947 km (0.103 R)
• M30: 33,829,314 km (0.103 R)
• M31: 34,422,320 km (0.094 R)
• M32: 35,022,208 km (0.106 R)
• M33: 35,264,108 km (0.1 R)
• M34: 39,027,691 km (0.097 R)
• M35: 42,636,291 km (0.1 R)
• M36: 43,328,031 km (0.104 R)
• M37: 51,751,139 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.7

Radius: 7.1

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.43 AU - 9.33 AU

Year: 14751 Days

Day: 21.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,997,574 km

• M1: 88,412 km (0.109 R)
• M2: 376,089 km (0.094 R)
• M3: 758,162 km (0.101 R)
• M4: 1,670,709 km (0.115 R)
• M5: 2,453,405 km (0.092 R)
• M6: 3,877,726 km (0.099 R)
• M7: 5,594,661 km (0.086 R)
• M8: 7,999,297 km (0.094 R)
• M9: 8,731,280 km (0.072 R)
• M10: 9,191,443 km (0.039 R)
• M11: 9,507,094 km (0.101 R)
• M12: 10,669,470 km (0.082 R)
• M13: 12,554,104 km (0.091 R)
• M14: 13,541,300 km (0.103 R)
• M15: 14,157,793 km (0.102 R)
• M16: 15,299,973 km (0.105 R)
• M17: 16,579,633 km (0.073 R)
• M18: 19,695,008 km (0.075 R)
• M19: 20,220,097 km (0.105 R)
• M20: 20,486,232 km (0.119 R)
• M21: 23,083,251 km (0.066 R)
• M22: 28,142,351 km (0.09 R)
• M23: 32,056,879 km (0.107 R)
• M24: 32,661,554 km (0.116 R)
• M25: 34,774,474 km (0.087 R)
• M26: 36,319,670 km (0.118 R)
• M27: 54,366,559 km (0.055 R)
• M28: 59,843,487 km (0.095 R)
• M29: 60,759,923 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 14,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit