🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.2

Radius: 14.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.4 AU - 0.66 AU

Year: 266 Days

Day: 12.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,793,082 km

• M1: 185,202 km (0.03 R)
• M2: 647,609 km (0.061 R)
• M3: 1,129,763 km (0.117 R)
• M4: 1,739,374 km (0.066 R)
• M5: 2,542,715 km (0.109 R)
• M6: 3,082,464 km (0.117 R)
• M7: 3,730,672 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.4

Radius: 13.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.87 AU - 1.35 AU

Year: 807 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,793,082 km

• M1: 165,455 km (0.058 R)
• M2: 649,255 km (0.087 R)
• M3: 1,243,308 km (0.06 R)
• M4: 1,766,302 km (0.088 R)
• M5: 2,201,632 km (0.12 R)
• M6: 3,171,624 km (0.063 R)
• M7: 3,686,690 km (0.108 R)
• M8: 4,124,114 km (0.066 R)
• M9: 4,821,240 km (0.038 R)
• M10: 5,416,640 km (0.12 R)
• M11: 6,411,765 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 14

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.95 AU - 1.31 AU

Year: 829 Days

Day: 11 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,793,082 km

• M1: 174,132 km (0.047 R)
• M2: 697,724 km (0.094 R)
• M3: 1,252,583 km (0.062 R)
• M4: 2,188,318 km (0.12 R)
• M5: 2,944,984 km (0.109 R)
• M6: 3,771,512 km (0.048 R)
• M7: 4,473,126 km (0.085 R)
• M8: 5,772,533 km (0.063 R)
• M9: 6,665,483 km (0.089 R)
• M10: 7,156,313 km (0.071 R)
• M11: 7,997,053 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 11.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.94 AU - 1.44 AU

Year: 896 Days

Day: 7.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,793,082 km

• M1: 148,251 km (0.114 R)
• M2: 572,810 km (0.034 R)
• M3: 1,046,587 km (0.058 R)
• M4: 1,487,452 km (0.103 R)
• M5: 2,003,564 km (0.051 R)
• M6: 2,453,255 km (0.116 R)
• M7: 3,090,842 km (0.105 R)
• M8: 4,378,879 km (0.086 R)
• M9: 5,002,852 km (0.066 R)
• M10: 5,451,197 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 12.7

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.07 AU - 4.37 AU

Year: 4953 Days

Day: 13.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,793,082 km

• M1: 162,014 km (0.091 R)
• M2: 681,717 km (0.074 R)
• M3: 1,084,585 km (0.099 R)
• M4: 1,918,742 km (0.116 R)
• M5: 2,676,007 km (0.086 R)
• M6: 3,306,113 km (0.071 R)
• M7: 4,679,421 km (0.091 R)
• M8: 5,336,156 km (0.118 R)
• M9: 5,898,943 km (0.045 R)
• M10: 6,306,597 km (0.114 R)
• M11: 6,902,296 km (0.072 R)
• M12: 8,636,435 km (0.047 R)
• M13: 9,122,329 km (0.095 R)
• M14: 9,712,343 km (0.116 R)
• M15: 12,330,754 km (0.087 R)
• M16: 13,748,044 km (0.108 R)
• M17: 17,409,901 km (0.074 R)
• M18: 20,372,986 km (0.057 R)
• M19: 22,805,298 km (0.078 R)
• M20: 24,131,034 km (0.116 R)
• M21: 25,425,056 km (0.101 R)
• M22: 28,683,447 km (0.097 R)
• M23: 29,951,139 km (0.05 R)
• M24: 31,445,173 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.8

Radius: 11.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.67 AU - 4.21 AU

Year: 5398 Days

Day: 11.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,793,082 km

• M1: 140,472 km (0.094 R)
• M2: 795,113 km (0.071 R)
• M3: 1,378,844 km (0.114 R)
• M4: 2,933,465 km (0.083 R)
• M5: 3,354,732 km (0.072 R)
• M6: 4,489,283 km (0.111 R)
• M7: 5,952,499 km (0.072 R)
• M8: 7,124,449 km (0.035 R)
• M9: 7,890,689 km (0.093 R)
• M10: 10,565,499 km (0.052 R)
• M11: 12,131,340 km (0.083 R)
• M12: 14,598,059 km (0.075 R)
• M13: 15,095,323 km (0.052 R)
• M14: 16,655,180 km (0.097 R)
• M15: 17,137,334 km (0.081 R)
• M16: 21,336,546 km (0.094 R)
• M17: 28,506,173 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.7

Radius: 14.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.34 AU - 5.12 AU

Year: 7101 Days

Day: 13 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,793,082 km

• M1: 191,186 km (0.099 R)
• M2: 701,614 km (0.081 R)
• M3: 1,424,321 km (0.104 R)
• M4: 2,512,646 km (0.092 R)
• M5: 3,457,805 km (0.064 R)
• M6: 4,466,244 km (0.101 R)
• M7: 4,967,547 km (0.105 R)
• M8: 7,866,305 km (0.083 R)
• M9: 10,256,879 km (0.113 R)
• M10: 12,330,006 km (0.053 R)
• M11: 15,035,334 km (0.044 R)
• M12: 15,532,448 km (0.112 R)
• M13: 17,427,404 km (0.115 R)
• M14: 17,976,279 km (0.037 R)
• M15: 19,180,990 km (0.097 R)
• M16: 20,742,792 km (0.079 R)
• M17: 24,543,326 km (0.039 R)
• M18: 29,263,737 km (0.059 R)
• M19: 30,532,177 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.5

Radius: 5

Gravity: 20.62 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.78 AU - 6.68 AU

Year: 10734 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,793,082 km

• M1: 62,233 km (0.078 R)
• M2: 225,594 km (0.101 R)
• M3: 855,251 km (0.114 R)
• M4: 2,069,986 km (0.099 R)
• M5: 2,626,490 km (0.114 R)
• M6: 3,027,412 km (0.085 R)
• M7: 4,534,012 km (0.103 R)
• M8: 4,892,449 km (0.109 R)
• M9: 6,742,825 km (0.094 R)
• M10: 7,209,570 km (0.088 R)
• M11: 7,532,552 km (0.055 R)
• M12: 9,153,445 km (0.116 R)
• M13: 10,020,215 km (0.104 R)
• M14: 12,481,848 km (0.11 R)
• M15: 14,991,502 km (0.109 R)
• M16: 15,920,205 km (0.101 R)
• M17: 18,259,916 km (0.034 R)
• M18: 18,708,560 km (0.061 R)
• M19: 20,738,154 km (0.071 R)
• M20: 25,321,085 km (0.096 R)
• M21: 34,913,749 km (0.106 R)
• M22: 36,187,276 km (0.118 R)
• M23: 40,193,208 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.7

Radius: 6.3

Gravity: 24.43 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.8 AU - 9.3 AU

Year: 14320 Days

Day: 16.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,793,082 km

• M1: 78,389 km (0.079 R)
• M2: 308,920 km (0.119 R)
• M3: 729,140 km (0.106 R)
• M4: 1,107,473 km (0.081 R)
• M5: 1,306,588 km (0.093 R)
• M6: 1,609,972 km (0.096 R)
• M7: 2,401,345 km (0.08 R)
• M8: 2,762,773 km (0.111 R)
• M9: 3,372,235 km (0.118 R)
• M10: 4,351,802 km (0.103 R)
• M11: 4,854,750 km (0.112 R)
• M12: 8,564,478 km (0.047 R)
• M13: 10,892,670 km (0.095 R)
• M14: 12,331,352 km (0.108 R)
• M15: 17,483,354 km (0.041 R)
• M16: 19,892,627 km (0.073 R)
• M17: 23,908,283 km (0.097 R)
• M18: 25,253,018 km (0.084 R)
• M19: 26,212,988 km (0.058 R)
• M20: 29,354,842 km (0.101 R)
• M21: 31,258,475 km (0.066 R)
• M22: 32,739,045 km (0.114 R)
• M23: 33,116,481 km (0.076 R)
• M24: 41,139,714 km (0.065 R)
• M25: 42,021,593 km (0.074 R)
• M26: 43,066,385 km (0.06 R)
• M27: 45,832,449 km (0.069 R)
• M28: 48,064,001 km (0.098 R)
• M29: 49,371,037 km (0.104 R)
• M30: 51,545,442 km (0.096 R)
• M31: 51,885,478 km (0.111 R)
• M32: 53,434,564 km (0.059 R)
• M33: 54,660,369 km (0.095 R)
• M34: 57,898,415 km (0.11 R)
• M35: 62,219,101 km (0.112 R)
• M36: 65,746,768 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.4

Radius: 7.5

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.21 AU - 10.01 AU

Year: 17439 Days

Day: 19.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,793,082 km

• M1: 106,813 km (0.113 R)
• M2: 350,059 km (0.11 R)
• M3: 876,195 km (0.077 R)
• M4: 1,170,005 km (0.055 R)
• M5: 1,454,989 km (0.066 R)
• M6: 2,167,075 km (0.046 R)
• M7: 3,192,568 km (0.117 R)
• M8: 3,588,404 km (0.064 R)
• M9: 4,166,600 km (0.075 R)
• M10: 6,941,042 km (0.056 R)
• M11: 7,202,240 km (0.106 R)
• M12: 8,459,460 km (0.094 R)
• M13: 9,062,789 km (0.059 R)
• M14: 9,427,807 km (0.097 R)
• M15: 10,076,314 km (0.099 R)
• M16: 11,163,442 km (0.074 R)
• M17: 15,254,345 km (0.093 R)
• M18: 15,771,206 km (0.096 R)
• M19: 18,951,058 km (0.064 R)
• M20: 21,691,542 km (0.114 R)
• M21: 22,534,226 km (0.052 R)
• M22: 26,544,796 km (0.107 R)
• M23: 27,292,336 km (0.087 R)
• M24: 31,835,773 km (0.085 R)
• M25: 32,316,132 km (0.079 R)
• M26: 40,252,748 km (0.11 R)
• M27: 44,593,330 km (0.083 R)
• M28: 45,801,482 km (0.112 R)
• M29: 46,876,343 km (0.12 R)
• M30: 54,020,390 km (0.117 R)
• M31: 54,361,473 km (0.104 R)
• M32: 62,793,108 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 12,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit