🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.6

Radius: 13.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.63 AU - 0.71 AU

Year: 366 Days

Day: 10.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,429,761 km

• M1: 166,502 km (0.082 R)
• M2: 597,943 km (0.12 R)
• M3: 1,151,455 km (0.11 R)
• M4: 1,584,541 km (0.09 R)
• M5: 2,337,018 km (0.042 R)
• M6: 3,237,597 km (0.107 R)
• M7: 3,813,100 km (0.083 R)
• M8: 4,344,173 km (0.09 R)
• M9: 4,894,244 km (0.117 R)
• M10: 5,655,398 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 12.6

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.18 AU - 1.7 AU

Year: 1152 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,429,761 km

• M1: 157,078 km (0.094 R)
• M2: 562,039 km (0.054 R)
• M3: 979,268 km (0.069 R)
• M4: 1,483,113 km (0.047 R)
• M5: 1,895,255 km (0.034 R)
• M6: 3,119,415 km (0.084 R)
• M7: 4,400,870 km (0.099 R)
• M8: 4,873,749 km (0.102 R)
• M9: 5,396,145 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 13.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.86 AU - 2.28 AU

Year: 1986 Days

Day: 11.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,429,761 km

• M1: 172,935 km (0.109 R)
• M2: 938,727 km (0.034 R)
• M3: 1,502,711 km (0.066 R)
• M4: 2,083,749 km (0.094 R)
• M5: 2,739,436 km (0.111 R)
• M6: 3,218,748 km (0.08 R)
• M7: 4,198,763 km (0.12 R)
• M8: 5,272,128 km (0.097 R)
• M9: 5,749,944 km (0.114 R)
• M10: 6,633,469 km (0.112 R)
• M11: 8,061,829 km (0.114 R)
• M12: 9,657,291 km (0.084 R)
• M13: 10,192,851 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.4

Radius: 12.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.71 AU - 2.61 AU

Year: 2117 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 65.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,429,761 km

• M1: 158,125 km (0.107 R)
• M2: 617,540 km (0.103 R)
• M3: 1,092,513 km (0.11 R)
• M4: 1,489,845 km (0.045 R)
• M5: 1,962,874 km (0.059 R)
• M6: 2,399,849 km (0.057 R)
• M7: 3,388,392 km (0.093 R)
• M8: 4,782,046 km (0.115 R)
• M9: 5,705,812 km (0.099 R)
• M10: 6,500,925 km (0.063 R)
• M11: 8,061,081 km (0.08 R)
• M12: 8,471,428 km (0.081 R)
• M13: 8,928,899 km (0.078 R)
• M14: 9,368,567 km (0.083 R)
• M15: 10,109,375 km (0.113 R)
• M16: 14,644,136 km (0.076 R)
• M17: 16,483,142 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.2

Radius: 8.7

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.07 AU - 2.67 AU

Year: 2433 Days

Day: 9 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,429,761 km

• M1: 108,309 km (0.094 R)
• M2: 607,218 km (0.118 R)
• M3: 953,686 km (0.106 R)
• M4: 1,314,367 km (0.075 R)
• M5: 1,991,746 km (0.097 R)
• M6: 3,722,743 km (0.096 R)
• M7: 7,297,085 km (0.076 R)
• M8: 9,341,639 km (0.118 R)
• M9: 10,587,939 km (0.107 R)
• M10: 11,901,259 km (0.08 R)
• M11: 13,802,199 km (0.108 R)
• M12: 15,751,309 km (0.052 R)
• M13: 17,199,866 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.2

Radius: 11.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.77 AU - 6.23 AU

Year: 7456 Days

Day: 13.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,429,761 km

• M1: 140,472 km (0.081 R)
• M2: 542,143 km (0.107 R)
• M3: 1,259,165 km (0.089 R)
• M4: 1,635,703 km (0.11 R)
• M5: 2,226,016 km (0.092 R)
• M6: 2,695,305 km (0.061 R)
• M7: 3,169,680 km (0.104 R)
• M8: 4,116,784 km (0.09 R)
• M9: 7,249,662 km (0.1 R)
• M10: 11,413,420 km (0.073 R)
• M11: 11,951,823 km (0.081 R)
• M12: 13,238,215 km (0.115 R)
• M13: 13,997,873 km (0.06 R)
• M14: 15,963,738 km (0.116 R)
• M15: 18,571,229 km (0.085 R)
• M16: 18,975,293 km (0.025 R)
• M17: 20,364,908 km (0.056 R)
• M18: 20,866,809 km (0.073 R)
• M19: 22,346,780 km (0.115 R)
• M20: 22,727,357 km (0.078 R)
• M21: 27,727,217 km (0.053 R)
• M22: 28,433,020 km (0.113 R)
• M23: 28,790,409 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.2

Radius: 6.9

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.53 AU - 7.07 AU

Year: 9315 Days

Day: 19.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,429,761 km

• M1: 87,216 km (0.088 R)
• M2: 383,569 km (0.042 R)
• M3: 674,537 km (0.088 R)
• M4: 944,561 km (0.079 R)
• M5: 1,430,754 km (0.054 R)
• M6: 1,766,751 km (0.08 R)
• M7: 2,221,678 km (0.039 R)
• M8: 2,541,518 km (0.097 R)
• M9: 2,912,222 km (0.116 R)
• M10: 3,363,259 km (0.114 R)
• M11: 3,617,725 km (0.1 R)
• M12: 4,541,642 km (0.038 R)
• M13: 5,178,629 km (0.081 R)
• M14: 7,256,095 km (0.061 R)
• M15: 7,603,611 km (0.099 R)
• M16: 8,166,249 km (0.075 R)
• M17: 8,500,001 km (0.051 R)
• M18: 9,464,908 km (0.094 R)
• M19: 10,647,778 km (0.103 R)
• M20: 11,454,709 km (0.079 R)
• M21: 12,193,573 km (0.073 R)
• M22: 13,076,499 km (0.1 R)
• M23: 13,533,671 km (0.051 R)
• M24: 13,942,372 km (0.119 R)
• M25: 15,596,027 km (0.088 R)
• M26: 16,240,494 km (0.096 R)
• M27: 17,308,174 km (0.026 R)
• M28: 18,779,619 km (0.084 R)
• M29: 19,508,909 km (0.098 R)
• M30: 20,946,095 km (0.114 R)
• M31: 24,029,906 km (0.025 R)
• M32: 25,326,172 km (0.102 R)
• M33: 26,577,558 km (0.112 R)
• M34: 27,126,283 km (0.06 R)
• M35: 30,979,176 km (0.067 R)
• M36: 32,305,959 km (0.114 R)
• M37: 35,291,334 km (0.037 R)
• M38: 36,065,503 km (0.101 R)
• M39: 39,393,458 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.8

Radius: 4.9

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.27 AU - 6.61 AU

Year: 10898 Days

Day: 23 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,429,761 km

• M1: 61,485 km (0.102 R)
• M2: 214,972 km (0.083 R)
• M3: 432,936 km (0.069 R)
• M4: 1,236,875 km (0.072 R)
• M5: 1,671,008 km (0.096 R)
• M6: 2,623,947 km (0.116 R)
• M7: 2,835,328 km (0.079 R)
• M8: 3,037,286 km (0.05 R)
• M9: 3,918,267 km (0.107 R)
• M10: 6,475,045 km (0.088 R)
• M11: 7,115,922 km (0.069 R)
• M12: 7,566,212 km (0.077 R)
• M13: 8,358,332 km (0.071 R)
• M14: 9,875,404 km (0.115 R)
• M15: 11,926,989 km (0.087 R)
• M16: 13,274,118 km (0.106 R)
• M17: 14,363,490 km (0.045 R)
• M18: 15,142,446 km (0.098 R)
• M19: 16,395,029 km (0.091 R)
• M20: 17,179,071 km (0.071 R)
• M21: 18,540,562 km (0.117 R)
• M22: 21,476,570 km (0.083 R)
• M23: 21,942,118 km (0.113 R)
• M24: 23,216,393 km (0.086 R)
• M25: 23,954,509 km (0.083 R)
• M26: 25,048,069 km (0.1 R)
• M27: 26,973,842 km (0.038 R)
• M28: 28,064,710 km (0.114 R)
• M29: 31,117,105 km (0.049 R)
• M30: 32,215,453 km (0.085 R)
• M31: 32,927,688 km (0.111 R)
• M32: 35,127,375 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.4

Radius: 4.3

Gravity: 53.24 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.36 AU - 9.6 AU

Year: 16467 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,429,761 km

• M1: 54,454 km (0.066 R)
• M2: 312,959 km (0.1 R)
• M3: 731,833 km (0.112 R)
• M4: 1,108,520 km (0.057 R)
• M5: 1,743,862 km (0.057 R)
• M6: 2,028,248 km (0.089 R)
• M7: 2,277,328 km (0.084 R)
• M8: 3,540,982 km (0.104 R)
• M9: 6,518,278 km (0.108 R)
• M10: 8,867,264 km (0.076 R)
• M11: 11,402,798 km (0.117 R)
• M12: 11,660,705 km (0.049 R)
• M13: 12,731,527 km (0.109 R)
• M14: 13,648,562 km (0.096 R)
• M15: 14,760,224 km (0.093 R)
• M16: 19,444,731 km (0.09 R)
• M17: 20,945,347 km (0.106 R)
• M18: 26,129,811 km (0.098 R)
• M19: 27,145,581 km (0.105 R)
• M20: 27,837,321 km (0.091 R)
• M21: 28,304,964 km (0.074 R)
• M22: 33,141,912 km (0.078 R)
• M23: 37,216,958 km (0.115 R)
• M24: 38,936,287 km (0.094 R)
• M25: 43,621,692 km (0.052 R)
• M26: 47,497,025 km (0.04 R)
• M27: 48,164,381 km (0.071 R)
• M28: 50,896,786 km (0.101 R)
• M29: 53,550,503 km (0.095 R)
• M30: 57,985,780 km (0.087 R)
• M31: 59,710,345 km (0.102 R)
• M32: 63,261,200 km (0.054 R)
• M33: 66,950,133 km (0.063 R)
• M34: 68,211,094 km (0.065 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: 229 - 12,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit