🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 13

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.63 AU - 1.05 AU

Year: 531 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,355,083 km

• M1: 165,306 km (0.031 R)
• M2: 577,149 km (0.116 R)
• M3: 1,038,508 km (0.061 R)
• M4: 1,471,445 km (0.11 R)
• M5: 1,938,788 km (0.048 R)
• M6: 2,712,060 km (0.087 R)
• M7: 3,534,399 km (0.111 R)
• M8: 5,589,425 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606

Radius: 8.4

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.38 AU - 1.88 AU

Year: 1436 Days

Day: 8.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,355,083 km

• M1: 104,719 km (0.094 R)
• M2: 391,198 km (0.062 R)
• M3: 785,838 km (0.075 R)
• M4: 1,092,663 km (0.105 R)
• M5: 1,659,639 km (0.104 R)
• M6: 1,957,339 km (0.096 R)
• M7: 2,559,171 km (0.104 R)
• M8: 3,087,401 km (0.079 R)
• M9: 3,431,925 km (0.086 R)
• M10: 4,379,178 km (0.109 R)
• M11: 5,033,819 km (0.081 R)
• M12: 5,818,609 km (0.059 R)
• M13: 6,159,094 km (0.097 R)
• M14: 6,682,537 km (0.096 R)
• M15: 7,522,978 km (0.105 R)
• M16: 10,269,894 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.1

Radius: 9.9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.92 AU - 4.28 AU

Year: 4715 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,355,083 km

• M1: 123,119 km (0.095 R)
• M2: 531,372 km (0.037 R)
• M3: 953,986 km (0.05 R)
• M4: 1,387,221 km (0.076 R)
• M5: 1,870,123 km (0.072 R)
• M6: 2,384,141 km (0.083 R)
• M7: 3,369,542 km (0.082 R)
• M8: 6,272,788 km (0.099 R)
• M9: 7,027,659 km (0.075 R)
• M10: 7,876,926 km (0.05 R)
• M11: 8,418,620 km (0.06 R)
• M12: 10,320,159 km (0.045 R)
• M13: 13,179,124 km (0.085 R)
• M14: 13,685,213 km (0.102 R)
• M15: 14,468,358 km (0.055 R)
• M16: 16,354,189 km (0.103 R)
• M17: 18,460,826 km (0.062 R)
• M18: 20,138,716 km (0.084 R)
• M19: 21,845,627 km (0.111 R)
• M20: 22,340,348 km (0.065 R)
• M21: 23,944,037 km (0.071 R)
• M22: 25,003,788 km (0.103 R)
• M23: 26,252,781 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.8

Radius: 12.7

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.5 AU - 4.4 AU

Year: 5419 Days

Day: 14.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,355,083 km

• M1: 158,723 km (0.107 R)
• M2: 565,031 km (0.107 R)
• M3: 1,033,272 km (0.091 R)
• M4: 1,906,326 km (0.077 R)
• M5: 2,754,546 km (0.067 R)
• M6: 3,286,815 km (0.06 R)
• M7: 3,817,139 km (0.071 R)
• M8: 4,277,003 km (0.117 R)
• M9: 5,637,446 km (0.098 R)
• M10: 7,940,505 km (0.091 R)
• M11: 9,110,211 km (0.11 R)
• M12: 12,247,877 km (0.116 R)
• M13: 13,092,357 km (0.082 R)
• M14: 14,662,985 km (0.095 R)
• M15: 18,514,532 km (0.068 R)
• M16: 18,995,788 km (0.063 R)
• M17: 19,626,792 km (0.086 R)
• M18: 22,601,994 km (0.079 R)
• M19: 23,390,225 km (0.105 R)
• M20: 24,855,387 km (0.12 R)
• M21: 30,181,969 km (0.099 R)
• M22: 30,945,367 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.1

Radius: 14.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.03 AU - 4.15 AU

Year: 5709 Days

Day: 10.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,355,083 km

• M1: 178,620 km (0.104 R)
• M2: 686,804 km (0.118 R)
• M3: 1,304,493 km (0.069 R)
• M4: 1,995,935 km (0.038 R)
• M5: 2,453,854 km (0.113 R)
• M6: 6,330,533 km (0.057 R)
• M7: 7,595,084 km (0.087 R)
• M8: 8,772,419 km (0.054 R)
• M9: 11,939,107 km (0.078 R)
• M10: 12,823,529 km (0.066 R)
• M11: 15,496,694 km (0.091 R)
• M12: 16,360,173 km (0.114 R)
• M13: 18,386,177 km (0.099 R)
• M14: 21,922,222 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.3

Radius: 13.8

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.18 AU - 5.28 AU

Year: 7101 Days

Day: 6.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,355,083 km

• M1: 171,738 km (0.092 R)
• M2: 617,540 km (0.104 R)
• M3: 1,228,498 km (0.098 R)
• M4: 1,722,619 km (0.106 R)
• M5: 2,284,509 km (0.059 R)
• M6: 3,232,062 km (0.11 R)
• M7: 4,147,152 km (0.092 R)
• M8: 4,720,561 km (0.069 R)
• M9: 6,977,095 km (0.093 R)
• M10: 11,445,883 km (0.113 R)
• M11: 15,678,006 km (0.096 R)
• M12: 18,142,631 km (0.101 R)
• M13: 21,383,220 km (0.104 R)
• M14: 21,919,828 km (0.103 R)
• M15: 22,623,088 km (0.042 R)
• M16: 25,416,229 km (0.087 R)
• M17: 26,895,603 km (0.086 R)
• M18: 30,313,166 km (0.025 R)
• M19: 32,881,313 km (0.086 R)
• M20: 33,803,135 km (0.061 R)
• M21: 35,913,362 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.1

Radius: 14.3

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.41 AU - 5.35 AU

Year: 7441 Days

Day: 10.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,355,083 km

• M1: 177,872 km (0.111 R)
• M2: 849,566 km (0.108 R)
• M3: 1,425,967 km (0.098 R)
• M4: 2,866,744 km (0.04 R)
• M5: 3,430,130 km (0.097 R)
• M6: 4,353,298 km (0.043 R)
• M7: 4,967,248 km (0.082 R)
• M8: 5,697,136 km (0.107 R)
• M9: 6,692,710 km (0.097 R)
• M10: 11,200,692 km (0.074 R)
• M11: 13,916,043 km (0.09 R)
• M12: 18,640,343 km (0.111 R)
• M13: 22,054,915 km (0.087 R)
• M14: 22,950,707 km (0.085 R)
• M15: 23,407,728 km (0.07 R)
• M16: 25,055,250 km (0.077 R)
• M17: 26,113,056 km (0.091 R)
• M18: 27,370,576 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 11.3

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.77 AU - 6.19 AU

Year: 8855 Days

Day: 13.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,355,083 km

• M1: 258,804 km (0.108 R)
• M2: 1,531,733 km (0.098 R)
• M3: 1,982,321 km (0.103 R)
• M4: 3,396,769 km (0.117 R)
• M5: 4,008,625 km (0.117 R)
• M6: 5,199,872 km (0.101 R)
• M7: 6,911,422 km (0.098 R)
• M8: 8,043,578 km (0.114 R)
• M9: 9,091,811 km (0.047 R)
• M10: 10,628,031 km (0.104 R)
• M11: 11,552,995 km (0.069 R)
• M12: 20,906,153 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.3

Radius: 3.7

Gravity: 42.02 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.45 AU - 7.03 AU

Year: 9492 Days

Day: 19.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,355,083 km

• M1: 54,454 km (0.096 R)
• M2: 181,761 km (0.086 R)
• M3: 612,304 km (0.071 R)
• M4: 924,066 km (0.095 R)
• M5: 1,177,634 km (0.106 R)
• M6: 2,497,536 km (0.081 R)
• M7: 2,694,557 km (0.077 R)
• M8: 3,467,080 km (0.115 R)
• M9: 5,500,265 km (0.081 R)
• M10: 8,126,755 km (0.057 R)
• M11: 8,428,194 km (0.06 R)
• M12: 8,692,384 km (0.12 R)
• M13: 10,344,992 km (0.082 R)
• M14: 13,052,414 km (0.085 R)
• M15: 13,406,064 km (0.081 R)
• M16: 13,525,443 km (0.099 R)
• M17: 14,820,960 km (0.047 R)
• M18: 19,200,438 km (0.061 R)
• M19: 27,127,779 km (0.106 R)
• M20: 36,636,219 km (0.104 R)
• M21: 39,014,077 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.7

Radius: 4

Gravity: 43.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.19 AU - 10.17 AU

Year: 19199 Days

Day: 20.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 74,355,083 km

• M1: 51,013 km (0.092 R)
• M2: 310,715 km (0.041 R)
• M3: 527,931 km (0.059 R)
• M4: 1,142,479 km (0.092 R)
• M5: 1,680,882 km (0.096 R)
• M6: 2,137,305 km (0.112 R)
• M7: 2,553,636 km (0.106 R)
• M8: 2,868,390 km (0.043 R)
• M9: 3,487,725 km (0.085 R)
• M10: 3,813,549 km (0.099 R)
• M11: 10,317,915 km (0.12 R)
• M12: 11,880,614 km (0.108 R)
• M13: 13,883,131 km (0.076 R)
• M14: 15,155,760 km (0.093 R)
• M15: 15,939,803 km (0.104 R)
• M16: 17,249,682 km (0.065 R)
• M17: 19,346,445 km (0.088 R)
• M18: 21,122,322 km (0.118 R)
• M19: 22,498,323 km (0.096 R)
• M20: 22,800,660 km (0.117 R)
• M21: 25,102,074 km (0.098 R)
• M22: 25,536,506 km (0.053 R)
• M23: 26,644,428 km (0.038 R)
• M24: 27,668,725 km (0.115 R)
• M25: 28,600,869 km (0.089 R)
• M26: 30,527,689 km (0.102 R)
• M27: 32,411,127 km (0.104 R)
• M28: 32,667,986 km (0.087 R)
• M29: 36,964,138 km (0.06 R)
• M30: 37,385,256 km (0.116 R)
• M31: 38,811,821 km (0.096 R)
• M32: 41,925,252 km (0.097 R)
• M33: 44,723,031 km (0.1 R)
• M34: 46,655,686 km (0.108 R)
• M35: 50,686,751 km (0.078 R)
• M36: 52,432,707 km (0.108 R)
• M37: 54,943,857 km (0.079 R)
• M38: 55,126,217 km (0.079 R)
• M39: 57,533,845 km (0.108 R)
• M40: 59,241,206 km (0.065 R)
• M41: 60,982,076 km (0.094 R)
• M42: 61,373,424 km (0.116 R)
• M43: 73,246,109 km (0.079 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 13,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit