🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933

Radius: 8.9

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.7 AU - 0.78 AU

Year: 418 Days

Day: 5.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,706,543 km

• M1: 110,852 km (0.062 R)
• M2: 450,140 km (0.091 R)
• M3: 929,751 km (0.119 R)
• M4: 1,330,523 km (0.09 R)
• M5: 1,622,987 km (0.115 R)
• M6: 1,950,607 km (0.051 R)
• M7: 2,350,631 km (0.03 R)
• M8: 2,636,812 km (0.106 R)
• M9: 3,013,500 km (0.059 R)
• M10: 5,533,176 km (0.114 R)
• M11: 5,971,648 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 10.4

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.02 AU - 1.04 AU

Year: 686 Days

Day: 7.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,706,543 km

• M1: 129,402 km (0.111 R)
• M2: 562,937 km (0.05 R)
• M3: 887,564 km (0.098 R)
• M4: 1,804,450 km (0.101 R)
• M5: 2,207,915 km (0.08 R)
• M6: 3,199,150 km (0.081 R)
• M7: 3,940,707 km (0.118 R)
• M8: 5,937,689 km (0.111 R)
• M9: 6,377,656 km (0.067 R)
• M10: 7,924,199 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 8.5

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.34 AU - 1.72 AU

Year: 1241 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,706,543 km

• M1: 105,766 km (0.113 R)
• M2: 486,492 km (0.117 R)
• M3: 821,143 km (0.089 R)
• M4: 1,603,540 km (0.11 R)
• M5: 1,992,195 km (0.117 R)
• M6: 2,562,612 km (0.095 R)
• M7: 2,946,480 km (0.1 R)
• M8: 3,487,575 km (0.045 R)
• M9: 3,830,154 km (0.061 R)
• M10: 4,767,535 km (0.078 R)
• M11: 5,210,344 km (0.094 R)
• M12: 6,045,549 km (0.087 R)
• M13: 6,449,463 km (0.106 R)
• M14: 7,563,668 km (0.11 R)
• M15: 8,604,870 km (0.074 R)
• M16: 10,420,539 km (0.098 R)
• M17: 10,740,828 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 11.8

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.71 AU - 2.47 AU

Year: 1982 Days

Day: 12.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,706,543 km

• M1: 146,905 km (0.105 R)
• M2: 579,093 km (0.108 R)
• M3: 1,370,017 km (0.047 R)
• M4: 1,761,066 km (0.068 R)
• M5: 2,450,264 km (0.081 R)
• M6: 2,850,887 km (0.095 R)
• M7: 3,229,220 km (0.109 R)
• M8: 3,605,608 km (0.082 R)
• M9: 4,245,588 km (0.114 R)
• M10: 4,806,580 km (0.093 R)
• M11: 5,440,127 km (0.112 R)
• M12: 6,001,717 km (0.088 R)
• M13: 6,520,971 km (0.119 R)
• M14: 7,126,843 km (0.097 R)
• M15: 8,419,368 km (0.037 R)
• M16: 8,839,439 km (0.118 R)
• M17: 9,512,929 km (0.074 R)
• M18: 11,077,124 km (0.077 R)
• M19: 11,740,590 km (0.12 R)
• M20: 12,471,675 km (0.086 R)
• M21: 14,616,460 km (0.111 R)
• M22: 15,224,575 km (0.093 R)
• M23: 16,641,716 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.5

Radius: 11.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.2 AU - 4.94 AU

Year: 6409 Days

Day: 9 Hours

Environment

Temp: -204 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,706,543 km

• M1: 148,551 km (0.078 R)
• M2: 1,355,656 km (0.09 R)
• M3: 2,190,262 km (0.068 R)
• M4: 9,725,507 km (0.056 R)
• M5: 10,533,784 km (0.066 R)
• M6: 12,422,757 km (0.069 R)
• M7: 14,944,229 km (0.063 R)
• M8: 18,690,459 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.9

Radius: 6.9

Gravity: 18.19 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.26 AU - 9.28 AU

Year: 15602 Days

Day: 16.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,706,543 km

• M1: 85,869 km (0.101 R)
• M2: 302,487 km (0.078 R)
• M3: 768,185 km (0.115 R)
• M4: 1,048,382 km (0.042 R)
• M5: 1,487,003 km (0.076 R)
• M6: 2,220,930 km (0.087 R)
• M7: 2,542,865 km (0.038 R)
• M8: 2,822,613 km (0.109 R)
• M9: 3,096,975 km (0.038 R)
• M10: 3,584,365 km (0.116 R)
• M11: 6,263,214 km (0.092 R)
• M12: 7,642,955 km (0.098 R)
• M13: 10,219,330 km (0.05 R)
• M14: 10,808,297 km (0.069 R)
• M15: 11,050,196 km (0.095 R)
• M16: 11,544,767 km (0.091 R)
• M17: 13,742,060 km (0.085 R)
• M18: 15,505,221 km (0.068 R)
• M19: 17,496,817 km (0.085 R)
• M20: 18,083,690 km (0.119 R)
• M21: 20,104,458 km (0.101 R)
• M22: 20,378,671 km (0.089 R)
• M23: 23,866,994 km (0.038 R)
• M24: 24,174,567 km (0.11 R)
• M25: 28,416,564 km (0.085 R)
• M26: 29,461,356 km (0.068 R)
• M27: 31,137,301 km (0.042 R)
• M28: 34,940,677 km (0.116 R)
• M29: 36,953,666 km (0.108 R)
• M30: 37,641,517 km (0.076 R)
• M31: 37,919,021 km (0.117 R)
• M32: 41,503,984 km (0.106 R)
• M33: 44,684,734 km (0.106 R)
• M34: 51,868,873 km (0.056 R)
• M35: 52,384,986 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.8

Radius: 3.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.14 AU - 10.62 AU

Year: 17359 Days

Day: 20.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,706,543 km

• M1: 154,385 km (0.055 R)
• M2: 794,963 km (0.103 R)
• M3: 2,464,924 km (0.11 R)
• M4: 4,414,184 km (0.096 R)
• M5: 5,208,848 km (0.119 R)
• M6: 7,953,670 km (0.045 R)
• M7: 8,792,615 km (0.043 R)
• M8: 9,612,112 km (0.1 R)
• M9: 21,493,773 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.2

Radius: 6.8

Gravity: 17.37 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.77 AU - 9.89 AU

Year: 18695 Days

Day: 21.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,706,543 km

• M1: 84,523 km (0.108 R)
• M2: 386,860 km (0.075 R)
• M3: 635,342 km (0.093 R)
• M4: 911,649 km (0.064 R)
• M5: 1,325,437 km (0.071 R)
• M6: 1,730,847 km (0.113 R)
• M7: 3,285,917 km (0.109 R)
• M8: 3,689,383 km (0.105 R)
• M9: 4,594,899 km (0.084 R)
• M10: 4,951,690 km (0.043 R)
• M11: 6,791,145 km (0.097 R)
• M12: 8,505,537 km (0.088 R)
• M13: 9,662,377 km (0.045 R)
• M14: 10,672,761 km (0.098 R)
• M15: 12,284,379 km (0.084 R)
• M16: 12,693,978 km (0.062 R)
• M17: 15,424,438 km (0.115 R)
• M18: 17,390,902 km (0.105 R)
• M19: 19,335,076 km (0.078 R)
• M20: 19,796,286 km (0.093 R)
• M21: 20,740,847 km (0.066 R)
• M22: 24,604,661 km (0.108 R)
• M23: 30,882,536 km (0.064 R)
• M24: 33,985,943 km (0.07 R)
• M25: 43,896,054 km (0.049 R)
• M26: 44,692,513 km (0.112 R)
• M27: 45,013,850 km (0.114 R)
• M28: 50,193,227 km (0.114 R)
• M29: 53,195,357 km (0.064 R)
• M30: 57,066,651 km (0.057 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 15,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit