🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.8

Radius: 14.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.81 AU - 0.89 AU

Year: 506 Days

Day: 8 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,047,165 km

• M1: 180,116 km (0.108 R)
• M2: 643,869 km (0.088 R)
• M3: 1,246,898 km (0.072 R)
• M4: 1,820,756 km (0.087 R)
• M5: 2,560,218 km (0.092 R)
• M6: 3,144,098 km (0.113 R)
• M7: 4,159,270 km (0.092 R)
• M8: 4,751,677 km (0.105 R)
• M9: 5,588,677 km (0.118 R)
• M10: 6,070,382 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.5

Radius: 11.9

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.9 AU - 1.32 AU

Year: 755 Days

Day: 8.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,047,165 km

• M1: 147,952 km (0.112 R)
• M2: 555,906 km (0.108 R)
• M3: 943,364 km (0.075 R)
• M4: 1,528,292 km (0.114 R)
• M5: 2,336,569 km (0.088 R)
• M6: 2,710,265 km (0.11 R)
• M7: 3,209,922 km (0.097 R)
• M8: 3,909,890 km (0.1 R)
• M9: 4,349,708 km (0.045 R)
• M10: 4,954,532 km (0.072 R)
• M11: 5,329,723 km (0.068 R)
• M12: 5,816,365 km (0.102 R)
• M13: 6,195,745 km (0.112 R)
• M14: 6,652,617 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 11.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.17 AU - 1.34 AU

Year: 902 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,047,165 km

• M1: 147,952 km (0.112 R)
• M2: 600,037 km (0.099 R)
• M3: 1,096,552 km (0.109 R)
• M4: 1,473,689 km (0.101 R)
• M5: 1,847,683 km (0.116 R)
• M6: 2,403,739 km (0.07 R)
• M7: 2,855,225 km (0.119 R)
• M8: 3,474,710 km (0.118 R)
• M9: 4,311,859 km (0.059 R)
• M10: 5,056,258 km (0.107 R)
• M11: 5,904,778 km (0.066 R)
• M12: 6,406,379 km (0.049 R)
• M13: 6,868,337 km (0.037 R)
• M14: 7,258,638 km (0.117 R)
• M15: 8,338,286 km (0.102 R)
• M16: 8,729,933 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.4

Radius: 10.5

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.71 AU - 2.03 AU

Year: 1651 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,047,165 km

• M1: 135,685 km (0.073 R)
• M2: 498,460 km (0.089 R)
• M3: 839,992 km (0.087 R)
• M4: 1,167,462 km (0.11 R)
• M5: 1,631,365 km (0.099 R)
• M6: 2,167,823 km (0.088 R)
• M7: 2,525,062 km (0.069 R)
• M8: 3,182,844 km (0.097 R)
• M9: 3,682,202 km (0.062 R)
• M10: 4,195,023 km (0.066 R)
• M11: 4,589,962 km (0.087 R)
• M12: 5,140,632 km (0.088 R)
• M13: 6,425,378 km (0.084 R)
• M14: 7,535,544 km (0.107 R)
• M15: 8,272,463 km (0.12 R)
• M16: 9,318,152 km (0.028 R)
• M17: 10,628,779 km (0.118 R)
• M18: 12,255,806 km (0.094 R)
• M19: 13,066,626 km (0.09 R)
• M20: 15,573,886 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 10.8

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.45 AU - 3.75 AU

Year: 4410 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,047,165 km

• M1: 134,488 km (0.104 R)
• M2: 542,442 km (0.115 R)
• M3: 1,048,831 km (0.068 R)
• M4: 1,732,044 km (0.069 R)
• M5: 2,573,383 km (0.06 R)
• M6: 3,201,544 km (0.098 R)
• M7: 3,689,233 km (0.064 R)
• M8: 5,075,407 km (0.113 R)
• M9: 6,338,761 km (0.09 R)
• M10: 7,011,054 km (0.047 R)
• M11: 7,908,342 km (0.119 R)
• M12: 9,235,275 km (0.088 R)
• M13: 9,681,376 km (0.105 R)
• M14: 11,334,582 km (0.108 R)
• M15: 15,872,184 km (0.117 R)
• M16: 21,494,671 km (0.11 R)
• M17: 21,920,426 km (0.049 R)
• M18: 23,231,652 km (0.117 R)
• M19: 28,488,222 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.6

Radius: 9.4

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.97 AU - 4.85 AU

Year: 5980 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,047,165 km

• M1: 116,986 km (0.068 R)
• M2: 415,134 km (0.078 R)
• M3: 728,691 km (0.038 R)
• M4: 1,089,970 km (0.078 R)
• M5: 2,205,372 km (0.103 R)
• M6: 2,538,077 km (0.088 R)
• M7: 4,818,398 km (0.086 R)
• M8: 5,180,574 km (0.104 R)
• M9: 7,129,835 km (0.059 R)
• M10: 7,825,764 km (0.112 R)
• M11: 9,057,553 km (0.071 R)
• M12: 9,524,298 km (0.103 R)
• M13: 10,926,329 km (0.098 R)
• M14: 12,153,630 km (0.071 R)
• M15: 13,253,623 km (0.054 R)
• M16: 14,418,542 km (0.072 R)
• M17: 15,232,354 km (0.099 R)
• M18: 16,199,355 km (0.105 R)
• M19: 16,635,134 km (0.054 R)
• M20: 17,142,719 km (0.051 R)
• M21: 19,766,516 km (0.09 R)
• M22: 20,480,098 km (0.089 R)
• M23: 21,358,986 km (0.097 R)
• M24: 22,569,532 km (0.111 R)
• M25: 22,957,140 km (0.074 R)
• M26: 26,134,150 km (0.088 R)
• M27: 26,647,719 km (0.116 R)
• M28: 30,715,734 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 14.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.3 AU - 5.5 AU

Year: 7003 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,047,165 km

• M1: 185,053 km (0.026 R)
• M2: 730,486 km (0.101 R)
• M3: 1,614,161 km (0.099 R)
• M4: 2,078,363 km (0.101 R)
• M5: 4,071,904 km (0.116 R)
• M6: 4,894,094 km (0.091 R)
• M7: 6,728,613 km (0.093 R)
• M8: 7,494,704 km (0.093 R)
• M9: 8,157,123 km (0.116 R)
• M10: 10,193,599 km (0.09 R)
• M11: 10,715,546 km (0.081 R)
• M12: 12,230,673 km (0.029 R)
• M13: 13,712,590 km (0.045 R)
• M14: 14,467,610 km (0.084 R)
• M15: 15,434,611 km (0.088 R)
• M16: 16,379,920 km (0.109 R)
• M17: 18,040,905 km (0.088 R)
• M18: 19,448,471 km (0.035 R)
• M19: 20,105,355 km (0.09 R)
• M20: 25,730,834 km (0.099 R)
• M21: 26,256,969 km (0.055 R)
• M22: 27,878,910 km (0.113 R)
• M23: 29,566,673 km (0.115 R)
• M24: 30,338,299 km (0.113 R)
• M25: 31,520,870 km (0.115 R)
• M26: 36,340,165 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.7

Radius: 5.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.22 AU - 9.54 AU

Year: 15663 Days

Day: 20.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,047,165 km

• M1: 74,350 km (0.09 R)
• M2: 277,953 km (0.096 R)
• M3: 535,860 km (0.1 R)
• M4: 1,397,394 km (0.084 R)
• M5: 1,682,078 km (0.074 R)
• M6: 2,316,224 km (0.068 R)
• M7: 2,994,501 km (0.045 R)
• M8: 4,679,421 km (0.065 R)
• M9: 5,050,424 km (0.085 R)
• M10: 5,440,875 km (0.111 R)
• M11: 6,214,146 km (0.076 R)
• M12: 6,487,611 km (0.11 R)
• M13: 6,697,945 km (0.105 R)
• M14: 7,206,279 km (0.117 R)
• M15: 7,662,253 km (0.078 R)
• M16: 8,506,285 km (0.071 R)
• M17: 11,307,654 km (0.09 R)
• M18: 15,650,331 km (0.054 R)
• M19: 17,336,448 km (0.116 R)
• M20: 19,068,343 km (0.106 R)
• M21: 20,988,731 km (0.103 R)
• M22: 23,689,421 km (0.118 R)
• M23: 26,702,622 km (0.111 R)
• M24: 33,061,728 km (0.118 R)
• M25: 34,317,004 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41

Radius: 8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.84 AU - 9.78 AU

Year: 16884 Days

Day: 19.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 59.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,047,165 km

• M1: 103,671 km (0.095 R)
• M2: 3,932,180 km (0.119 R)
• M3: 5,820,554 km (0.088 R)
• M4: 7,645,199 km (0.097 R)
• M5: 12,961,010 km (0.081 R)
• M6: 18,334,416 km (0.101 R)
• M7: 25,334,699 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.7

Radius: 5.3

Gravity: 11.99 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.65 AU - 10.09 AU

Year: 18519 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,047,165 km

• M1: 67,768 km (0.104 R)
• M2: 376,538 km (0.047 R)
• M3: 586,124 km (0.071 R)
• M4: 1,067,381 km (0.117 R)
• M5: 1,604,437 km (0.104 R)
• M6: 1,813,276 km (0.114 R)
• M7: 2,113,668 km (0.117 R)
• M8: 3,292,350 km (0.085 R)
• M9: 3,993,066 km (0.102 R)
• M10: 6,057,667 km (0.108 R)
• M11: 6,486,414 km (0.08 R)
• M12: 7,491,861 km (0.063 R)
• M13: 7,985,834 km (0.102 R)
• M14: 8,988,588 km (0.083 R)
• M15: 11,473,708 km (0.073 R)
• M16: 16,005,027 km (0.12 R)
• M17: 17,127,161 km (0.109 R)
• M18: 18,948,066 km (0.111 R)
• M19: 19,194,604 km (0.079 R)
• M20: 21,422,864 km (0.061 R)
• M21: 23,343,850 km (0.101 R)
• M22: 27,841,061 km (0.088 R)
• M23: 39,162,329 km (0.104 R)
• M24: 39,965,670 km (0.084 R)
• M25: 43,716,986 km (0.091 R)
• M26: 44,292,040 km (0.067 R)
• M27: 47,848,281 km (0.05 R)
• M28: 48,920,149 km (0.105 R)
• M29: 52,555,228 km (0.116 R)
• M30: 55,858,947 km (0.085 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: 486 - 10,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit