🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 13.6

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.46 AU - 0.62 AU

Year: 279 Days

Day: 13.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,571,760 km

• M1: 169,195 km (0.055 R)
• M2: 671,545 km (0.116 R)
• M3: 1,411,755 km (0.098 R)
• M4: 1,879,398 km (0.11 R)
• M5: 2,477,790 km (0.086 R)
• M6: 3,222,787 km (0.066 R)
• M7: 3,713,019 km (0.09 R)
• M8: 4,596,395 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.2

Radius: 12.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.58 AU - 0.62 AU

Year: 327 Days

Day: 12.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,571,760 km

• M1: 159,172 km (0.111 R)
• M2: 604,974 km (0.032 R)
• M3: 1,003,503 km (0.108 R)
• M4: 1,421,030 km (0.03 R)
• M5: 1,837,361 km (0.103 R)
• M6: 2,522,519 km (0.059 R)
• M7: 3,073,039 km (0.089 R)
• M8: 4,303,332 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.2

Radius: 12.3

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.83 AU - 1.03 AU

Year: 630 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,571,760 km

• M1: 153,188 km (0.079 R)
• M2: 595,699 km (0.12 R)
• M3: 1,078,002 km (0.099 R)
• M4: 1,548,936 km (0.11 R)
• M5: 2,082,402 km (0.107 R)
• M6: 2,504,568 km (0.091 R)
• M7: 3,303,420 km (0.09 R)
• M8: 3,756,702 km (0.078 R)
• M9: 4,197,567 km (0.115 R)
• M10: 4,586,521 km (0.079 R)
• M11: 5,014,820 km (0.102 R)
• M12: 5,550,979 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.4

Radius: 11.2

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.34 AU - 2.76 AU

Year: 2862 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,571,760 km

• M1: 139,276 km (0.105 R)
• M2: 526,884 km (0.056 R)
• M3: 940,821 km (0.098 R)
• M4: 1,343,987 km (0.11 R)
• M5: 1,839,455 km (0.107 R)
• M6: 3,931,881 km (0.094 R)
• M7: 4,861,482 km (0.095 R)
• M8: 6,124,686 km (0.09 R)
• M9: 6,581,110 km (0.062 R)
• M10: 7,060,421 km (0.118 R)
• M11: 7,888,745 km (0.084 R)
• M12: 8,745,342 km (0.105 R)
• M13: 10,047,143 km (0.1 R)
• M14: 11,178,551 km (0.118 R)
• M15: 13,031,919 km (0.114 R)
• M16: 13,597,250 km (0.045 R)
• M17: 16,399,816 km (0.086 R)
• M18: 18,080,698 km (0.082 R)
• M19: 18,488,950 km (0.105 R)
• M20: 20,876,832 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 10.3

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.27 AU - 3.93 AU

Year: 4801 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,571,760 km

• M1: 128,654 km (0.046 R)
• M2: 531,970 km (0.038 R)
• M3: 907,161 km (0.11 R)
• M4: 1,589,627 km (0.106 R)
• M5: 2,311,885 km (0.089 R)
• M6: 2,705,178 km (0.114 R)
• M7: 3,029,207 km (0.07 R)
• M8: 3,734,711 km (0.077 R)
• M9: 4,521,745 km (0.091 R)
• M10: 6,023,857 km (0.118 R)
• M11: 6,905,288 km (0.104 R)
• M12: 10,152,609 km (0.114 R)
• M13: 11,123,499 km (0.086 R)
• M14: 11,678,657 km (0.079 R)
• M15: 12,203,596 km (0.104 R)
• M16: 13,045,682 km (0.034 R)
• M17: 13,715,582 km (0.118 R)
• M18: 15,179,846 km (0.095 R)
• M19: 16,212,220 km (0.108 R)
• M20: 17,229,636 km (0.112 R)
• M21: 19,657,160 km (0.117 R)
• M22: 20,813,701 km (0.072 R)
• M23: 21,162,264 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.2

Radius: 6.2

Gravity: 23.81 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.13 AU - 7.15 AU

Year: 13411 Days

Day: 23.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,571,760 km

• M1: 77,492 km (0.106 R)
• M2: 1,031,777 km (0.056 R)
• M3: 2,081,355 km (0.102 R)
• M4: 2,779,528 km (0.11 R)
• M5: 4,594,300 km (0.096 R)
• M6: 8,044,625 km (0.11 R)
• M7: 10,514,786 km (0.109 R)
• M8: 11,158,356 km (0.099 R)
• M9: 14,560,660 km (0.111 R)
• M10: 17,850,317 km (0.11 R)
• M11: 22,738,278 km (0.112 R)
• M12: 25,538,750 km (0.106 R)
• M13: 27,564,754 km (0.107 R)
• M14: 31,573,079 km (0.119 R)
• M15: 34,408,557 km (0.076 R)
• M16: 40,863,855 km (0.098 R)
• M17: 43,627,377 km (0.083 R)
• M18: 48,399,399 km (0.106 R)
• M19: 49,523,178 km (0.108 R)
• M20: 50,010,119 km (0.097 R)
• M21: 56,987,813 km (0.094 R)
• M22: 61,733,057 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.7

Radius: 3.9

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.17 AU - 10.25 AU

Year: 16536 Days

Day: 18.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,571,760 km

• M1: 48,470 km (0.099 R)
• M2: 1,014,573 km (0.1 R)
• M3: 1,662,032 km (0.078 R)
• M4: 1,954,646 km (0.107 R)
• M5: 3,364,606 km (0.074 R)
• M6: 3,832,249 km (0.093 R)
• M7: 7,816,638 km (0.072 R)
• M8: 12,518,799 km (0.117 R)
• M9: 19,028,400 km (0.031 R)
• M10: 20,646,002 km (0.107 R)
• M11: 31,907,281 km (0.076 R)
• M12: 34,287,982 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.8

Radius: 4.9

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.33 AU - 8.59 AU

Year: 17297 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,571,760 km

• M1: 61,036 km (0.044 R)
• M2: 363,523 km (0.111 R)
• M3: 518,506 km (0.107 R)
• M4: 877,242 km (0.068 R)
• M5: 1,047,933 km (0.058 R)
• M6: 1,305,840 km (0.112 R)
• M7: 1,559,707 km (0.082 R)
• M8: 2,147,926 km (0.09 R)
• M9: 3,035,341 km (0.119 R)
• M10: 3,694,170 km (0.062 R)
• M11: 3,886,852 km (0.083 R)
• M12: 4,382,769 km (0.093 R)
• M13: 4,789,525 km (0.102 R)
• M14: 5,119,389 km (0.096 R)
• M15: 5,324,338 km (0.054 R)
• M16: 5,499,517 km (0.07 R)
• M17: 8,948,346 km (0.07 R)
• M18: 10,780,172 km (0.115 R)
• M19: 11,519,784 km (0.095 R)
• M20: 11,872,386 km (0.047 R)
• M21: 13,548,481 km (0.112 R)
• M22: 14,341,649 km (0.066 R)
• M23: 15,803,369 km (0.096 R)
• M24: 20,522,285 km (0.071 R)
• M25: 23,667,430 km (0.063 R)
• M26: 25,601,432 km (0.08 R)
• M27: 29,343,622 km (0.058 R)
• M28: 30,333,063 km (0.079 R)
• M29: 32,031,298 km (0.088 R)
• M30: 34,513,725 km (0.084 R)
• M31: 36,113,076 km (0.102 R)
• M32: 40,663,394 km (0.094 R)
• M33: 44,280,820 km (0.097 R)
• M34: 45,290,007 km (0.047 R)
• M35: 45,873,738 km (0.062 R)
• M36: 49,020,081 km (0.071 R)
• M37: 51,670,207 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 10,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit