🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 12.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.45 AU - 0.59 AU

Year: 254 Days

Day: 6.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,594,691 km

• M1: 161,416 km (0.083 R)
• M2: 571,913 km (0.079 R)
• M3: 1,111,512 km (0.076 R)
• M4: 1,580,202 km (0.065 R)
• M5: 2,229,906 km (0.117 R)
• M6: 2,659,102 km (0.041 R)
• M7: 3,518,392 km (0.098 R)
• M8: 3,946,841 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.7

Radius: 11.4

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.67 AU - 0.85 AU

Year: 449 Days

Day: 8.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,594,691 km

• M1: 141,819 km (0.094 R)
• M2: 574,007 km (0.12 R)
• M3: 964,607 km (0.077 R)
• M4: 1,442,871 km (0.03 R)
• M5: 1,841,849 km (0.072 R)
• M6: 2,249,354 km (0.052 R)
• M7: 2,880,058 km (0.09 R)
• M8: 3,497,000 km (0.115 R)
• M9: 3,946,691 km (0.106 R)
• M10: 4,709,640 km (0.119 R)
• M11: 5,143,025 km (0.057 R)
• M12: 6,146,528 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 10.7

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.63 AU - 0.97 AU

Year: 485 Days

Day: 12.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,594,691 km

• M1: 133,292 km (0.096 R)
• M2: 482,154 km (0.036 R)
• M3: 822,788 km (0.094 R)
• M4: 1,912,160 km (0.11 R)
• M5: 2,386,086 km (0.068 R)
• M6: 2,903,246 km (0.108 R)
• M7: 3,611,143 km (0.093 R)
• M8: 4,521,895 km (0.085 R)
• M9: 5,114,452 km (0.114 R)
• M10: 5,740,070 km (0.049 R)
• M11: 7,039,926 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.5

Radius: 8.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.09 AU - 1.51 AU

Year: 1005 Days

Day: 7.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,594,691 km

• M1: 108,309 km (0.099 R)
• M2: 389,403 km (0.096 R)
• M3: 763,099 km (0.111 R)
• M4: 1,085,632 km (0.112 R)
• M5: 1,673,402 km (0.099 R)
• M6: 2,108,283 km (0.099 R)
• M7: 2,398,203 km (0.104 R)
• M8: 2,692,911 km (0.086 R)
• M9: 3,671,880 km (0.115 R)
• M10: 4,153,286 km (0.116 R)
• M11: 4,887,512 km (0.105 R)
• M12: 5,364,580 km (0.076 R)
• M13: 6,411,765 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.4

Radius: 11.1

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.23 AU - 2.91 AU

Year: 2794 Days

Day: 5.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,594,691 km

• M1: 138,528 km (0.093 R)
• M2: 517,758 km (0.075 R)
• M3: 1,227,600 km (0.113 R)
• M4: 1,611,319 km (0.08 R)
• M5: 2,063,403 km (0.11 R)
• M6: 2,629,482 km (0.101 R)
• M7: 3,107,447 km (0.086 R)
• M8: 4,784,738 km (0.044 R)
• M9: 5,576,261 km (0.115 R)
• M10: 6,043,754 km (0.078 R)
• M11: 6,822,710 km (0.105 R)
• M12: 7,176,509 km (0.099 R)
• M13: 9,240,361 km (0.075 R)
• M14: 9,637,544 km (0.072 R)
• M15: 10,389,273 km (0.031 R)
• M16: 11,465,330 km (0.095 R)
• M17: 12,969,088 km (0.078 R)
• M18: 14,263,559 km (0.099 R)
• M19: 15,090,386 km (0.085 R)
• M20: 15,591,539 km (0.055 R)
• M21: 16,416,571 km (0.054 R)
• M22: 17,162,017 km (0.072 R)
• M23: 17,985,554 km (0.037 R)
• M24: 18,549,089 km (0.102 R)
• M25: 19,771,004 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.3

Radius: 9.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.41 AU - 4.41 AU

Year: 5244 Days

Day: 11.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,594,691 km

• M1: 185,053 km (0.098 R)
• M2: 681,119 km (0.085 R)
• M3: 1,016,817 km (0.049 R)
• M4: 2,145,233 km (0.053 R)
• M5: 2,973,706 km (0.117 R)
• M6: 3,310,750 km (0.118 R)
• M7: 4,246,485 km (0.117 R)
• M8: 5,325,086 km (0.097 R)
• M9: 6,521,270 km (0.08 R)
• M10: 6,889,730 km (0.085 R)
• M11: 8,438,666 km (0.067 R)
• M12: 9,294,815 km (0.087 R)
• M13: 10,822,508 km (0.114 R)
• M14: 11,625,699 km (0.049 R)
• M15: 12,772,367 km (0.115 R)
• M16: 13,992,637 km (0.116 R)
• M17: 17,570,868 km (0.072 R)
• M18: 18,230,595 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.8

Radius: 8

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.4 AU - 4.82 AU

Year: 6713 Days

Day: 11.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 158.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,594,691 km

• M1: 111,002 km (0.109 R)
• M2: 521,947 km (0.045 R)
• M3: 2,140,596 km (0.081 R)
• M4: 2,519,228 km (0.085 R)
• M5: 3,170,577 km (0.102 R)
• M6: 4,338,637 km (0.104 R)
• M7: 6,333,974 km (0.058 R)
• M8: 6,969,914 km (0.052 R)
• M9: 8,451,382 km (0.102 R)
• M10: 8,960,015 km (0.108 R)
• M11: 9,310,373 km (0.094 R)
• M12: 9,852,965 km (0.031 R)
• M13: 10,131,965 km (0.049 R)
• M14: 10,416,350 km (0.103 R)
• M15: 10,754,890 km (0.036 R)
• M16: 11,556,286 km (0.026 R)
• M17: 13,053,461 km (0.096 R)
• M18: 14,675,701 km (0.073 R)
• M19: 15,162,941 km (0.118 R)
• M20: 17,153,341 km (0.104 R)
• M21: 17,422,168 km (0.102 R)
• M22: 18,106,877 km (0.115 R)
• M23: 18,526,051 km (0.095 R)
• M24: 18,951,806 km (0.117 R)
• M25: 22,435,941 km (0.088 R)
• M26: 24,667,941 km (0.091 R)
• M27: 29,089,605 km (0.12 R)
• M28: 29,664,809 km (0.115 R)
• M29: 32,347,996 km (0.088 R)
• M30: 35,623,292 km (0.097 R)
• M31: 36,392,375 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.4

Radius: 5.6

Gravity: 28.62 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.6 AU - 11.56 AU

Year: 20111 Days

Day: 17.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 105.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,594,691 km

• M1: 69,713 km (0.095 R)
• M2: 293,810 km (0.051 R)
• M3: 799,601 km (0.092 R)
• M4: 1,297,612 km (0.057 R)
• M5: 1,554,172 km (0.046 R)
• M6: 2,909,529 km (0.083 R)
• M7: 4,687,500 km (0.09 R)
• M8: 5,453,590 km (0.073 R)
• M9: 5,866,480 km (0.081 R)
• M10: 6,661,892 km (0.047 R)
• M11: 7,678,111 km (0.116 R)
• M12: 9,832,769 km (0.081 R)
• M13: 10,258,076 km (0.053 R)
• M14: 12,290,363 km (0.091 R)
• M15: 12,855,394 km (0.081 R)
• M16: 15,860,217 km (0.079 R)
• M17: 16,192,623 km (0.031 R)
• M18: 21,247,086 km (0.084 R)
• M19: 36,433,514 km (0.12 R)
• M20: 37,157,867 km (0.097 R)
• M21: 38,935,539 km (0.1 R)
• M22: 46,783,443 km (0.111 R)
• M23: 47,124,376 km (0.034 R)
• M24: 49,029,356 km (0.104 R)
• M25: 49,557,735 km (0.079 R)
• M26: 52,807,749 km (0.049 R)
• M27: 52,992,353 km (0.118 R)
• M28: 54,673,384 km (0.073 R)
• M29: 58,535,403 km (0.093 R)
• M30: 63,405,113 km (0.105 R)
• M31: 82,318,921 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797

Radius: 5.4

Gravity: 27.33 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.53 AU - 12.41 AU

Year: 21352 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,594,691 km

• M1: 67,169 km (0.115 R)
• M2: 449,242 km (0.1 R)
• M3: 1,083,388 km (0.1 R)
• M4: 1,325,886 km (0.093 R)
• M5: 1,861,746 km (0.093 R)
• M6: 2,579,666 km (0.063 R)
• M7: 3,235,652 km (0.093 R)
• M8: 4,507,234 km (0.042 R)
• M9: 5,293,521 km (0.045 R)
• M10: 8,039,390 km (0.102 R)
• M11: 8,962,558 km (0.102 R)
• M12: 10,259,572 km (0.108 R)
• M13: 11,476,251 km (0.074 R)
• M14: 11,879,717 km (0.106 R)
• M15: 12,223,044 km (0.079 R)
• M16: 13,737,872 km (0.097 R)
• M17: 14,269,393 km (0.036 R)
• M18: 16,789,519 km (0.096 R)
• M19: 19,496,342 km (0.088 R)
• M20: 20,557,590 km (0.106 R)
• M21: 21,252,771 km (0.061 R)
• M22: 25,984,851 km (0.108 R)
• M23: 30,726,954 km (0.095 R)
• M24: 32,294,440 km (0.088 R)
• M25: 37,609,054 km (0.119 R)
• M26: 43,477,928 km (0.113 R)
• M27: 45,284,173 km (0.119 R)
• M28: 48,695,453 km (0.104 R)
• M29: 54,127,352 km (0.092 R)
• M30: 55,260,107 km (0.099 R)
• M31: 56,988,860 km (0.101 R)
• M32: 71,230,278 km (0.117 R)
• M33: 77,723,873 km (0.112 R)
• M34: 78,923,498 km (0.076 R)
• M35: 80,868,420 km (0.079 R)
• M36: 82,596,425 km (0.077 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 14,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit