🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.44 AU - 0.72 AU

Year: 290 Days

Day: 32 Hours

Environment

Temp: -127 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 4,316,104 km

• M1: 812,915 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921

Radius: 11.7

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.67 AU - 0.75 AU

Year: 392 Days

Day: 6.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 4,316,104 km

• M1: 167,699 km (0.11 R)
• M2: 246,687 km (0.076 R)
• M3: 360,082 km (0.1 R)
• M4: 457,919 km (0.069 R)
• M5: 534,364 km (0.106 R)
• M6: 608,564 km (0.085 R)
• M7: 715,377 km (0.076 R)
• M8: 794,813 km (0.096 R)
• M9: 918,082 km (0.054 R)
• M10: 1,048,232 km (0.111 R)
• M11: 1,189,901 km (0.112 R)
• M12: 1,270,984 km (0.096 R)
• M13: 1,637,349 km (0.082 R)
• M14: 1,763,161 km (0.111 R)
• M15: 2,000,124 km (0.119 R)
• M16: 2,073,426 km (0.108 R)
• M17: 2,166,177 km (0.083 R)
• M18: 2,247,858 km (0.119 R)
• M19: 2,375,465 km (0.063 R)
• M20: 2,525,362 km (0.105 R)
• M21: 2,698,596 km (0.113 R)
• M22: 2,793,591 km (0.059 R)
• M23: 2,889,782 km (0.091 R)
• M24: 3,029,058 km (0.113 R)
• M25: 3,343,363 km (0.112 R)
• M26: 3,571,350 km (0.093 R)
• M27: 3,645,999 km (0.1 R)
• M28: 3,728,727 km (0.119 R)
• M29: 3,842,571 km (0.102 R)
• M30: 4,027,175 km (0.119 R)
• M31: 4,365,266 km (0.063 R)
• M32: 4,728,938 km (0.118 R)
• M33: 4,827,673 km (0.116 R)
• M34: 4,918,778 km (0.112 R)
• M35: 5,060,597 km (0.12 R)
• M36: 5,220,816 km (0.119 R)
• M37: 5,391,358 km (0.11 R)
• M38: 5,477,376 km (0.079 R)
• M39: 5,624,431 km (0.108 R)
• M40: 5,702,970 km (0.096 R)
• M41: 5,799,311 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.4

Radius: 8.7

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.6 AU - 0.9 AU

Year: 426 Days

Day: 13.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 4,316,104 km

• M1: 118,930 km (0.062 R)
• M2: 182,809 km (0.036 R)
• M3: 254,616 km (0.105 R)
• M4: 384,018 km (0.078 R)
• M5: 522,396 km (0.081 R)
• M6: 610,808 km (0.085 R)
• M7: 687,103 km (0.117 R)
• M8: 794,365 km (0.074 R)
• M9: 917,334 km (0.077 R)
• M10: 991,235 km (0.111 R)
• M11: 1,092,962 km (0.117 R)
• M12: 1,150,557 km (0.095 R)
• M13: 1,209,200 km (0.088 R)
• M14: 1,263,354 km (0.097 R)
• M15: 1,335,161 km (0.079 R)
• M16: 1,431,203 km (0.094 R)
• M17: 1,570,778 km (0.08 R)
• M18: 1,654,403 km (0.108 R)
• M19: 1,888,823 km (0.109 R)
• M20: 1,997,281 km (0.092 R)
• M21: 2,088,237 km (0.028 R)
• M22: 2,207,167 km (0.107 R)
• M23: 2,690,966 km (0.11 R)
• M24: 2,784,465 km (0.084 R)
• M25: 2,871,681 km (0.082 R)
• M26: 2,952,464 km (0.047 R)
• M27: 3,131,383 km (0.052 R)
• M28: 3,298,633 km (0.103 R)
• M29: 3,445,538 km (0.114 R)
• M30: 3,523,628 km (0.118 R)
• M31: 3,665,896 km (0.078 R)
• M32: 3,809,959 km (0.036 R)
• M33: 3,923,354 km (0.071 R)
• M34: 4,037,946 km (0.096 R)
• M35: 4,220,156 km (0.052 R)
• M36: 4,447,545 km (0.07 R)
• M37: 4,507,085 km (0.08 R)
• M38: 4,635,739 km (0.094 R)
• M39: 4,905,613 km (0.031 R)
• M40: 4,993,727 km (0.093 R)
• M41: 5,297,410 km (0.102 R)
• M42: 5,351,565 km (0.107 R)
• M43: 5,469,597 km (0.116 R)
• M44: 5,597,803 km (0.032 R)
• M45: 5,699,230 km (0.047 R)
• M46: 5,801,256 km (0.112 R)
• M47: 5,857,205 km (0.09 R)
• M48: 6,007,102 km (0.116 R)
• M49: 6,082,649 km (0.115 R)
• M50: 6,167,920 km (0.045 R)
• M51: 6,301,362 km (0.104 R)
• M52: 6,464,722 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.8

Radius: 8.6

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.7 AU - 0.9 AU

Year: 469 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 93.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 4,316,104 km

• M1: 109,954 km (0.101 R)
• M2: 167,400 km (0.117 R)
• M3: 231,129 km (0.094 R)
• M4: 285,433 km (0.096 R)
• M5: 539,450 km (0.106 R)
• M6: 612,005 km (0.091 R)
• M7: 721,810 km (0.104 R)
• M8: 779,405 km (0.05 R)
• M9: 887,115 km (0.113 R)
• M10: 983,157 km (0.111 R)
• M11: 1,109,418 km (0.103 R)
• M12: 1,254,977 km (0.099 R)
• M13: 1,316,012 km (0.075 R)
• M14: 1,387,819 km (0.094 R)
• M15: 1,475,633 km (0.088 R)
• M16: 1,530,386 km (0.118 R)
• M17: 1,590,674 km (0.101 R)
• M18: 1,708,856 km (0.118 R)
• M19: 1,766,452 km (0.089 R)
• M20: 1,878,201 km (0.104 R)
• M21: 1,997,730 km (0.096 R)
• M22: 2,097,512 km (0.071 R)
• M23: 2,159,445 km (0.107 R)
• M24: 2,216,143 km (0.035 R)
• M25: 2,383,543 km (0.071 R)
• M26: 2,495,592 km (0.089 R)
• M27: 2,585,201 km (0.113 R)
• M28: 2,645,638 km (0.117 R)
• M29: 2,700,391 km (0.102 R)
• M30: 2,867,043 km (0.106 R)
• M31: 3,005,421 km (0.037 R)
• M32: 3,094,582 km (0.027 R)
• M33: 3,165,192 km (0.084 R)
• M34: 3,223,535 km (0.059 R)
• M35: 3,334,537 km (0.104 R)
• M36: 3,393,777 km (0.108 R)
• M37: 3,493,409 km (0.104 R)
• M38: 3,580,625 km (0.027 R)
• M39: 3,675,320 km (0.107 R)
• M40: 3,736,506 km (0.112 R)
• M41: 3,811,903 km (0.072 R)
• M42: 4,069,361 km (0.115 R)
• M43: 4,125,760 km (0.08 R)
• M44: 4,196,669 km (0.106 R)
• M45: 4,411,791 km (0.077 R)
• M46: 4,593,702 km (0.112 R)
• M47: 4,935,234 km (0.098 R)
• M48: 5,018,111 km (0.089 R)
• M49: 5,109,066 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.73 AU - 0.95 AU

Year: 505 Days

Day: 12.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 4,316,104 km

• M1: 113,545 km (0.118 R)
• M2: 198,965 km (0.063 R)
• M3: 263,143 km (0.115 R)
• M4: 372,499 km (0.115 R)
• M5: 441,314 km (0.075 R)
• M6: 502,050 km (0.111 R)
• M7: 581,936 km (0.093 R)
• M8: 648,058 km (0.047 R)
• M9: 708,346 km (0.075 R)
• M10: 779,704 km (0.073 R)
• M11: 839,992 km (0.067 R)
• M12: 965,804 km (0.083 R)
• M13: 1,043,296 km (0.046 R)
• M14: 1,102,985 km (0.029 R)
• M15: 1,199,925 km (0.073 R)
• M16: 1,265,299 km (0.099 R)
• M17: 1,323,941 km (0.1 R)
• M18: 1,386,174 km (0.027 R)
• M19: 1,446,761 km (0.092 R)
• M20: 1,567,786 km (0.045 R)
• M21: 1,683,425 km (0.088 R)
• M22: 1,757,177 km (0.077 R)
• M23: 1,844,243 km (0.081 R)
• M24: 1,963,472 km (0.119 R)
• M25: 2,028,846 km (0.116 R)
• M26: 2,104,393 km (0.079 R)
• M27: 2,161,689 km (0.114 R)
• M28: 2,226,016 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.8

Radius: 8.8

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.67 AU - 1.03 AU

Year: 514 Days

Day: 8.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 4,316,104 km

• M1: 123,269 km (0.097 R)
• M2: 213,177 km (0.106 R)
• M3: 292,763 km (0.062 R)
• M4: 363,224 km (0.05 R)
• M5: 426,952 km (0.098 R)
• M6: 575,802 km (0.04 R)
• M7: 712,086 km (0.119 R)
• M8: 987,944 km (0.087 R)
• M9: 1,164,320 km (0.118 R)
• M10: 1,237,773 km (0.036 R)
• M11: 1,411,606 km (0.099 R)
• M12: 1,484,759 km (0.096 R)
• M13: 1,652,308 km (0.1 R)
• M14: 1,783,655 km (0.046 R)
• M15: 1,924,726 km (0.091 R)
• M16: 1,987,258 km (0.083 R)
• M17: 2,063,104 km (0.087 R)
• M18: 2,303,508 km (0.087 R)
• M19: 2,450,862 km (0.09 R)
• M20: 2,546,305 km (0.119 R)
• M21: 2,608,239 km (0.11 R)
• M22: 2,698,596 km (0.109 R)
• M23: 2,790,150 km (0.082 R)
• M24: 2,875,570 km (0.113 R)
• M25: 3,012,602 km (0.097 R)
• M26: 3,092,936 km (0.088 R)
• M27: 3,151,878 km (0.063 R)
• M28: 3,293,248 km (0.064 R)
• M29: 3,383,605 km (0.091 R)
• M30: 3,444,341 km (0.079 R)
• M31: 3,505,377 km (0.085 R)
• M32: 3,574,492 km (0.11 R)
• M33: 3,636,425 km (0.089 R)
• M34: 3,698,658 km (0.051 R)
• M35: 3,903,457 km (0.114 R)
• M36: 4,023,285 km (0.088 R)
• M37: 4,176,922 km (0.094 R)
• M38: 4,307,671 km (0.097 R)
• M39: 4,431,687 km (0.085 R)
• M40: 4,615,543 km (0.118 R)
• M41: 4,801,942 km (0.094 R)
• M42: 4,956,477 km (0.092 R)
• M43: 5,077,651 km (0.045 R)
• M44: 5,279,010 km (0.093 R)
• M45: 5,527,641 km (0.077 R)
• M46: 5,635,501 km (0.091 R)
• M47: 5,816,664 km (0.086 R)
• M48: 5,907,919 km (0.085 R)
• M49: 5,972,097 km (0.081 R)
• M50: 6,045,848 km (0.117 R)
• M51: 6,129,025 km (0.092 R)
• M52: 6,221,925 km (0.078 R)
• M53: 6,287,299 km (0.056 R)
• M54: 6,371,673 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.5

Radius: 10.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.13 AU - 1.38 AU

Year: 917 Days

Day: 14.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 4,316,104 km

• M1: 134,937 km (0.12 R)
• M2: 217,216 km (0.06 R)
• M3: 331,359 km (0.108 R)
• M4: 447,148 km (0.105 R)
• M5: 527,033 km (0.097 R)
• M6: 594,502 km (0.087 R)
• M7: 662,270 km (0.109 R)
• M8: 739,612 km (0.108 R)
• M9: 911,649 km (0.117 R)
• M10: 1,063,042 km (0.09 R)
• M11: 1,187,358 km (0.079 R)
• M12: 1,320,800 km (0.084 R)
• M13: 1,412,653 km (0.07 R)
• M14: 1,545,944 km (0.065 R)
• M15: 1,620,893 km (0.12 R)
• M16: 1,692,550 km (0.059 R)
• M17: 1,779,167 km (0.064 R)
• M18: 1,858,006 km (0.104 R)
• M19: 2,135,809 km (0.043 R)
• M20: 2,274,785 km (0.101 R)
• M21: 2,609,136 km (0.099 R)
• M22: 2,806,606 km (0.103 R)
• M23: 2,877,216 km (0.032 R)
• M24: 3,059,127 km (0.115 R)
• M25: 3,148,736 km (0.102 R)
• M26: 3,233,408 km (0.096 R)
• M27: 3,307,609 km (0.049 R)
• M28: 3,539,186 km (0.108 R)
• M29: 3,645,251 km (0.056 R)
• M30: 3,722,444 km (0.072 R)
• M31: 3,812,352 km (0.056 R)
• M32: 3,994,114 km (0.101 R)
• M33: 4,154,034 km (0.112 R)
• M34: 4,228,533 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 17,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit