🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.54 AU - 0.7 AU

Year: 310 Days

Day: 30.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.53 AU - 0.73 AU

Year: 318 Days

Day: 45 Hours

Environment

Temp: -133 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.5

Radius: 8.9

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.88 AU - 1.16 AU

Year: 655 Days

Day: 6 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 16,405,225 km

• M1: 111,301 km (0.095 R)
• M2: 173,384 km (0.08 R)
• M3: 229,483 km (0.098 R)
• M4: 322,234 km (0.092 R)
• M5: 433,834 km (0.061 R)
• M6: 491,130 km (0.081 R)
• M7: 585,825 km (0.066 R)
• M8: 668,852 km (0.119 R)
• M9: 727,644 km (0.117 R)
• M10: 837,748 km (0.084 R)
• M11: 936,333 km (0.069 R)
• M12: 1,031,777 km (0.078 R)
• M13: 1,104,631 km (0.088 R)
• M14: 1,221,167 km (0.113 R)
• M15: 1,282,951 km (0.103 R)
• M16: 1,365,829 km (0.086 R)
• M17: 1,495,680 km (0.099 R)
• M18: 1,587,233 km (0.109 R)
• M19: 1,663,678 km (0.115 R)
• M20: 1,741,469 km (0.095 R)
• M21: 1,824,795 km (0.032 R)
• M22: 1,882,689 km (0.111 R)
• M23: 1,977,534 km (0.119 R)
• M24: 2,036,925 km (0.115 R)
• M25: 2,172,011 km (0.078 R)
• M26: 2,470,459 km (0.086 R)
• M27: 2,544,809 km (0.057 R)
• M28: 2,700,541 km (0.117 R)
• M29: 2,854,327 km (0.117 R)
• M30: 2,921,946 km (0.114 R)
• M31: 3,160,105 km (0.102 R)
• M32: 3,229,968 km (0.055 R)
• M33: 3,371,637 km (0.113 R)
• M34: 3,432,074 km (0.107 R)
• M35: 3,504,031 km (0.109 R)
• M36: 3,576,586 km (0.114 R)
• M37: 3,689,083 km (0.116 R)
• M38: 3,831,351 km (0.096 R)
• M39: 3,963,895 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 14

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.01 AU - 1.07 AU

Year: 674 Days

Day: 11 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 16,405,225 km

• M1: 174,730 km (0.11 R)
• M2: 281,094 km (0.102 R)
• M3: 472,580 km (0.096 R)
• M4: 773,421 km (0.096 R)
• M5: 947,852 km (0.099 R)
• M6: 1,035,068 km (0.08 R)
• M7: 1,130,960 km (0.116 R)
• M8: 1,218,325 km (0.099 R)
• M9: 1,344,885 km (0.107 R)
• M10: 1,508,246 km (0.111 R)
• M11: 1,645,128 km (0.073 R)
• M12: 1,766,003 km (0.09 R)
• M13: 1,876,107 km (0.044 R)
• M14: 2,355,269 km (0.105 R)
• M15: 2,454,153 km (0.086 R)
• M16: 2,562,312 km (0.104 R)
• M17: 2,727,768 km (0.084 R)
• M18: 2,823,959 km (0.068 R)
• M19: 2,945,732 km (0.092 R)
• M20: 3,161,302 km (0.107 R)
• M21: 3,373,432 km (0.12 R)
• M22: 3,590,498 km (0.101 R)
• M23: 3,965,540 km (0.037 R)
• M24: 4,213,574 km (0.079 R)
• M25: 4,325,323 km (0.1 R)
• M26: 4,802,241 km (0.072 R)
• M27: 4,889,906 km (0.102 R)
• M28: 5,027,386 km (0.11 R)
• M29: 5,235,925 km (0.077 R)
• M30: 5,376,697 km (0.036 R)
• M31: 5,477,975 km (0.062 R)
• M32: 5,590,173 km (0.101 R)
• M33: 5,775,375 km (0.115 R)
• M34: 6,183,628 km (0.083 R)
• M35: 6,375,263 km (0.042 R)
• M36: 6,579,763 km (0.079 R)
• M37: 6,688,371 km (0.088 R)
• M38: 6,775,587 km (0.095 R)
• M39: 6,863,251 km (0.093 R)
• M40: 7,028,557 km (0.115 R)
• M41: 7,139,558 km (0.11 R)
• M42: 7,262,229 km (0.058 R)
• M43: 7,385,796 km (0.101 R)
• M44: 7,521,183 km (0.101 R)
• M45: 7,725,982 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.8

Radius: 8.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2 AU - 2.44 AU

Year: 2103 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 16,405,225 km

• M1: 114,592 km (0.052 R)
• M2: 194,926 km (0.105 R)
• M3: 256,860 km (0.076 R)
• M4: 437,275 km (0.108 R)
• M5: 494,421 km (0.09 R)
• M6: 550,371 km (0.077 R)
• M7: 631,752 km (0.12 R)
• M8: 688,449 km (0.08 R)
• M9: 812,765 km (0.086 R)
• M10: 869,912 km (0.102 R)
• M11: 1,072,766 km (0.12 R)
• M12: 1,260,661 km (0.101 R)
• M13: 1,352,514 km (0.086 R)
• M14: 1,478,625 km (0.063 R)
• M15: 1,569,282 km (0.101 R)
• M16: 1,950,607 km (0.105 R)
• M17: 2,232,898 km (0.06 R)
• M18: 2,292,587 km (0.085 R)
• M19: 2,575,028 km (0.105 R)
• M20: 2,868,838 km (0.108 R)
• M21: 3,173,420 km (0.071 R)
• M22: 3,376,574 km (0.111 R)
• M23: 3,715,862 km (0.115 R)
• M24: 3,786,920 km (0.119 R)
• M25: 4,157,774 km (0.053 R)
• M26: 4,277,751 km (0.071 R)
• M27: 4,587,718 km (0.079 R)
• M28: 4,644,864 km (0.062 R)
• M29: 4,731,033 km (0.076 R)
• M30: 4,924,463 km (0.075 R)
• M31: 5,051,621 km (0.047 R)
• M32: 5,259,263 km (0.105 R)
• M33: 5,339,148 km (0.04 R)
• M34: 6,097,011 km (0.072 R)
• M35: 6,520,672 km (0.082 R)
• M36: 6,746,864 km (0.061 R)
• M37: 6,920,996 km (0.077 R)
• M38: 7,173,966 km (0.042 R)
• M39: 7,240,387 km (0.115 R)
• M40: 7,407,488 km (0.11 R)
• M41: 7,620,964 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.7

Radius: 13.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3 AU - 3.5 AU

Year: 3725 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 16,405,225 km

• M1: 210,185 km (0.108 R)
• M2: 368,310 km (0.075 R)
• M3: 528,529 km (0.093 R)
• M4: 631,901 km (0.105 R)
• M5: 779,704 km (0.116 R)
• M6: 950,395 km (0.081 R)
• M7: 1,082,041 km (0.067 R)
• M8: 1,166,415 km (0.088 R)
• M9: 1,264,252 km (0.082 R)
• M10: 1,492,239 km (0.098 R)
• M11: 1,587,383 km (0.115 R)
• M12: 1,746,555 km (0.056 R)
• M13: 1,872,816 km (0.075 R)
• M14: 1,963,173 km (0.074 R)
• M15: 2,108,133 km (0.086 R)
• M16: 2,256,833 km (0.034 R)
• M17: 2,451,161 km (0.118 R)
• M18: 2,607,940 km (0.079 R)
• M19: 2,782,969 km (0.089 R)
• M20: 3,191,072 km (0.051 R)
• M21: 3,650,786 km (0.1 R)
• M22: 3,847,358 km (0.034 R)
• M23: 3,963,596 km (0.104 R)
• M24: 4,097,934 km (0.044 R)
• M25: 4,285,231 km (0.061 R)
• M26: 4,423,160 km (0.111 R)
• M27: 4,668,351 km (0.083 R)
• M28: 4,774,715 km (0.057 R)
• M29: 4,900,078 km (0.064 R)
• M30: 5,080,792 km (0.083 R)
• M31: 5,227,099 km (0.075 R)
• M32: 6,076,217 km (0.11 R)
• M33: 6,467,415 km (0.08 R)
• M34: 6,766,162 km (0.038 R)
• M35: 6,887,037 km (0.071 R)
• M36: 7,294,991 km (0.109 R)
• M37: 7,564,416 km (0.108 R)
• M38: 7,689,929 km (0.103 R)
• M39: 7,879,469 km (0.055 R)
• M40: 8,049,263 km (0.075 R)
• M41: 8,177,319 km (0.071 R)
• M42: 8,306,272 km (0.027 R)
• M43: 8,479,058 km (0.089 R)
• M44: 8,675,031 km (0.106 R)
• M45: 8,894,341 km (0.082 R)
• M46: 9,026,885 km (0.093 R)
• M47: 9,160,177 km (0.063 R)
• M48: 10,157,097 km (0.04 R)
• M49: 11,212,211 km (0.097 R)
• M50: 12,032,456 km (0.061 R)
• M51: 12,747,384 km (0.025 R)
• M52: 12,922,114 km (0.114 R)
• M53: 13,273,819 km (0.063 R)
• M54: 14,477,633 km (0.119 R)
• M55: 14,790,592 km (0.097 R)
• M56: 15,423,241 km (0.09 R)
• M57: 15,529,605 km (0.106 R)
• M58: 15,876,672 km (0.064 R)
• M59: 16,660,565 km (0.081 R)
• M60: 17,070,912 km (0.107 R)
• M61: 17,263,594 km (0.045 R)
• M62: 17,456,875 km (0.095 R)
• M63: 17,567,727 km (0.089 R)
• M64: 17,929,604 km (0.089 R)
• M65: 18,603,991 km (0.115 R)
• M66: 18,830,632 km (0.113 R)
• M67: 19,058,320 km (0.118 R)
• M68: 19,143,890 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 14.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.16 AU - 4.92 AU

Year: 5163 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 16,405,225 km

• M1: 241,152 km (0.119 R)
• M2: 462,856 km (0.04 R)
• M3: 625,469 km (0.118 R)
• M4: 786,735 km (0.082 R)
• M5: 937,679 km (0.108 R)
• M6: 1,071,719 km (0.109 R)
• M7: 1,212,790 km (0.087 R)
• M8: 1,546,692 km (0.106 R)
• M9: 1,910,365 km (0.087 R)
• M10: 2,265,061 km (0.099 R)
• M11: 2,357,064 km (0.053 R)
• M12: 2,679,747 km (0.09 R)
• M13: 2,876,318 km (0.088 R)
• M14: 3,798,440 km (0.085 R)
• M15: 3,908,843 km (0.111 R)
• M16: 4,087,612 km (0.109 R)
• M17: 4,338,189 km (0.092 R)
• M18: 4,523,540 km (0.05 R)
• M19: 4,735,371 km (0.115 R)
• M20: 4,950,493 km (0.041 R)
• M21: 5,267,042 km (0.069 R)
• M22: 5,440,127 km (0.117 R)
• M23: 5,540,058 km (0.108 R)
• M24: 5,640,438 km (0.093 R)
• M25: 6,439,889 km (0.09 R)
• M26: 6,652,019 km (0.109 R)
• M27: 7,028,856 km (0.12 R)
• M28: 7,219,892 km (0.097 R)
• M29: 8,172,681 km (0.082 R)
• M30: 8,547,424 km (0.104 R)
• M31: 8,810,118 km (0.062 R)
• M32: 9,164,814 km (0.111 R)
• M33: 9,433,791 km (0.118 R)
• M34: 10,163,979 km (0.078 R)
• M35: 10,504,912 km (0.039 R)
• M36: 10,849,436 km (0.032 R)
• M37: 11,038,976 km (0.09 R)
• M38: 11,229,714 km (0.058 R)
• M39: 11,743,433 km (0.086 R)
• M40: 11,938,209 km (0.087 R)
• M41: 12,232,169 km (0.082 R)
• M42: 12,363,666 km (0.107 R)
• M43: 12,561,733 km (0.082 R)
• M44: 13,128,709 km (0.036 R)
• M45: 13,874,903 km (0.08 R)
• M46: 14,080,900 km (0.046 R)
• M47: 14,322,351 km (0.109 R)
• M48: 15,020,075 km (0.096 R)
• M49: 15,302,217 km (0.06 R)
• M50: 16,015,350 km (0.113 R)
• M51: 16,484,788 km (0.101 R)
• M52: 16,885,560 km (0.094 R)
• M53: 17,845,530 km (0.108 R)
• M54: 18,144,427 km (0.119 R)
• M55: 18,747,306 km (0.055 R)
• M56: 19,051,289 km (0.111 R)
• M57: 19,587,148 km (0.1 R)
• M58: 19,741,085 km (0.108 R)
• M59: 21,740,011 km (0.1 R)
• M60: 21,859,540 km (0.112 R)
• M61: 22,420,532 km (0.099 R)
• M62: 22,581,649 km (0.084 R)
• M63: 22,824,147 km (0.078 R)
• M64: 22,986,311 km (0.073 R)
• M65: 23,189,465 km (0.111 R)
• M66: 23,679,548 km (0.092 R)
• M67: 23,843,657 km (0.087 R)
• M68: 25,800,397 km (0.114 R)
• M69: 26,308,282 km (0.094 R)
• M70: 26,606,131 km (0.104 R)
• M71: 27,290,990 km (0.085 R)
• M72: 28,024,917 km (0.097 R)
• M73: 28,634,379 km (0.086 R)
• M74: 28,853,091 km (0.061 R)
• M75: 29,248,029 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.1

Radius: 10.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.37 AU - 5.31 AU

Year: 5749 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 16,405,225 km

• M1: 131,347 km (0.037 R)
• M2: 594,801 km (0.085 R)
• M3: 711,487 km (0.093 R)
• M4: 777,161 km (0.097 R)
• M5: 924,216 km (0.109 R)
• M6: 1,090,269 km (0.06 R)
• M7: 1,226,703 km (0.117 R)
• M8: 1,452,595 km (0.119 R)
• M9: 1,658,741 km (0.102 R)
• M10: 2,259,077 km (0.078 R)
• M11: 2,447,720 km (0.111 R)
• M12: 2,589,539 km (0.071 R)
• M13: 2,840,864 km (0.118 R)
• M14: 2,921,946 km (0.096 R)
• M15: 3,239,841 km (0.071 R)
• M16: 3,338,875 km (0.078 R)
• M17: 3,627,300 km (0.107 R)
• M18: 3,715,562 km (0.072 R)
• M19: 3,954,171 km (0.101 R)
• M20: 4,105,863 km (0.104 R)
• M21: 4,275,058 km (0.12 R)
• M22: 4,430,790 km (0.091 R)
• M23: 4,525,186 km (0.095 R)
• M24: 4,715,923 km (0.111 R)
• M25: 5,007,190 km (0.076 R)
• M26: 5,254,476 km (0.085 R)
• M27: 5,590,323 km (0.057 R)
• M28: 5,760,864 km (0.115 R)
• M29: 5,950,555 km (0.102 R)
• M30: 6,389,325 km (0.036 R)
• M31: 6,567,646 km (0.098 R)
• M32: 6,747,762 km (0.06 R)
• M33: 7,112,930 km (0.092 R)
• M34: 7,242,332 km (0.111 R)
• M35: 7,465,831 km (0.103 R)
• M36: 7,559,629 km (0.03 R)
• M37: 7,710,573 km (0.059 R)
• M38: 7,900,712 km (0.064 R)
• M39: 8,227,434 km (0.119 R)
• M40: 8,460,807 km (0.086 R)
• M41: 8,854,548 km (0.099 R)
• M42: 9,093,606 km (0.116 R)
• M43: 9,598,798 km (0.092 R)
• M44: 9,885,577 km (0.069 R)
• M45: 10,342,000 km (0.091 R)
• M46: 10,425,775 km (0.104 R)
• M47: 10,509,699 km (0.072 R)
• M48: 10,615,016 km (0.095 R)
• M49: 10,762,968 km (0.03 R)
• M50: 11,708,876 km (0.068 R)
• M51: 12,125,506 km (0.102 R)
• M52: 12,591,802 km (0.109 R)
• M53: 12,703,702 km (0.072 R)
• M54: 13,041,194 km (0.027 R)
• M55: 13,199,768 km (0.041 R)
• M56: 13,473,083 km (0.114 R)
• M57: 13,748,344 km (0.087 R)
• M58: 14,304,249 km (0.118 R)
• M59: 14,444,422 km (0.102 R)
• M60: 14,655,505 km (0.058 R)
• M61: 15,199,592 km (0.107 R)
• M62: 15,271,100 km (0.064 R)
• M63: 15,919,308 km (0.03 R)
• M64: 16,016,098 km (0.114 R)
• M65: 16,113,037 km (0.06 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 15,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit