🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.8

Radius: 13

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.45 AU - 0.75 AU

Year: 321 Days

Day: 5.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 20,511,587 km

• M1: 162,762 km (0.112 R)
• M2: 274,213 km (0.059 R)
• M3: 387,010 km (0.055 R)
• M4: 474,524 km (0.111 R)
• M5: 614,698 km (0.118 R)
• M6: 699,220 km (0.09 R)
• M7: 799,152 km (0.056 R)
• M8: 934,687 km (0.113 R)
• M9: 1,019,210 km (0.117 R)
• M10: 1,110,615 km (0.115 R)
• M11: 1,209,349 km (0.119 R)
• M12: 1,363,435 km (0.109 R)
• M13: 1,492,388 km (0.099 R)
• M14: 1,687,015 km (0.111 R)
• M15: 1,880,296 km (0.093 R)
• M16: 1,999,974 km (0.052 R)
• M17: 2,101,700 km (0.101 R)
• M18: 2,247,259 km (0.095 R)
• M19: 2,428,572 km (0.077 R)
• M20: 2,625,891 km (0.088 R)
• M21: 2,754,845 km (0.114 R)
• M22: 2,840,116 km (0.03 R)
• M23: 2,932,118 km (0.084 R)
• M24: 3,048,505 km (0.09 R)
• M25: 3,160,554 km (0.079 R)
• M26: 3,243,880 km (0.108 R)
• M27: 3,346,355 km (0.115 R)
• M28: 3,492,661 km (0.045 R)
• M29: 3,635,079 km (0.083 R)
• M30: 3,773,157 km (0.111 R)
• M31: 3,912,882 km (0.066 R)
• M32: 4,002,790 km (0.116 R)
• M33: 4,112,894 km (0.06 R)
• M34: 4,309,615 km (0.114 R)
• M35: 4,442,608 km (0.027 R)
• M36: 4,597,143 km (0.064 R)
• M37: 4,692,137 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.7

Radius: 10.2

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.17 AU - 1.59 AU

Year: 1119 Days

Day: 14.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 20,511,587 km

• M1: 176,974 km (0.057 R)
• M2: 274,662 km (0.09 R)
• M3: 406,009 km (0.035 R)
• M4: 549,323 km (0.091 R)
• M5: 630,256 km (0.108 R)
• M6: 755,469 km (0.112 R)
• M7: 868,416 km (0.116 R)
• M8: 1,032,076 km (0.095 R)
• M9: 1,117,795 km (0.117 R)
• M10: 1,284,747 km (0.08 R)
• M11: 1,421,928 km (0.088 R)
• M12: 1,498,821 km (0.045 R)
• M13: 1,577,210 km (0.107 R)
• M14: 1,704,219 km (0.103 R)
• M15: 1,876,705 km (0.083 R)
• M16: 1,990,250 km (0.109 R)
• M17: 2,142,690 km (0.093 R)
• M18: 2,254,141 km (0.117 R)
• M19: 2,568,446 km (0.101 R)
• M20: 2,775,190 km (0.03 R)
• M21: 2,839,966 km (0.068 R)
• M22: 2,905,191 km (0.115 R)
• M23: 3,112,384 km (0.042 R)
• M24: 3,204,985 km (0.082 R)
• M25: 3,393,329 km (0.094 R)
• M26: 3,647,046 km (0.066 R)
• M27: 3,718,255 km (0.062 R)
• M28: 3,789,763 km (0.1 R)
• M29: 3,898,072 km (0.071 R)
• M30: 4,044,079 km (0.079 R)
• M31: 4,182,457 km (0.101 R)
• M32: 4,257,107 km (0.102 R)
• M33: 4,407,452 km (0.104 R)
• M34: 4,569,168 km (0.074 R)
• M35: 4,694,232 km (0.119 R)
• M36: 4,791,171 km (0.114 R)
• M37: 5,046,535 km (0.082 R)
• M38: 5,245,949 km (0.098 R)
• M39: 5,673,200 km (0.1 R)
• M40: 5,776,722 km (0.08 R)
• M41: 5,995,883 km (0.09 R)
• M42: 6,164,779 km (0.063 R)
• M43: 6,324,549 km (0.056 R)
• M44: 6,399,647 km (0.105 R)
• M45: 6,528,900 km (0.109 R)
• M46: 6,669,971 km (0.083 R)
• M47: 6,746,415 km (0.097 R)
• M48: 6,944,184 km (0.039 R)
• M49: 7,110,536 km (0.109 R)
• M50: 7,199,846 km (0.079 R)
• M51: 7,424,542 km (0.055 R)
• M52: 7,594,635 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.2

Radius: 10.4

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.4 AU - 1.52 AU

Year: 1218 Days

Day: 14.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 20,511,587 km

• M1: 130,150 km (0.099 R)
• M2: 303,983 km (0.048 R)
• M3: 416,929 km (0.104 R)
• M4: 522,695 km (0.058 R)
• M5: 822,639 km (0.079 R)
• M6: 912,098 km (0.094 R)
• M7: 1,005,148 km (0.095 R)
• M8: 1,101,639 km (0.112 R)
• M9: 1,208,152 km (0.109 R)
• M10: 1,304,194 km (0.071 R)
• M11: 1,395,898 km (0.115 R)
• M12: 1,511,986 km (0.099 R)
• M13: 1,707,510 km (0.065 R)
• M14: 1,785,002 km (0.116 R)
• M15: 2,000,273 km (0.075 R)
• M16: 2,073,875 km (0.071 R)
• M17: 2,182,035 km (0.101 R)
• M18: 2,291,989 km (0.092 R)
• M19: 2,369,331 km (0.071 R)
• M20: 2,669,424 km (0.11 R)
• M21: 2,787,308 km (0.089 R)
• M22: 2,870,035 km (0.065 R)
• M23: 2,981,635 km (0.079 R)
• M24: 3,085,306 km (0.114 R)
• M25: 3,238,196 km (0.065 R)
• M26: 3,442,696 km (0.069 R)
• M27: 3,521,683 km (0.103 R)
• M28: 3,611,293 km (0.082 R)
• M29: 3,762,536 km (0.063 R)
• M30: 3,833,745 km (0.11 R)
• M31: 4,019,096 km (0.104 R)
• M32: 4,196,968 km (0.097 R)
• M33: 4,271,019 km (0.117 R)
• M34: 4,495,566 km (0.078 R)
• M35: 4,636,636 km (0.117 R)
• M36: 4,812,264 km (0.106 R)
• M37: 5,057,306 km (0.032 R)
• M38: 5,147,364 km (0.093 R)
• M39: 5,238,169 km (0.118 R)
• M40: 6,489,556 km (0.114 R)
• M41: 6,587,542 km (0.116 R)
• M42: 6,723,228 km (0.092 R)
• M43: 6,810,144 km (0.117 R)
• M44: 7,072,987 km (0.089 R)
• M45: 7,224,530 km (0.12 R)
• M46: 7,326,257 km (0.068 R)
• M47: 7,595,682 km (0.08 R)
• M48: 7,673,174 km (0.072 R)
• M49: 7,776,995 km (0.109 R)
• M50: 7,920,459 km (0.069 R)
• M51: 8,078,135 km (0.073 R)
• M52: 8,157,273 km (0.09 R)
• M53: 8,303,131 km (0.094 R)
• M54: 8,423,108 km (0.032 R)
• M55: 8,489,978 km (0.075 R)
• M56: 8,827,172 km (0.096 R)
• M57: 8,922,316 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.8

Radius: 11.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.32 AU - 2.72 AU

Year: 2761 Days

Day: 6.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 20,511,587 km

• M1: 147,504 km (0.074 R)
• M2: 227,538 km (0.082 R)
• M3: 337,044 km (0.11 R)
• M4: 460,013 km (0.098 R)
• M5: 538,104 km (0.077 R)
• M6: 710,739 km (0.095 R)
• M7: 810,372 km (0.103 R)
• M8: 1,031,029 km (0.105 R)
• M9: 1,158,785 km (0.073 R)
• M10: 1,545,795 km (0.084 R)
• M11: 1,701,227 km (0.071 R)
• M12: 1,800,261 km (0.111 R)
• M13: 1,909,018 km (0.093 R)
• M14: 1,996,084 km (0.087 R)
• M15: 2,133,415 km (0.098 R)
• M16: 2,207,466 km (0.053 R)
• M17: 2,307,547 km (0.06 R)
• M18: 2,529,850 km (0.092 R)
• M19: 2,705,627 km (0.082 R)
• M20: 2,885,444 km (0.118 R)
• M21: 3,069,449 km (0.099 R)
• M22: 3,219,496 km (0.067 R)
• M23: 3,371,936 km (0.04 R)
• M24: 3,517,046 km (0.047 R)
• M25: 3,624,906 km (0.097 R)
• M26: 4,170,190 km (0.12 R)
• M27: 4,473,724 km (0.083 R)
• M28: 4,655,037 km (0.089 R)
• M29: 4,751,976 km (0.108 R)
• M30: 4,827,972 km (0.071 R)
• M31: 5,370,863 km (0.11 R)
• M32: 5,518,217 km (0.086 R)
• M33: 5,828,483 km (0.047 R)
• M34: 6,050,336 km (0.05 R)
• M35: 6,227,460 km (0.113 R)
• M36: 6,418,197 km (0.099 R)
• M37: 6,635,264 km (0.112 R)
• M38: 6,965,426 km (0.074 R)
• M39: 7,188,477 km (0.093 R)
• M40: 7,300,974 km (0.027 R)
• M41: 7,667,340 km (0.103 R)
• M42: 7,794,947 km (0.077 R)
• M43: 8,104,465 km (0.112 R)
• M44: 8,195,420 km (0.073 R)
• M45: 8,273,809 km (0.11 R)
• M46: 8,602,626 km (0.082 R)
• M47: 8,722,154 km (0.047 R)
• M48: 8,815,503 km (0.086 R)
• M49: 8,909,152 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.3

Radius: 8.2

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.09 AU - 3.13 AU

Year: 2911 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 20,511,587 km

• M1: 156,031 km (0.074 R)
• M2: 284,386 km (0.11 R)
• M3: 471,084 km (0.068 R)
• M4: 715,227 km (0.12 R)
• M5: 837,299 km (0.097 R)
• M6: 1,039,107 km (0.083 R)
• M7: 1,267,842 km (0.046 R)
• M8: 1,324,689 km (0.064 R)
• M9: 1,394,103 km (0.076 R)
• M10: 1,476,681 km (0.083 R)
• M11: 1,721,871 km (0.109 R)
• M12: 1,927,419 km (0.036 R)
• M13: 2,019,870 km (0.116 R)
• M14: 2,127,431 km (0.045 R)
• M15: 2,250,700 km (0.046 R)
• M16: 2,576,674 km (0.093 R)
• M17: 3,039,530 km (0.082 R)
• M18: 3,178,805 km (0.054 R)
• M19: 3,447,633 km (0.114 R)
• M20: 3,740,246 km (0.116 R)
• M21: 3,839,729 km (0.053 R)
• M22: 3,939,959 km (0.084 R)
• M23: 4,041,087 km (0.118 R)
• M24: 4,315,001 km (0.116 R)
• M25: 4,401,917 km (0.094 R)
• M26: 4,489,283 km (0.12 R)
• M27: 4,899,181 km (0.098 R)
• M28: 4,953,485 km (0.107 R)
• M29: 5,564,442 km (0.102 R)
• M30: 5,754,432 km (0.106 R)
• M31: 5,946,366 km (0.104 R)
• M32: 6,415,953 km (0.077 R)
• M33: 6,755,690 km (0.103 R)
• M34: 7,224,829 km (0.081 R)
• M35: 7,369,640 km (0.054 R)
• M36: 7,536,442 km (0.117 R)
• M37: 7,894,878 km (0.105 R)
• M38: 8,302,233 km (0.071 R)
• M39: 8,453,925 km (0.118 R)
• M40: 9,114,849 km (0.067 R)
• M41: 9,383,975 km (0.086 R)
• M42: 9,542,100 km (0.101 R)
• M43: 10,021,861 km (0.026 R)
• M44: 10,626,685 km (0.116 R)
• M45: 11,028,654 km (0.118 R)
• M46: 11,123,948 km (0.059 R)
• M47: 11,507,816 km (0.115 R)
• M48: 12,387,452 km (0.09 R)
• M49: 12,810,365 km (0.108 R)
• M50: 13,036,108 km (0.09 R)
• M51: 13,212,634 km (0.066 R)
• M52: 13,491,783 km (0.111 R)
• M53: 14,184,870 km (0.083 R)
• M54: 14,731,950 km (0.087 R)
• M55: 15,127,037 km (0.076 R)
• M56: 15,846,902 km (0.085 R)
• M57: 16,632,441 km (0.056 R)
• M58: 16,714,420 km (0.108 R)
• M59: 17,098,887 km (0.116 R)
• M60: 17,209,290 km (0.039 R)
• M61: 17,403,019 km (0.079 R)
• M62: 17,541,846 km (0.112 R)
• M63: 17,625,322 km (0.06 R)
• M64: 17,876,497 km (0.047 R)
• M65: 18,185,117 km (0.098 R)
• M66: 18,665,476 km (0.106 R)
• M67: 19,007,157 km (0.095 R)
• M68: 19,178,746 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.1

Radius: 8.2

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.32 AU - 5.48 AU

Year: 6371 Days

Day: 9.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 20,511,587 km

• M1: 135,536 km (0.081 R)
• M2: 229,633 km (0.053 R)
• M3: 287,378 km (0.093 R)
• M4: 339,587 km (0.075 R)
• M5: 834,607 km (0.036 R)
• M6: 988,992 km (0.088 R)
• M7: 1,824,196 km (0.112 R)
• M8: 3,258,690 km (0.083 R)
• M9: 3,431,925 km (0.066 R)
• M10: 4,139,223 km (0.075 R)
• M11: 4,201,456 km (0.098 R)
• M12: 4,453,678 km (0.109 R)
• M13: 4,841,436 km (0.081 R)
• M14: 5,039,354 km (0.1 R)
• M15: 5,324,338 km (0.057 R)
• M16: 6,425,677 km (0.078 R)
• M17: 7,216,751 km (0.108 R)
• M18: 8,018,745 km (0.054 R)
• M19: 8,390,945 km (0.114 R)
• M20: 8,748,783 km (0.111 R)
• M21: 8,909,301 km (0.118 R)
• M22: 9,213,134 km (0.031 R)
• M23: 10,632,669 km (0.064 R)
• M24: 11,236,745 km (0.092 R)
• M25: 12,052,203 km (0.03 R)
• M26: 12,119,073 km (0.062 R)
• M27: 12,977,765 km (0.07 R)
• M28: 14,325,941 km (0.105 R)
• M29: 14,610,476 km (0.118 R)
• M30: 15,112,826 km (0.085 R)
• M31: 16,455,018 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.5

Radius: 3.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.17 AU - 6.21 AU

Year: 10630 Days

Day: 23.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 20,511,587 km

• M1: 54,454 km (0.09 R)
• M2: 269,276 km (0.076 R)
• M3: 434,432 km (0.057 R)
• M4: 599,738 km (0.082 R)
• M5: 684,709 km (0.101 R)
• M6: 845,378 km (0.079 R)
• M7: 1,096,403 km (0.095 R)
• M8: 1,332,468 km (0.105 R)
• M9: 1,494,333 km (0.078 R)
• M10: 1,728,753 km (0.111 R)
• M11: 2,115,912 km (0.115 R)
• M12: 2,393,416 km (0.03 R)
• M13: 3,393,029 km (0.054 R)
• M14: 3,511,212 km (0.104 R)
• M15: 3,579,428 km (0.043 R)
• M16: 4,615,693 km (0.05 R)
• M17: 4,652,943 km (0.103 R)
• M18: 4,709,191 km (0.098 R)
• M19: 5,577,757 km (0.111 R)
• M20: 6,019,968 km (0.114 R)
• M21: 6,473,549 km (0.088 R)
• M22: 6,536,230 km (0.097 R)
• M23: 6,810,293 km (0.105 R)
• M24: 6,938,050 km (0.063 R)
• M25: 7,304,266 km (0.115 R)
• M26: 7,588,502 km (0.08 R)
• M27: 8,167,894 km (0.082 R)
• M28: 9,297,807 km (0.112 R)
• M29: 10,648,077 km (0.101 R)
• M30: 10,722,128 km (0.06 R)
• M31: 11,623,904 km (0.038 R)
• M32: 11,955,413 km (0.116 R)
• M33: 11,981,144 km (0.115 R)
• M34: 12,471,675 km (0.094 R)
• M35: 12,523,735 km (0.111 R)
• M36: 12,758,754 km (0.082 R)
• M37: 12,889,801 km (0.108 R)
• M38: 12,995,118 km (0.117 R)
• M39: 13,472,335 km (0.107 R)
• M40: 13,632,704 km (0.115 R)
• M41: 13,686,260 km (0.085 R)
• M42: 13,820,599 km (0.107 R)
• M43: 14,171,855 km (0.063 R)
• M44: 14,553,330 km (0.119 R)
• M45: 15,802,173 km (0.098 R)
• M46: 16,226,133 km (0.117 R)
• M47: 16,254,407 km (0.093 R)
• M48: 16,596,388 km (0.083 R)
• M49: 17,084,974 km (0.091 R)
• M50: 17,870,662 km (0.117 R)
• M51: 18,076,210 km (0.045 R)
• M52: 18,787,099 km (0.1 R)
• M53: 19,597,620 km (0.113 R)
• M54: 19,839,969 km (0.107 R)
• M55: 20,480,846 km (0.071 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: 524 - 20,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit