🌌 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: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.62 AU - 0.62 AU

Year: 315 Days

Day: 45.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 95,803,498 km

• M1: 44,131 km (0.114 R)
• M2: 68,516 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 9.1

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.55 AU - 0.83 AU

Year: 370 Days

Day: 9.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 95,803,498 km

• M1: 113,096 km (0.069 R)
• M2: 406,906 km (0.043 R)
• M3: 819,198 km (0.112 R)
• M4: 1,169,556 km (0.106 R)
• M5: 1,510,490 km (0.115 R)
• M6: 1,794,277 km (0.119 R)
• M7: 2,333,577 km (0.073 R)
• M8: 3,358,622 km (0.08 R)
• M9: 3,900,465 km (0.052 R)
• M10: 4,542,539 km (0.088 R)
• M11: 4,942,265 km (0.103 R)
• M12: 5,495,328 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.2

Radius: 13.5

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.81 AU - 0.87 AU

Year: 497 Days

Day: 14.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 95,803,498 km

• M1: 169,046 km (0.116 R)
• M2: 646,712 km (0.11 R)
• M3: 1,299,258 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.6

Radius: 13.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.41 AU - 1.51 AU

Year: 1139 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 95,803,498 km

• M1: 169,195 km (0.069 R)
• M2: 609,611 km (0.113 R)
• M3: 1,034,020 km (0.067 R)
• M4: 1,511,387 km (0.097 R)
• M5: 2,010,446 km (0.086 R)
• M6: 4,843,231 km (0.107 R)
• M7: 6,083,397 km (0.084 R)
• M8: 6,839,615 km (0.088 R)
• M9: 7,578,179 km (0.115 R)
• M10: 8,511,371 km (0.099 R)
• M11: 9,894,104 km (0.077 R)
• M12: 10,540,068 km (0.087 R)
• M13: 11,352,234 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 9.5

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.77 AU - 2.23 AU

Year: 1826 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 127.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 95,803,498 km

• M1: 118,631 km (0.09 R)
• M2: 484,099 km (0.071 R)
• M3: 884,722 km (0.033 R)
• M4: 1,287,888 km (0.119 R)
• M5: 1,694,794 km (0.052 R)
• M6: 2,459,987 km (0.101 R)
• M7: 2,800,771 km (0.057 R)
• M8: 3,140,957 km (0.08 R)
• M9: 3,830,753 km (0.085 R)
• M10: 4,473,126 km (0.111 R)
• M11: 5,439,379 km (0.082 R)
• M12: 5,798,713 km (0.111 R)
• M13: 6,199,635 km (0.114 R)
• M14: 8,237,308 km (0.112 R)
• M15: 9,039,152 km (0.111 R)
• M16: 9,340,143 km (0.079 R)
• M17: 9,717,279 km (0.106 R)
• M18: 10,501,920 km (0.088 R)
• M19: 12,076,139 km (0.074 R)
• M20: 14,157,045 km (0.119 R)
• M21: 15,164,886 km (0.117 R)
• M22: 16,367,503 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 13.5

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.28 AU - 4.86 AU

Year: 6308 Days

Day: 8 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 95,803,498 km

• M1: 168,148 km (0.046 R)
• M2: 651,798 km (0.114 R)
• M3: 1,113,008 km (0.102 R)
• M4: 1,637,797 km (0.038 R)
• M5: 2,311,138 km (0.089 R)
• M6: 2,780,426 km (0.094 R)
• M7: 3,514,054 km (0.052 R)
• M8: 4,754,819 km (0.071 R)
• M9: 5,278,112 km (0.117 R)
• M10: 6,303,755 km (0.093 R)
• M11: 7,689,630 km (0.101 R)
• M12: 10,184,025 km (0.109 R)
• M13: 10,614,717 km (0.111 R)
• M14: 13,064,681 km (0.116 R)
• M15: 16,191,277 km (0.119 R)
• M16: 19,638,760 km (0.059 R)
• M17: 21,612,255 km (0.12 R)
• M18: 26,846,684 km (0.108 R)
• M19: 31,944,830 km (0.094 R)
• M20: 32,766,571 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.9

Radius: 12.6

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.18 AU - 6.54 AU

Year: 8012 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 95,803,498 km

• M1: 161,715 km (0.108 R)
• M2: 569,220 km (0.055 R)
• M3: 1,199,177 km (0.112 R)
• M4: 1,721,572 km (0.06 R)
• M5: 2,828,746 km (0.107 R)
• M6: 3,992,169 km (0.113 R)
• M7: 4,657,879 km (0.118 R)
• M8: 5,258,964 km (0.039 R)
• M9: 6,150,866 km (0.117 R)
• M10: 7,762,933 km (0.069 R)
• M11: 8,345,766 km (0.102 R)
• M12: 11,110,783 km (0.104 R)
• M13: 13,025,636 km (0.111 R)
• M14: 13,588,872 km (0.1 R)
• M15: 14,114,858 km (0.087 R)
• M16: 17,623,377 km (0.099 R)
• M17: 18,376,303 km (0.09 R)
• M18: 22,249,243 km (0.114 R)
• M19: 23,728,317 km (0.078 R)
• M20: 24,724,040 km (0.044 R)
• M21: 26,881,241 km (0.077 R)
• M22: 27,627,436 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.6

Radius: 3

Gravity: 52.51 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.79 AU - 6.71 AU

Year: 10089 Days

Day: 22.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 95,803,498 km

• M1: 51,312 km (0.093 R)
• M2: 186,848 km (0.087 R)
• M3: 298,149 km (0.051 R)
• M4: 522,246 km (0.045 R)
• M5: 618,438 km (0.1 R)
• M6: 726,597 km (0.092 R)
• M7: 912,996 km (0.12 R)
• M8: 1,681,031 km (0.101 R)
• M9: 1,974,094 km (0.092 R)
• M10: 3,813,699 km (0.109 R)
• M11: 4,100,178 km (0.107 R)
• M12: 4,428,695 km (0.096 R)
• M13: 5,851,670 km (0.103 R)
• M14: 7,080,916 km (0.097 R)
• M15: 7,393,276 km (0.108 R)
• M16: 7,879,021 km (0.096 R)
• M17: 8,958,818 km (0.057 R)
• M18: 9,842,493 km (0.054 R)
• M19: 14,700,534 km (0.095 R)
• M20: 15,016,634 km (0.067 R)
• M21: 20,393,631 km (0.102 R)
• M22: 23,939,549 km (0.089 R)
• M23: 24,730,473 km (0.1 R)
• M24: 25,177,172 km (0.086 R)
• M25: 29,643,267 km (0.112 R)
• M26: 30,554,617 km (0.093 R)
• M27: 30,657,092 km (0.097 R)
• M28: 31,484,517 km (0.062 R)
• M29: 31,589,086 km (0.061 R)
• M30: 31,693,805 km (0.076 R)
• M31: 36,533,595 km (0.08 R)
• M32: 39,491,295 km (0.091 R)
• M33: 39,856,613 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.6

Radius: 3.6

Gravity: 63.4 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.8 AU - 9.84 AU

Year: 19869 Days

Day: 15.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 95,803,498 km

• M1: 44,730 km (0.088 R)
• M2: 167,101 km (0.096 R)
• M3: 316,250 km (0.09 R)
• M4: 596,596 km (0.106 R)
• M5: 901,327 km (0.11 R)
• M6: 1,184,815 km (0.115 R)
• M7: 1,458,729 km (0.072 R)
• M8: 1,926,671 km (0.108 R)
• M9: 2,680,794 km (0.041 R)
• M10: 2,935,709 km (0.119 R)
• M11: 4,529,076 km (0.072 R)
• M12: 8,081,127 km (0.08 R)
• M13: 8,343,672 km (0.113 R)
• M14: 9,861,043 km (0.108 R)
• M15: 10,100,549 km (0.035 R)
• M16: 11,032,993 km (0.026 R)
• M17: 13,575,408 km (0.075 R)
• M18: 15,100,110 km (0.055 R)
• M19: 15,659,606 km (0.091 R)
• M20: 23,489,409 km (0.073 R)
• M21: 24,566,364 km (0.116 R)
• M22: 26,586,982 km (0.1 R)
• M23: 27,401,842 km (0.081 R)
• M24: 27,874,870 km (0.077 R)
• M25: 29,081,228 km (0.103 R)
• M26: 30,827,932 km (0.108 R)
• M27: 32,379,711 km (0.108 R)
• M28: 33,174,824 km (0.111 R)
• M29: 43,114,406 km (0.098 R)
• M30: 49,973,468 km (0.085 R)
• M31: 51,930,058 km (0.093 R)
• M32: 53,937,213 km (0.112 R)
• M33: 56,565,648 km (0.096 R)
• M34: 58,299,637 km (0.087 R)
• M35: 61,267,958 km (0.105 R)
• M36: 61,671,124 km (0.109 R)
• M37: 63,713,883 km (0.073 R)
• M38: 68,582,246 km (0.106 R)
• M39: 72,786,395 km (0.06 R)
• M40: 75,066,566 km (0.091 R)
• M41: 75,297,096 km (0.098 R)
• M42: 78,812,945 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.3

Radius: 4.2

Gravity: 55.57 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 9.2 AU - 12.84 AU

Year: 23620 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 95,803,498 km

• M1: 52,509 km (0.102 R)
• M2: 356,342 km (0.097 R)
• M3: 1,232,537 km (0.066 R)
• M4: 1,566,439 km (0.111 R)
• M5: 2,065,348 km (0.049 R)
• M6: 2,436,201 km (0.053 R)
• M7: 2,795,685 km (0.091 R)
• M8: 4,708,294 km (0.041 R)
• M9: 5,182,818 km (0.1 R)
• M10: 6,895,863 km (0.092 R)
• M11: 9,131,304 km (0.074 R)
• M12: 12,979,261 km (0.082 R)
• M13: 15,982,887 km (0.114 R)
• M14: 19,025,857 km (0.027 R)
• M15: 22,433,547 km (0.069 R)
• M16: 22,762,214 km (0.114 R)
• M17: 23,541,319 km (0.1 R)
• M18: 25,152,788 km (0.075 R)
• M19: 29,369,503 km (0.1 R)
• M20: 38,071,761 km (0.115 R)
• M21: 39,168,462 km (0.037 R)
• M22: 39,326,737 km (0.076 R)
• M23: 43,088,076 km (0.054 R)
• M24: 44,278,726 km (0.09 R)
• M25: 47,620,742 km (0.05 R)
• M26: 49,630,440 km (0.04 R)
• M27: 51,505,948 km (0.118 R)
• M28: 51,886,525 km (0.104 R)
• M29: 55,797,014 km (0.111 R)
• M30: 68,010,034 km (0.081 R)
• M31: 74,855,932 km (0.117 R)
• M32: 77,070,429 km (0.111 R)
• M33: 85,297,415 km (0.083 R)
• M34: 87,171,876 km (0.054 R)
• M35: 89,621,990 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 17,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit