🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.1

Radius: 14.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.63 AU - 0.71 AU

Year: 379 Days

Day: 5.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 93,976,798 km

• M1: 181,612 km (0.038 R)
• M2: 644,468 km (0.071 R)
• M3: 1,187,508 km (0.082 R)
• M4: 1,762,413 km (0.082 R)
• M5: 2,312,035 km (0.086 R)
• M6: 2,860,012 km (0.115 R)
• M7: 3,325,112 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 8.5

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.71 AU - 0.75 AU

Year: 431 Days

Day: 6.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 61 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,976,798 km

• M1: 105,766 km (0.113 R)
• M2: 452,534 km (0.093 R)
• M3: 831,914 km (0.088 R)
• M4: 1,156,242 km (0.114 R)
• M5: 1,616,255 km (0.076 R)
• M6: 2,077,166 km (0.093 R)
• M7: 2,421,690 km (0.12 R)
• M8: 2,728,665 km (0.115 R)
• M9: 3,756,702 km (0.116 R)
• M10: 4,343,873 km (0.102 R)
• M11: 4,799,698 km (0.099 R)
• M12: 5,303,993 km (0.065 R)
• M13: 6,006,355 km (0.105 R)
• M14: 6,611,777 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.3

Radius: 9.4

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.8 AU - 1.08 AU

Year: 629 Days

Day: 11.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,976,798 km

• M1: 117,434 km (0.081 R)
• M2: 442,062 km (0.077 R)
• M3: 876,195 km (0.062 R)
• M4: 1,245,701 km (0.12 R)
• M5: 1,679,386 km (0.068 R)
• M6: 2,007,753 km (0.068 R)
• M7: 2,359,009 km (0.037 R)
• M8: 2,673,912 km (0.095 R)
• M9: 3,162,349 km (0.028 R)
• M10: 3,560,280 km (0.063 R)
• M11: 4,348,810 km (0.118 R)
• M12: 4,695,129 km (0.041 R)
• M13: 5,407,813 km (0.06 R)
• M14: 6,017,126 km (0.076 R)
• M15: 7,026,462 km (0.076 R)
• M16: 7,482,736 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.8

Radius: 14.5

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.35 AU - 2.13 AU

Year: 1584 Days

Day: 8 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,976,798 km

• M1: 180,415 km (0.103 R)
• M2: 1,863,840 km (0.109 R)
• M3: 3,341,119 km (0.045 R)
• M4: 3,871,144 km (0.053 R)
• M5: 4,726,395 km (0.063 R)
• M6: 5,937,091 km (0.114 R)
• M7: 6,581,110 km (0.108 R)
• M8: 9,998,972 km (0.077 R)
• M9: 10,848,090 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.6

Radius: 13.3

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.65 AU - 1.83 AU

Year: 1584 Days

Day: 9.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,976,798 km

• M1: 165,605 km (0.078 R)
• M2: 600,187 km (0.091 R)
• M3: 1,056,311 km (0.109 R)
• M4: 1,491,491 km (0.089 R)
• M5: 2,151,517 km (0.105 R)
• M6: 2,677,054 km (0.098 R)
• M7: 3,398,415 km (0.079 R)
• M8: 4,455,025 km (0.094 R)
• M9: 5,018,261 km (0.095 R)
• M10: 5,812,176 km (0.07 R)
• M11: 6,662,640 km (0.084 R)
• M12: 7,185,036 km (0.102 R)
• M13: 8,048,814 km (0.079 R)
• M14: 10,880,403 km (0.101 R)
• M15: 11,495,549 km (0.096 R)
• M16: 12,481,399 km (0.098 R)
• M17: 14,234,537 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.3

Radius: 13.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.71 AU - 2.25 AU

Year: 1923 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,976,798 km

• M1: 170,392 km (0.044 R)
• M2: 613,501 km (0.092 R)
• M3: 1,105,678 km (0.096 R)
• M4: 1,620,893 km (0.059 R)
• M5: 2,562,013 km (0.111 R)
• M6: 3,385,400 km (0.077 R)
• M7: 3,896,875 km (0.067 R)
• M8: 4,459,812 km (0.117 R)
• M9: 5,256,869 km (0.071 R)
• M10: 5,774,478 km (0.109 R)
• M11: 7,305,014 km (0.08 R)
• M12: 8,959,716 km (0.107 R)
• M13: 9,563,343 km (0.04 R)
• M14: 10,410,366 km (0.109 R)
• M15: 14,127,574 km (0.059 R)
• M16: 14,854,021 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.7

Radius: 8

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.24 AU - 2.72 AU

Year: 2696 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,976,798 km

• M1: 99,632 km (0.053 R)
• M2: 383,419 km (0.106 R)
• M3: 929,003 km (0.091 R)
• M4: 1,432,699 km (0.11 R)
• M5: 1,708,856 km (0.111 R)
• M6: 2,524,165 km (0.096 R)
• M7: 2,821,416 km (0.062 R)
• M8: 3,225,779 km (0.106 R)
• M9: 3,705,539 km (0.068 R)
• M10: 4,191,433 km (0.058 R)
• M11: 5,313,866 km (0.095 R)
• M12: 5,779,415 km (0.108 R)
• M13: 6,379,152 km (0.088 R)
• M14: 6,962,285 km (0.075 R)
• M15: 8,959,865 km (0.099 R)
• M16: 9,513,527 km (0.1 R)
• M17: 10,612,772 km (0.108 R)
• M18: 11,999,694 km (0.107 R)
• M19: 14,184,870 km (0.115 R)
• M20: 15,032,492 km (0.059 R)
• M21: 16,880,624 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 14.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.86 AU - 3.18 AU

Year: 3623 Days

Day: 7.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 68.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,976,798 km

• M1: 181,313 km (0.046 R)
• M2: 856,897 km (0.047 R)
• M3: 1,666,670 km (0.116 R)
• M4: 2,684,384 km (0.114 R)
• M5: 3,271,406 km (0.11 R)
• M6: 4,044,079 km (0.073 R)
• M7: 4,662,068 km (0.061 R)
• M8: 5,269,286 km (0.115 R)
• M9: 7,414,519 km (0.104 R)
• M10: 7,982,842 km (0.092 R)
• M11: 10,129,122 km (0.091 R)
• M12: 13,728,597 km (0.12 R)
• M13: 14,685,724 km (0.075 R)
• M14: 16,893,938 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.9

Radius: 7.4

Gravity: 17.84 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.97 AU - 11.57 AU

Year: 19482 Days

Day: 16 Hours

Environment

Temp: -243 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,976,798 km

• M1: 92,152 km (0.1 R)
• M2: 411,245 km (0.075 R)
• M3: 715,377 km (0.097 R)
• M4: 1,075,309 km (0.12 R)
• M5: 1,437,336 km (0.097 R)
• M6: 2,058,766 km (0.092 R)
• M7: 2,407,628 km (0.085 R)
• M8: 5,472,440 km (0.091 R)
• M9: 7,107,844 km (0.093 R)
• M10: 10,537,674 km (0.102 R)
• M11: 10,854,821 km (0.056 R)
• M12: 13,037,754 km (0.077 R)
• M13: 17,009,128 km (0.072 R)
• M14: 23,072,928 km (0.087 R)
• M15: 31,864,197 km (0.096 R)
• M16: 34,158,430 km (0.073 R)
• M17: 38,471,935 km (0.094 R)
• M18: 46,784,640 km (0.058 R)
• M19: 50,814,657 km (0.102 R)
• M20: 55,070,267 km (0.115 R)
• M21: 71,489,382 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.2

Radius: 5.9

Gravity: 27.35 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.65 AU - 12.23 AU

Year: 23284 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 93,976,798 km

• M1: 76,445 km (0.069 R)
• M2: 353,799 km (0.091 R)
• M3: 1,142,928 km (0.083 R)
• M4: 1,742,965 km (0.113 R)
• M5: 2,047,696 km (0.076 R)
• M6: 2,484,073 km (0.119 R)
• M7: 3,829,705 km (0.116 R)
• M8: 4,639,628 km (0.096 R)
• M9: 6,128,426 km (0.117 R)
• M10: 6,592,778 km (0.042 R)
• M11: 7,435,613 km (0.038 R)
• M12: 8,802,638 km (0.041 R)
• M13: 15,274,391 km (0.117 R)
• M14: 17,739,615 km (0.097 R)
• M15: 19,359,161 km (0.116 R)
• M16: 19,555,882 km (0.063 R)
• M17: 21,282,990 km (0.098 R)
• M18: 22,670,510 km (0.11 R)
• M19: 28,063,813 km (0.074 R)
• M20: 28,824,967 km (0.119 R)
• M21: 32,420,551 km (0.09 R)
• M22: 41,294,697 km (0.066 R)
• M23: 43,953,350 km (0.113 R)
• M24: 44,979,143 km (0.108 R)
• M25: 45,497,948 km (0.085 R)
• M26: 47,256,023 km (0.118 R)
• M27: 54,350,402 km (0.116 R)
• M28: 56,328,834 km (0.043 R)
• M29: 59,178,374 km (0.044 R)
• M30: 60,218,828 km (0.117 R)
• M31: 61,909,134 km (0.064 R)
• M32: 65,383,844 km (0.081 R)
• M33: 66,272,306 km (0.119 R)
• M34: 70,836,237 km (0.102 R)
• M35: 74,634,826 km (0.037 R)
• M36: 76,584,087 km (0.114 R)
• M37: 79,068,010 km (0.039 R)
• M38: 87,376,676 km (0.088 R)
• M39: 89,268,640 km (0.103 R)
• M40: 91,741,044 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 13,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit