🌌 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 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.7

Radius: 11.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.46 AU - 0.68 AU

Year: 297 Days

Day: 5.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,058,252 km

• M1: 146,756 km (0.095 R)
• M2: 542,143 km (0.101 R)
• M3: 972,386 km (0.06 R)
• M4: 1,538,016 km (0.118 R)
• M5: 2,284,060 km (0.058 R)
• M6: 2,731,508 km (0.104 R)
• M7: 3,341,717 km (0.047 R)
• M8: 3,875,034 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.1

Radius: 12.2

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.94 AU - 1.38 AU

Year: 862 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,058,252 km

• M1: 151,692 km (0.089 R)
• M2: 539,600 km (0.058 R)
• M3: 1,144,723 km (0.098 R)
• M4: 1,653,505 km (0.038 R)
• M5: 2,281,068 km (0.037 R)
• M6: 2,668,676 km (0.106 R)
• M7: 3,523,778 km (0.04 R)
• M8: 4,439,018 km (0.03 R)
• M9: 5,911,210 km (0.098 R)
• M10: 6,440,039 km (0.087 R)
• M11: 7,044,713 km (0.11 R)
• M12: 7,430,077 km (0.092 R)
• M13: 8,697,471 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 10.3

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.57 AU - 2.03 AU

Year: 1667 Days

Day: 5.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,058,252 km

• M1: 128,056 km (0.118 R)
• M2: 631,602 km (0.103 R)
• M3: 1,153,400 km (0.072 R)
• M4: 1,629,869 km (0.093 R)
• M5: 1,960,630 km (0.075 R)
• M6: 2,336,569 km (0.043 R)
• M7: 2,674,810 km (0.073 R)
• M8: 3,030,254 km (0.026 R)
• M9: 4,761,251 km (0.115 R)
• M10: 5,517,319 km (0.101 R)
• M11: 5,899,841 km (0.09 R)
• M12: 6,852,779 km (0.057 R)
• M13: 7,437,707 km (0.098 R)
• M14: 8,392,590 km (0.069 R)
• M15: 9,767,395 km (0.104 R)
• M16: 10,150,964 km (0.064 R)
• M17: 10,690,413 km (0.102 R)
• M18: 11,098,068 km (0.118 R)
• M19: 12,182,652 km (0.102 R)
• M20: 13,809,230 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.7

Radius: 12.8

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.39 AU - 3.41 AU

Year: 3409 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,058,252 km

• M1: 159,172 km (0.068 R)
• M2: 597,793 km (0.108 R)
• M3: 1,058,255 km (0.078 R)
• M4: 1,458,878 km (0.115 R)
• M5: 1,886,429 km (0.114 R)
• M6: 2,429,170 km (0.089 R)
• M7: 3,021,578 km (0.092 R)
• M8: 3,567,610 km (0.03 R)
• M9: 4,046,922 km (0.092 R)
• M10: 4,616,590 km (0.114 R)
• M11: 5,265,546 km (0.055 R)
• M12: 5,749,794 km (0.111 R)
• M13: 6,684,631 km (0.069 R)
• M14: 7,483,484 km (0.112 R)
• M15: 9,426,012 km (0.12 R)
• M16: 13,476,823 km (0.049 R)
• M17: 15,016,036 km (0.07 R)
• M18: 18,197,983 km (0.109 R)
• M19: 19,817,978 km (0.112 R)
• M20: 23,630,779 km (0.045 R)
• M21: 25,329,612 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.7

Radius: 9.5

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.68 AU - 4.72 AU

Year: 5941 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,058,252 km

• M1: 118,182 km (0.097 R)
• M2: 467,045 km (0.119 R)
• M3: 771,327 km (0.11 R)
• M4: 1,572,124 km (0.116 R)
• M5: 2,121,148 km (0.104 R)
• M6: 4,585,175 km (0.09 R)
• M7: 4,912,495 km (0.098 R)
• M8: 6,721,582 km (0.116 R)
• M9: 7,037,682 km (0.099 R)
• M10: 7,661,954 km (0.105 R)
• M11: 8,811,464 km (0.09 R)
• M12: 10,675,005 km (0.079 R)
• M13: 11,057,676 km (0.088 R)
• M14: 13,716,629 km (0.094 R)
• M15: 14,341,499 km (0.098 R)
• M16: 15,709,422 km (0.093 R)
• M17: 19,329,990 km (0.034 R)
• M18: 19,684,387 km (0.106 R)
• M19: 24,862,568 km (0.072 R)
• M20: 28,901,112 km (0.049 R)
• M21: 31,758,282 km (0.1 R)
• M22: 32,851,543 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20

Radius: 4.7

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.59 AU - 7.43 AU

Year: 10170 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,058,252 km

• M1: 60,138 km (0.115 R)
• M2: 900,280 km (0.093 R)
• M3: 2,797,480 km (0.117 R)
• M4: 3,433,271 km (0.088 R)
• M5: 8,902,420 km (0.06 R)
• M6: 10,053,127 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.6

Radius: 6.3

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.03 AU - 9.51 AU

Year: 17927 Days

Day: 24.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,058,252 km

• M1: 78,838 km (0.109 R)
• M2: 342,280 km (0.103 R)
• M3: 646,712 km (0.098 R)
• M4: 1,178,382 km (0.053 R)
• M5: 1,570,478 km (0.116 R)
• M6: 3,226,228 km (0.058 R)
• M7: 4,088,659 km (0.088 R)
• M8: 4,802,840 km (0.08 R)
• M9: 6,173,306 km (0.11 R)
• M10: 8,139,471 km (0.106 R)
• M11: 8,556,400 km (0.063 R)
• M12: 8,824,030 km (0.106 R)
• M13: 10,367,432 km (0.119 R)
• M14: 12,284,229 km (0.114 R)
• M15: 12,972,379 km (0.036 R)
• M16: 14,425,274 km (0.099 R)
• M17: 15,742,782 km (0.12 R)
• M18: 18,260,365 km (0.032 R)
• M19: 19,614,375 km (0.096 R)
• M20: 19,893,076 km (0.045 R)
• M21: 20,744,886 km (0.095 R)
• M22: 25,924,563 km (0.11 R)
• M23: 29,778,055 km (0.11 R)
• M24: 31,268,947 km (0.118 R)
• M25: 32,809,057 km (0.044 R)
• M26: 38,742,557 km (0.053 R)
• M27: 46,003,739 km (0.112 R)
• M28: 49,008,861 km (0.088 R)
• M29: 52,677,150 km (0.086 R)
• M30: 53,215,703 km (0.078 R)
• M31: 59,384,221 km (0.116 R)
• M32: 60,162,878 km (0.088 R)
• M33: 62,339,228 km (0.116 R)
• M34: 63,345,573 km (0.056 R)
• M35: 68,114,603 km (0.055 R)
• M36: 69,827,798 km (0.107 R)
• M37: 71,789,475 km (0.069 R)
• M38: 72,230,340 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.4

Radius: 6

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.81 AU - 12.51 AU

Year: 22354 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,058,252 km

• M1: 75,248 km (0.112 R)
• M2: 445,203 km (0.06 R)
• M3: 686,355 km (0.109 R)
• M4: 1,050,177 km (0.084 R)
• M5: 1,368,671 km (0.039 R)
• M6: 2,429,918 km (0.106 R)
• M7: 2,676,605 km (0.119 R)
• M8: 3,039,679 km (0.072 R)
• M9: 6,065,446 km (0.081 R)
• M10: 7,640,113 km (0.055 R)
• M11: 8,220,702 km (0.116 R)
• M12: 8,623,719 km (0.109 R)
• M13: 9,039,751 km (0.083 R)
• M14: 10,138,696 km (0.04 R)
• M15: 11,385,445 km (0.06 R)
• M16: 14,906,381 km (0.115 R)
• M17: 16,832,004 km (0.053 R)
• M18: 19,708,622 km (0.082 R)
• M19: 21,450,839 km (0.117 R)
• M20: 23,694,059 km (0.084 R)
• M21: 25,661,420 km (0.04 R)
• M22: 27,511,647 km (0.087 R)
• M23: 29,100,825 km (0.119 R)
• M24: 30,749,992 km (0.11 R)
• M25: 31,597,613 km (0.073 R)
• M26: 33,848,463 km (0.111 R)
• M27: 36,472,260 km (0.111 R)
• M28: 38,109,908 km (0.1 R)
• M29: 38,806,436 km (0.064 R)
• M30: 40,802,071 km (0.045 R)
• M31: 45,774,704 km (0.094 R)
• M32: 47,517,968 km (0.092 R)
• M33: 50,800,146 km (0.113 R)
• M34: 55,644,424 km (0.11 R)
• M35: 56,540,665 km (0.052 R)
• M36: 61,738,443 km (0.088 R)
• M37: 64,649,767 km (0.088 R)
• M38: 65,044,705 km (0.102 R)
• M39: 65,441,140 km (0.115 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: 246 - 14,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit