🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.9

Radius: 9.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.52 AU - 0.76 AU

Year: 341 Days

Day: 13.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,756,975 km

• M1: 115,789 km (0.103 R)
• M2: 492,775 km (0.091 R)
• M3: 790,176 km (0.103 R)
• M4: 1,092,364 km (0.093 R)
• M5: 1,928,466 km (0.077 R)
• M6: 2,271,644 km (0.069 R)
• M7: 3,082,913 km (0.111 R)
• M8: 3,697,611 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.9

Radius: 13

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.25 AU - 1.77 AU

Year: 1237 Days

Day: 6.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,756,975 km

• M1: 162,912 km (0.052 R)
• M2: 597,793 km (0.104 R)
• M3: 1,479,523 km (0.117 R)
• M4: 2,059,065 km (0.06 R)
• M5: 2,906,687 km (0.062 R)
• M6: 3,374,330 km (0.095 R)
• M7: 4,554,208 km (0.109 R)
• M8: 5,029,929 km (0.117 R)
• M9: 5,708,804 km (0.039 R)
• M10: 6,565,402 km (0.059 R)
• M11: 8,090,552 km (0.111 R)
• M12: 9,778,166 km (0.054 R)
• M13: 10,443,577 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.4

Radius: 12

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.85 AU - 1.85 AU

Year: 1678 Days

Day: 5.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,756,975 km

• M1: 157,975 km (0.106 R)
• M2: 608,115 km (0.084 R)
• M3: 1,462,020 km (0.076 R)
• M4: 1,841,400 km (0.068 R)
• M5: 2,394,015 km (0.054 R)
• M6: 2,854,776 km (0.034 R)
• M7: 3,347,103 km (0.073 R)
• M8: 3,987,830 km (0.104 R)
• M9: 4,370,951 km (0.092 R)
• M10: 6,262,316 km (0.098 R)
• M11: 6,671,616 km (0.088 R)
• M12: 7,121,906 km (0.098 R)
• M13: 8,083,521 km (0.103 R)
• M14: 9,321,593 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 12.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.79 AU - 2.41 AU

Year: 2029 Days

Day: 12.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,756,975 km

• M1: 159,172 km (0.111 R)
• M2: 936,632 km (0.118 R)
• M3: 1,431,801 km (0.044 R)
• M4: 1,984,565 km (0.108 R)
• M5: 2,510,851 km (0.032 R)
• M6: 3,082,015 km (0.049 R)
• M7: 3,527,368 km (0.085 R)
• M8: 4,072,802 km (0.068 R)
• M9: 5,783,603 km (0.102 R)
• M10: 6,361,649 km (0.12 R)
• M11: 6,895,415 km (0.079 R)
• M12: 7,372,482 km (0.096 R)
• M13: 9,302,594 km (0.048 R)
• M14: 10,900,449 km (0.053 R)
• M15: 11,903,203 km (0.117 R)
• M16: 12,468,235 km (0.056 R)
• M17: 13,608,470 km (0.077 R)
• M18: 15,235,346 km (0.083 R)
• M19: 15,950,125 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 12.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.74 AU - 2.82 AU

Year: 3091 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,756,975 km

• M1: 155,432 km (0.069 R)
• M2: 1,211,294 km (0.086 R)
• M3: 1,649,466 km (0.101 R)
• M4: 2,761,726 km (0.111 R)
• M5: 4,151,491 km (0.034 R)
• M6: 5,048,928 km (0.066 R)
• M7: 6,546,104 km (0.112 R)
• M8: 8,021,139 km (0.12 R)
• M9: 9,971,596 km (0.098 R)
• M10: 13,162,219 km (0.111 R)
• M11: 13,863,983 km (0.057 R)
• M12: 14,443,375 km (0.059 R)
• M13: 14,838,463 km (0.106 R)
• M14: 16,225,684 km (0.082 R)
• M15: 17,252,524 km (0.095 R)
• M16: 18,379,744 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.3

Radius: 13.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.56 AU - 4.08 AU

Year: 4979 Days

Day: 14.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,756,975 km

• M1: 164,109 km (0.074 R)
• M2: 596,447 km (0.116 R)
• M3: 1,304,793 km (0.116 R)
• M4: 2,502,024 km (0.1 R)
• M5: 3,054,489 km (0.097 R)
• M6: 3,865,310 km (0.099 R)
• M7: 4,285,680 km (0.101 R)
• M8: 6,379,751 km (0.108 R)
• M9: 6,970,214 km (0.061 R)
• M10: 10,758,780 km (0.077 R)
• M11: 12,032,606 km (0.093 R)
• M12: 14,046,941 km (0.088 R)
• M13: 15,048,798 km (0.046 R)
• M14: 16,640,070 km (0.083 R)
• M15: 18,276,073 km (0.073 R)
• M16: 20,927,695 km (0.115 R)
• M17: 22,983,020 km (0.095 R)
• M18: 23,671,320 km (0.094 R)
• M19: 26,396,544 km (0.057 R)
• M20: 27,663,040 km (0.12 R)
• M21: 28,441,996 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.1

Radius: 13.5

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.46 AU - 6.32 AU

Year: 8345 Days

Day: 9.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,756,975 km

• M1: 167,849 km (0.047 R)
• M2: 598,092 km (0.082 R)
• M3: 1,067,680 km (0.115 R)
• M4: 1,524,253 km (0.097 R)
• M5: 2,379,653 km (0.084 R)
• M6: 3,486,678 km (0.106 R)
• M7: 4,670,894 km (0.085 R)
• M8: 7,085,254 km (0.11 R)
• M9: 8,034,752 km (0.088 R)
• M10: 8,562,982 km (0.103 R)
• M11: 11,233,304 km (0.045 R)
• M12: 12,524,035 km (0.066 R)
• M13: 14,869,879 km (0.102 R)
• M14: 15,398,707 km (0.105 R)
• M15: 17,568,176 km (0.117 R)
• M16: 22,506,102 km (0.076 R)
• M17: 23,292,388 km (0.104 R)
• M18: 25,012,465 km (0.098 R)
• M19: 26,525,348 km (0.066 R)
• M20: 28,198,899 km (0.086 R)
• M21: 28,806,117 km (0.064 R)
• M22: 29,421,862 km (0.112 R)
• M23: 38,248,286 km (0.101 R)
• M24: 47,258,267 km (0.097 R)
• M25: 47,828,534 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.4

Radius: 7.2

Gravity: 18.02 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.8 AU - 7.82 AU

Year: 11851 Days

Day: 17 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,756,975 km

• M1: 90,208 km (0.112 R)
• M2: 361,428 km (0.098 R)
• M3: 784,790 km (0.098 R)
• M4: 1,743,114 km (0.115 R)
• M5: 2,488,261 km (0.111 R)
• M6: 3,697,611 km (0.09 R)
• M7: 4,881,827 km (0.11 R)
• M8: 5,118,641 km (0.093 R)
• M9: 5,363,084 km (0.12 R)
• M10: 5,725,709 km (0.112 R)
• M11: 8,351,451 km (0.092 R)
• M12: 8,641,970 km (0.038 R)
• M13: 9,818,258 km (0.117 R)
• M14: 10,528,549 km (0.093 R)
• M15: 12,864,968 km (0.056 R)
• M16: 13,122,576 km (0.118 R)
• M17: 13,983,811 km (0.117 R)
• M18: 15,671,873 km (0.077 R)
• M19: 15,965,982 km (0.102 R)
• M20: 16,338,631 km (0.111 R)
• M21: 17,649,258 km (0.118 R)
• M22: 20,303,872 km (0.088 R)
• M23: 21,095,993 km (0.101 R)
• M24: 24,569,655 km (0.04 R)
• M25: 29,064,174 km (0.095 R)
• M26: 30,752,685 km (0.066 R)
• M27: 30,982,617 km (0.079 R)
• M28: 31,329,833 km (0.028 R)
• M29: 34,200,766 km (0.059 R)
• M30: 34,820,251 km (0.103 R)
• M31: 36,852,687 km (0.045 R)
• M32: 37,372,989 km (0.078 R)
• M33: 40,735,949 km (0.093 R)
• M34: 41,013,303 km (0.084 R)
• M35: 48,366,338 km (0.036 R)
• M36: 50,572,458 km (0.102 R)
• M37: 51,376,247 km (0.103 R)
• M38: 59,353,404 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.7

Radius: 3.4

Gravity: 60.01 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.87 AU - 10.25 AU

Year: 16701 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,756,975 km

• M1: 52,359 km (0.118 R)
• M2: 162,314 km (0.036 R)
• M3: 1,360,293 km (0.05 R)
• M4: 3,046,261 km (0.105 R)
• M5: 3,281,280 km (0.047 R)
• M6: 3,528,116 km (0.071 R)
• M7: 4,507,384 km (0.075 R)
• M8: 4,882,127 km (0.098 R)
• M9: 8,659,922 km (0.105 R)
• M10: 12,648,650 km (0.099 R)
• M11: 13,878,793 km (0.117 R)
• M12: 14,378,001 km (0.1 R)
• M13: 15,640,158 km (0.078 R)
• M14: 17,710,144 km (0.068 R)
• M15: 19,866,148 km (0.115 R)
• M16: 20,591,249 km (0.1 R)
• M17: 20,960,457 km (0.11 R)
• M18: 23,972,161 km (0.09 R)
• M19: 25,106,562 km (0.059 R)
• M20: 28,041,822 km (0.11 R)
• M21: 34,582,390 km (0.091 R)
• M22: 36,028,702 km (0.03 R)
• M23: 47,779,017 km (0.048 R)
• M24: 49,241,934 km (0.079 R)
• M25: 52,942,986 km (0.118 R)
• M26: 54,684,903 km (0.108 R)
• M27: 56,464,669 km (0.068 R)
• M28: 59,020,698 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 17,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit