🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.4 AU - 1.46 AU

Year: 612 Days

Day: 30.1 Hours

Environment

Temp: 4 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.23 AU - 1.95 AU

Year: 718 Days

Day: 16.4 Hours

Environment

Temp: -30 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.7

Radius: 12.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.01 AU - 5.69 AU

Year: 4432 Days

Day: 14.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 38,001,653 km

• M1: 157,078 km (0.08 R)
• M2: 269,575 km (0.095 R)
• M3: 358,885 km (0.104 R)
• M4: 485,295 km (0.094 R)
• M5: 646,712 km (0.083 R)
• M6: 739,462 km (0.12 R)
• M7: 930,798 km (0.076 R)
• M8: 2,335,073 km (0.09 R)
• M9: 2,416,305 km (0.117 R)
• M10: 3,100,565 km (0.099 R)
• M11: 3,433,870 km (0.098 R)
• M12: 3,731,120 km (0.099 R)
• M13: 3,826,714 km (0.067 R)
• M14: 4,151,491 km (0.119 R)
• M15: 4,451,584 km (0.109 R)
• M16: 5,090,516 km (0.061 R)
• M17: 5,286,190 km (0.093 R)
• M18: 6,282,363 km (0.113 R)
• M19: 6,492,398 km (0.065 R)
• M20: 6,802,215 km (0.05 R)
• M21: 6,899,903 km (0.105 R)
• M22: 7,295,888 km (0.082 R)
• M23: 8,047,767 km (0.07 R)
• M24: 8,612,200 km (0.078 R)
• M25: 8,995,619 km (0.111 R)
• M26: 9,081,488 km (0.114 R)
• M27: 9,211,040 km (0.116 R)
• M28: 9,297,657 km (0.089 R)
• M29: 9,493,630 km (0.112 R)
• M30: 9,867,625 km (0.107 R)
• M31: 10,812,186 km (0.075 R)
• M32: 11,018,332 km (0.06 R)
• M33: 11,364,801 km (0.112 R)
• M34: 11,457,851 km (0.098 R)
• M35: 11,644,698 km (0.077 R)
• M36: 12,258,798 km (0.044 R)
• M37: 12,402,112 km (0.026 R)
• M38: 12,835,198 km (0.09 R)
• M39: 13,592,612 km (0.056 R)
• M40: 13,691,496 km (0.108 R)
• M41: 14,189,059 km (0.082 R)
• M42: 15,202,136 km (0.08 R)
• M43: 15,407,533 km (0.077 R)
• M44: 15,691,470 km (0.108 R)
• M45: 15,795,142 km (0.117 R)
• M46: 16,055,292 km (0.09 R)
• M47: 17,565,632 km (0.087 R)
• M48: 17,862,285 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 14.3

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.32 AU - 10.92 AU

Year: 11530 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 38,001,653 km

• M1: 222,003 km (0.089 R)
• M2: 470,934 km (0.025 R)
• M3: 711,188 km (0.084 R)
• M4: 870,061 km (0.076 R)
• M5: 960,418 km (0.081 R)
• M6: 1,078,152 km (0.115 R)
• M7: 1,214,136 km (0.113 R)
• M8: 1,303,745 km (0.093 R)
• M9: 1,422,676 km (0.12 R)
• M10: 2,012,241 km (0.102 R)
• M11: 2,262,219 km (0.106 R)
• M12: 2,456,547 km (0.115 R)
• M13: 2,896,963 km (0.116 R)
• M14: 3,491,913 km (0.09 R)
• M15: 3,679,808 km (0.09 R)
• M16: 3,871,144 km (0.064 R)
• M17: 4,085,518 km (0.113 R)
• M18: 4,344,023 km (0.112 R)
• M19: 4,526,233 km (0.12 R)
• M20: 4,793,864 km (0.065 R)
• M21: 4,898,133 km (0.114 R)
• M22: 5,130,459 km (0.045 R)
• M23: 5,258,814 km (0.069 R)
• M24: 5,694,144 km (0.089 R)
• M25: 5,804,846 km (0.119 R)
• M26: 5,916,297 km (0.109 R)
• M27: 6,073,524 km (0.095 R)
• M28: 6,438,094 km (0.088 R)
• M29: 6,669,671 km (0.117 R)
• M30: 6,974,851 km (0.034 R)
• M31: 7,356,774 km (0.082 R)
• M32: 8,166,249 km (0.102 R)
• M33: 8,266,330 km (0.088 R)
• M34: 8,670,693 km (0.077 R)
• M35: 8,824,030 km (0.096 R)
• M36: 9,004,146 km (0.119 R)
• M37: 9,630,662 km (0.076 R)
• M38: 10,056,268 km (0.117 R)
• M39: 10,163,679 km (0.116 R)
• M40: 10,515,234 km (0.047 R)
• M41: 12,018,543 km (0.11 R)
• M42: 12,621,273 km (0.068 R)
• M43: 12,766,233 km (0.12 R)
• M44: 13,028,628 km (0.103 R)
• M45: 13,766,744 km (0.107 R)
• M46: 13,975,882 km (0.093 R)
• M47: 14,579,210 km (0.075 R)
• M48: 14,792,387 km (0.113 R)
• M49: 15,314,484 km (0.113 R)
• M50: 15,438,351 km (0.072 R)
• M51: 15,780,331 km (0.043 R)
• M52: 16,062,024 km (0.074 R)
• M53: 16,376,928 km (0.028 R)
• M54: 16,885,112 km (0.099 R)
• M55: 17,077,046 km (0.12 R)
• M56: 17,689,499 km (0.083 R)
• M57: 18,178,236 km (0.057 R)
• M58: 18,309,283 km (0.099 R)
• M59: 19,940,349 km (0.096 R)
• M60: 21,340,735 km (0.064 R)
• M61: 21,444,406 km (0.105 R)
• M62: 21,582,934 km (0.073 R)
• M63: 22,210,048 km (0.083 R)
• M64: 23,268,602 km (0.09 R)
• M65: 23,446,624 km (0.116 R)
• M66: 23,768,259 km (0.069 R)
• M67: 23,875,820 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126

Radius: 6.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 10.98 AU - 14.68 AU

Year: 16459 Days

Day: 21.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 38,001,653 km

• M1: 168,746 km (0.045 R)
• M2: 463,604 km (0.073 R)
• M3: 648,507 km (0.093 R)
• M4: 749,635 km (0.073 R)
• M5: 1,423,125 km (0.119 R)
• M6: 1,575,415 km (0.087 R)
• M7: 2,413,762 km (0.069 R)
• M8: 2,504,268 km (0.062 R)
• M9: 2,806,007 km (0.106 R)
• M10: 3,267,666 km (0.073 R)
• M11: 3,494,606 km (0.111 R)
• M12: 3,700,752 km (0.076 R)
• M13: 3,910,788 km (0.084 R)
• M14: 4,397,429 km (0.049 R)
• M15: 4,591,907 km (0.057 R)
• M16: 4,732,529 km (0.091 R)
• M17: 5,847,332 km (0.06 R)
• M18: 6,308,692 km (0.082 R)
• M19: 6,465,171 km (0.117 R)
• M20: 7,728,824 km (0.091 R)
• M21: 8,302,981 km (0.105 R)
• M22: 8,440,013 km (0.11 R)
• M23: 9,066,229 km (0.035 R)
• M24: 9,278,359 km (0.074 R)
• M25: 10,920,196 km (0.115 R)
• M26: 12,102,468 km (0.1 R)
• M27: 12,258,050 km (0.104 R)
• M28: 12,453,275 km (0.082 R)
• M29: 12,847,016 km (0.075 R)
• M30: 12,965,947 km (0.058 R)
• M31: 13,164,912 km (0.118 R)
• M32: 13,364,924 km (0.075 R)
• M33: 13,525,742 km (0.101 R)
• M34: 14,297,966 km (0.073 R)
• M35: 14,338,956 km (0.119 R)
• M36: 14,710,108 km (0.106 R)
• M37: 16,397,572 km (0.041 R)
• M38: 16,742,395 km (0.05 R)
• M39: 17,046,079 km (0.099 R)
• M40: 17,351,558 km (0.095 R)
• M41: 17,614,850 km (0.096 R)
• M42: 17,879,339 km (0.116 R)
• M43: 18,234,185 km (0.12 R)
• M44: 18,278,765 km (0.084 R)
• M45: 18,770,942 km (0.089 R)
• M46: 18,860,851 km (0.095 R)
• M47: 18,905,880 km (0.117 R)
• M48: 19,722,534 km (0.09 R)
• M49: 20,689,685 km (0.081 R)
• M50: 22,050,577 km (0.097 R)
• M51: 23,053,929 km (0.077 R)
• M52: 23,391,721 km (0.061 R)
• M53: 23,633,920 km (0.064 R)
• M54: 24,512,957 km (0.081 R)
• M55: 24,611,393 km (0.071 R)
• M56: 24,907,148 km (0.065 R)
• M57: 26,706,511 km (0.091 R)
• M58: 26,757,075 km (0.071 R)
• M59: 27,264,661 km (0.041 R)
• M60: 28,599,074 km (0.101 R)
• M61: 28,754,356 km (0.067 R)
• M62: 30,007,089 km (0.119 R)
• M63: 30,587,229 km (0.115 R)
• M64: 31,973,104 km (0.064 R)
• M65: 32,781,980 km (0.03 R)
• M66: 33,597,587 km (0.09 R)
• M67: 34,254,771 km (0.109 R)
• M68: 34,585,083 km (0.05 R)
• M69: 35,470,702 km (0.054 R)
• M70: 36,420,050 km (0.102 R)
• M71: 36,869,592 km (0.095 R)
• M72: 37,831,058 km (0.114 R)

Kuiper Belt

Range: 30.6 - 57.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 11,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit