🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.3

Radius: 9.3

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.25 AU - 1.41 AU

Year: 1006 Days

Day: 9.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,870,653 km

• M1: 115,639 km (0.109 R)
• M2: 410,197 km (0.094 R)
• M3: 719,566 km (0.072 R)
• M4: 1,050,626 km (0.108 R)
• M5: 1,731,446 km (0.081 R)
• M6: 2,618,711 km (0.099 R)
• M7: 3,065,709 km (0.059 R)
• M8: 3,687,438 km (0.095 R)
• M9: 4,095,990 km (0.071 R)
• M10: 4,516,509 km (0.074 R)
• M11: 5,121,932 km (0.085 R)
• M12: 8,396,779 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 8.4

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.31 AU - 1.49 AU

Year: 1087 Days

Day: 5 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,870,653 km

• M1: 104,419 km (0.103 R)
• M2: 414,386 km (0.041 R)
• M3: 969,993 km (0.101 R)
• M4: 1,839,306 km (0.05 R)
• M5: 2,673,613 km (0.108 R)
• M6: 3,516,298 km (0.108 R)
• M7: 3,939,510 km (0.119 R)
• M8: 4,810,320 km (0.068 R)
• M9: 5,672,751 km (0.117 R)
• M10: 6,072,477 km (0.114 R)
• M11: 8,053,302 km (0.053 R)
• M12: 8,359,828 km (0.055 R)
• M13: 9,145,067 km (0.101 R)
• M14: 10,042,206 km (0.065 R)
• M15: 11,409,231 km (0.097 R)
• M16: 11,796,241 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.2

Radius: 10.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.53 AU - 2.23 AU

Year: 1691 Days

Day: 12.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,870,653 km

• M1: 128,654 km (0.108 R)
• M2: 578,495 km (0.112 R)
• M3: 1,141,432 km (0.087 R)
• M4: 2,187,570 km (0.094 R)
• M5: 2,558,722 km (0.058 R)
• M6: 3,806,368 km (0.095 R)
• M7: 5,485,904 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 11.8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.06 AU - 4.68 AU

Year: 4994 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,870,653 km

• M1: 152,141 km (0.081 R)
• M2: 620,682 km (0.112 R)
• M3: 1,085,931 km (0.078 R)
• M4: 1,515,426 km (0.089 R)
• M5: 1,904,979 km (0.117 R)
• M6: 2,442,634 km (0.048 R)
• M7: 3,138,115 km (0.105 R)
• M8: 3,961,352 km (0.049 R)
• M9: 4,338,637 km (0.119 R)
• M10: 4,923,266 km (0.101 R)
• M11: 5,417,088 km (0.115 R)
• M12: 6,188,565 km (0.079 R)
• M13: 6,633,618 km (0.09 R)
• M14: 7,840,574 km (0.026 R)
• M15: 9,270,131 km (0.03 R)
• M16: 9,896,797 km (0.076 R)
• M17: 11,516,194 km (0.089 R)
• M18: 12,841,930 km (0.044 R)
• M19: 14,708,612 km (0.066 R)
• M20: 17,179,969 km (0.089 R)
• M21: 18,254,680 km (0.095 R)
• M22: 19,643,696 km (0.116 R)
• M23: 21,387,708 km (0.071 R)
• M24: 21,893,948 km (0.116 R)
• M25: 22,334,214 km (0.073 R)
• M26: 23,614,024 km (0.077 R)
• M27: 27,575,974 km (0.11 R)
• M28: 28,003,674 km (0.076 R)
• M29: 28,960,203 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.8

Radius: 3.3

Gravity: 25.6 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.22 AU - 6.8 AU

Year: 9665 Days

Day: 23.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,870,653 km

• M1: 40,990 km (0.102 R)
• M2: 253,568 km (0.118 R)
• M3: 520,451 km (0.089 R)
• M4: 1,156,392 km (0.1 R)
• M5: 2,328,042 km (0.106 R)
• M6: 2,995,548 km (0.114 R)
• M7: 3,483,536 km (0.11 R)
• M8: 3,619,072 km (0.087 R)
• M9: 4,022,537 km (0.111 R)
• M10: 4,146,703 km (0.073 R)
• M11: 4,324,725 km (0.066 R)
• M12: 5,204,809 km (0.086 R)
• M13: 5,686,664 km (0.097 R)
• M14: 10,803,210 km (0.111 R)
• M15: 14,615,114 km (0.113 R)
• M16: 19,516,837 km (0.041 R)
• M17: 21,567,974 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.8

Radius: 5.7

Gravity: 17.63 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.1 AU - 7.06 AU

Year: 9835 Days

Day: 15.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,870,653 km

• M1: 70,909 km (0.106 R)
• M2: 293,810 km (0.087 R)
• M3: 620,532 km (0.097 R)
• M4: 827,725 km (0.086 R)
• M5: 1,092,214 km (0.111 R)
• M6: 1,630,018 km (0.11 R)
• M7: 1,808,040 km (0.099 R)
• M8: 2,347,789 km (0.075 R)
• M9: 2,882,003 km (0.066 R)
• M10: 3,566,712 km (0.086 R)
• M11: 4,053,354 km (0.086 R)
• M12: 5,413,648 km (0.115 R)
• M13: 5,745,456 km (0.098 R)
• M14: 6,822,411 km (0.055 R)
• M15: 7,368,593 km (0.115 R)
• M16: 8,198,711 km (0.073 R)
• M17: 8,951,937 km (0.103 R)
• M18: 10,392,115 km (0.06 R)
• M19: 14,846,392 km (0.072 R)
• M20: 16,029,711 km (0.032 R)
• M21: 17,487,991 km (0.118 R)
• M22: 19,413,316 km (0.12 R)
• M23: 21,888,263 km (0.119 R)
• M24: 22,390,463 km (0.051 R)
• M25: 23,592,033 km (0.106 R)
• M26: 23,943,139 km (0.102 R)
• M27: 24,745,732 km (0.12 R)
• M28: 28,037,932 km (0.082 R)
• M29: 33,011,313 km (0.025 R)
• M30: 38,300,047 km (0.066 R)
• M31: 41,653,134 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.3

Radius: 3.5

Gravity: 72.68 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.66 AU - 8.2 AU

Year: 11968 Days

Day: 19.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 67,870,653 km

• M1: 43,832 km (0.063 R)
• M2: 262,993 km (0.047 R)
• M3: 480,359 km (0.1 R)
• M4: 931,396 km (0.088 R)
• M5: 1,091,167 km (0.082 R)
• M6: 1,255,575 km (0.065 R)
• M7: 1,634,357 km (0.119 R)
• M8: 1,748,350 km (0.068 R)
• M9: 1,920,388 km (0.097 R)
• M10: 2,569,792 km (0.087 R)
• M11: 3,565,665 km (0.103 R)
• M12: 3,871,294 km (0.072 R)
• M13: 5,341,392 km (0.076 R)
• M14: 5,704,167 km (0.101 R)
• M15: 5,967,609 km (0.112 R)
• M16: 6,239,278 km (0.06 R)
• M17: 6,723,975 km (0.072 R)
• M18: 7,497,396 km (0.099 R)
• M19: 7,951,725 km (0.111 R)
• M20: 8,328,263 km (0.03 R)
• M21: 8,716,470 km (0.048 R)
• M22: 10,614,268 km (0.073 R)
• M23: 11,070,542 km (0.067 R)
• M24: 12,083,170 km (0.078 R)
• M25: 13,417,433 km (0.025 R)
• M26: 14,497,679 km (0.065 R)
• M27: 17,527,635 km (0.097 R)
• M28: 17,923,919 km (0.09 R)
• M29: 19,148,079 km (0.076 R)
• M30: 20,514,206 km (0.102 R)
• M31: 23,630,330 km (0.109 R)
• M32: 25,704,654 km (0.036 R)
• M33: 25,908,257 km (0.108 R)
• M34: 28,436,760 km (0.079 R)
• M35: 31,588,937 km (0.083 R)
• M36: 39,651,215 km (0.072 R)
• M37: 40,608,342 km (0.087 R)
• M38: 43,571,876 km (0.037 R)
• M39: 46,224,246 km (0.079 R)
• M40: 49,452,119 km (0.104 R)
• M41: 53,985,234 km (0.1 R)
• M42: 57,041,070 km (0.108 R)
• M43: 58,611,399 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.7

Radius: 4.7

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.02 AU - 7.02 AU

Year: 12202 Days

Day: 18.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,870,653 km

• M1: 58,493 km (0.035 R)
• M2: 340,485 km (0.098 R)
• M3: 552,315 km (0.099 R)
• M4: 841,189 km (0.117 R)
• M5: 2,314,728 km (0.118 R)
• M6: 4,807,776 km (0.112 R)
• M7: 4,985,499 km (0.114 R)
• M8: 5,674,995 km (0.102 R)
• M9: 5,840,151 km (0.084 R)
• M10: 10,291,286 km (0.085 R)
• M11: 10,438,341 km (0.098 R)
• M12: 12,150,638 km (0.088 R)
• M13: 12,315,046 km (0.117 R)
• M14: 14,283,455 km (0.111 R)
• M15: 20,025,321 km (0.119 R)
• M16: 22,154,397 km (0.063 R)
• M17: 26,671,206 km (0.077 R)
• M18: 28,079,820 km (0.115 R)
• M19: 34,759,065 km (0.046 R)
• M20: 36,097,817 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.1

Radius: 3.9

Gravity: 21.9 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.79 AU - 11.35 AU

Year: 24162 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,870,653 km

• M1: 60,438 km (0.062 R)
• M2: 226,790 km (0.12 R)
• M3: 450,738 km (0.119 R)
• M4: 607,517 km (0.113 R)
• M5: 1,120,937 km (0.028 R)
• M6: 1,398,291 km (0.119 R)
• M7: 1,685,519 km (0.087 R)
• M8: 1,825,244 km (0.082 R)
• M9: 2,229,457 km (0.056 R)
• M10: 3,888,797 km (0.032 R)
• M11: 4,071,605 km (0.116 R)
• M12: 4,896,039 km (0.099 R)
• M13: 5,218,273 km (0.082 R)
• M14: 5,708,505 km (0.088 R)
• M15: 7,317,131 km (0.057 R)
• M16: 7,643,254 km (0.085 R)
• M17: 8,992,328 km (0.106 R)
• M18: 9,151,500 km (0.083 R)
• M19: 10,088,581 km (0.114 R)
• M20: 11,959,153 km (0.081 R)
• M21: 12,942,161 km (0.094 R)
• M22: 13,281,449 km (0.082 R)
• M23: 13,766,295 km (0.091 R)
• M24: 16,134,280 km (0.079 R)
• M25: 24,839,230 km (0.079 R)
• M26: 27,088,434 km (0.091 R)
• M27: 28,546,714 km (0.074 R)
• M28: 30,651,108 km (0.057 R)
• M29: 32,856,629 km (0.093 R)
• M30: 34,126,416 km (0.089 R)
• M31: 35,560,611 km (0.102 R)
• M32: 41,847,012 km (0.088 R)
• M33: 51,325,982 km (0.086 R)
• M34: 52,860,856 km (0.08 R)
• M35: 57,102,704 km (0.095 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: 220 - 20,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit