🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.3

Radius: 15

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.4 AU - 0.62 AU

Year: 247 Days

Day: 11.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,846,342 km

• M1: 186,549 km (0.088 R)
• M2: 686,953 km (0.115 R)
• M3: 1,181,823 km (0.11 R)
• M4: 1,668,615 km (0.115 R)
• M5: 2,175,901 km (0.051 R)
• M6: 2,842,659 km (0.092 R)
• M7: 3,688,336 km (0.115 R)
• M8: 4,312,607 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.9

Radius: 10.6

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.99 AU - 1.15 AU

Year: 751 Days

Day: 10.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,846,342 km

• M1: 134,040 km (0.111 R)
• M2: 518,506 km (0.077 R)
• M3: 1,392,158 km (0.095 R)
• M4: 2,066,545 km (0.103 R)
• M5: 2,936,008 km (0.12 R)
• M6: 4,073,700 km (0.119 R)
• M7: 4,449,489 km (0.081 R)
• M8: 5,096,201 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.4

Radius: 10.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.97 AU - 2.17 AU

Year: 2020 Days

Day: 6.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,846,342 km

• M1: 133,740 km (0.065 R)
• M2: 943,663 km (0.069 R)
• M3: 1,292,077 km (0.109 R)
• M4: 1,826,889 km (0.082 R)
• M5: 2,517,732 km (0.095 R)
• M6: 3,016,641 km (0.034 R)
• M7: 4,177,820 km (0.11 R)
• M8: 6,278,623 km (0.077 R)
• M9: 7,844,912 km (0.077 R)
• M10: 8,382,118 km (0.026 R)
• M11: 10,241,171 km (0.084 R)
• M12: 12,971,631 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 11

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.85 AU - 2.89 AU

Year: 3298 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,846,342 km

• M1: 136,882 km (0.114 R)
• M2: 505,042 km (0.092 R)
• M3: 1,099,395 km (0.03 R)
• M4: 1,947,615 km (0.047 R)
• M5: 2,800,472 km (0.052 R)
• M6: 3,668,589 km (0.098 R)
• M7: 4,989,538 km (0.082 R)
• M8: 5,798,114 km (0.071 R)
• M9: 6,150,716 km (0.083 R)
• M10: 7,019,730 km (0.038 R)
• M11: 7,772,208 km (0.052 R)
• M12: 8,682,212 km (0.103 R)
• M13: 9,661,629 km (0.066 R)
• M14: 10,394,060 km (0.114 R)
• M15: 10,753,693 km (0.073 R)
• M16: 13,089,365 km (0.104 R)
• M17: 13,746,249 km (0.053 R)
• M18: 14,772,640 km (0.061 R)
• M19: 16,433,924 km (0.113 R)
• M20: 18,158,788 km (0.112 R)
• M21: 19,635,319 km (0.069 R)
• M22: 20,001,235 km (0.1 R)
• M23: 21,769,781 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.9

Radius: 11.9

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.18 AU - 4.8 AU

Year: 6453 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,846,342 km

• M1: 148,102 km (0.097 R)
• M2: 693,536 km (0.047 R)
• M3: 1,112,559 km (0.117 R)
• M4: 2,107,236 km (0.094 R)
• M5: 3,325,261 km (0.07 R)
• M6: 4,063,228 km (0.091 R)
• M7: 4,994,923 km (0.057 R)
• M8: 5,996,930 km (0.101 R)
• M9: 7,587,754 km (0.083 R)
• M10: 8,107,457 km (0.087 R)
• M11: 8,565,824 km (0.115 R)
• M12: 10,921,243 km (0.06 R)
• M13: 11,532,799 km (0.092 R)
• M14: 12,383,712 km (0.078 R)
• M15: 12,768,926 km (0.054 R)
• M16: 13,972,890 km (0.094 R)
• M17: 14,511,442 km (0.063 R)
• M18: 14,939,891 km (0.115 R)
• M19: 16,539,391 km (0.053 R)
• M20: 20,685,496 km (0.103 R)
• M21: 21,464,302 km (0.057 R)
• M22: 22,915,402 km (0.051 R)
• M23: 23,329,788 km (0.106 R)
• M24: 24,259,240 km (0.077 R)
• M25: 25,566,127 km (0.058 R)
• M26: 26,827,835 km (0.116 R)
• M27: 28,893,632 km (0.087 R)
• M28: 30,461,268 km (0.059 R)
• M29: 35,393,659 km (0.111 R)
• M30: 37,415,774 km (0.116 R)
• M31: 38,805,837 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 12.3

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.96 AU - 5.3 AU

Year: 6757 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,846,342 km

• M1: 268,678 km (0.109 R)
• M2: 776,263 km (0.07 R)
• M3: 1,436,289 km (0.087 R)
• M4: 2,154,957 km (0.098 R)
• M5: 3,423,846 km (0.081 R)
• M6: 4,329,662 km (0.089 R)
• M7: 7,688,732 km (0.101 R)
• M8: 9,759,167 km (0.107 R)
• M9: 11,656,516 km (0.031 R)
• M10: 18,870,724 km (0.1 R)
• M11: 20,390,938 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 11.7

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.53 AU - 5.63 AU

Year: 8940 Days

Day: 8.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,846,342 km

• M1: 153,787 km (0.064 R)
• M2: 680,521 km (0.069 R)
• M3: 1,102,686 km (0.1 R)
• M4: 1,578,108 km (0.057 R)
• M5: 2,996,745 km (0.099 R)
• M6: 4,890,055 km (0.046 R)
• M7: 5,259,562 km (0.105 R)
• M8: 5,849,127 km (0.12 R)
• M9: 6,482,225 km (0.101 R)
• M10: 10,711,956 km (0.106 R)
• M11: 12,837,592 km (0.108 R)
• M12: 14,717,289 km (0.047 R)
• M13: 20,090,844 km (0.098 R)
• M14: 25,527,081 km (0.098 R)
• M15: 28,581,272 km (0.112 R)
• M16: 29,583,727 km (0.104 R)
• M17: 29,991,082 km (0.093 R)
• M18: 30,505,699 km (0.106 R)
• M19: 32,407,088 km (0.033 R)
• M20: 34,274,219 km (0.076 R)
• M21: 41,565,020 km (0.115 R)
• M22: 42,721,562 km (0.09 R)
• M23: 43,373,210 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.1

Radius: 5.3

Gravity: 33 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.51 AU - 10.19 AU

Year: 20967 Days

Day: 24.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 69,846,342 km

• M1: 89,759 km (0.062 R)
• M2: 335,997 km (0.043 R)
• M3: 531,072 km (0.107 R)
• M4: 719,416 km (0.102 R)
• M5: 977,472 km (0.092 R)
• M6: 1,295,966 km (0.103 R)
• M7: 1,950,756 km (0.112 R)
• M8: 2,226,764 km (0.105 R)
• M9: 2,752,900 km (0.079 R)
• M10: 2,963,534 km (0.067 R)
• M11: 3,851,248 km (0.052 R)
• M12: 4,217,314 km (0.072 R)
• M13: 5,334,062 km (0.102 R)
• M14: 5,579,103 km (0.059 R)
• M15: 7,210,019 km (0.1 R)
• M16: 10,152,310 km (0.118 R)
• M17: 10,656,604 km (0.064 R)
• M18: 12,059,533 km (0.092 R)
• M19: 12,769,076 km (0.101 R)
• M20: 16,139,217 km (0.075 R)
• M21: 16,309,010 km (0.112 R)
• M22: 17,352,904 km (0.118 R)
• M23: 19,001,024 km (0.086 R)
• M24: 20,551,307 km (0.117 R)
• M25: 24,455,512 km (0.107 R)
• M26: 28,951,377 km (0.097 R)
• M27: 30,607,575 km (0.107 R)
• M28: 36,534,942 km (0.118 R)
• M29: 39,381,340 km (0.089 R)
• M30: 40,466,224 km (0.097 R)
• M31: 42,372,101 km (0.1 R)
• M32: 43,840,105 km (0.091 R)
• M33: 44,837,474 km (0.077 R)
• M34: 46,361,727 km (0.084 R)
• M35: 52,246,308 km (0.081 R)
• M36: 60,226,158 km (0.076 R)
• M37: 62,497,353 km (0.108 R)
• M38: 76,614,156 km (0.145 R)
• M39: 81,753,740 km (0.115 R)
• M40: 83,010,512 km (0.109 R)
• M41: 84,280,000 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.6

Radius: 4.4

Gravity: 27.51 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.75 AU - 11.19 AU

Year: 21352 Days

Day: 22.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,846,342 km

• M1: 55,202 km (0.057 R)
• M2: 204,351 km (0.114 R)
• M3: 630,256 km (0.077 R)
• M4: 1,223,411 km (0.11 R)
• M5: 1,476,232 km (0.077 R)
• M6: 2,655,362 km (0.076 R)
• M7: 5,087,973 km (0.047 R)
• M8: 5,236,823 km (0.094 R)
• M9: 6,665,333 km (0.118 R)
• M10: 7,588,651 km (0.117 R)
• M11: 9,914,150 km (0.068 R)
• M12: 11,112,878 km (0.096 R)
• M13: 11,363,753 km (0.075 R)
• M14: 14,010,888 km (0.108 R)
• M15: 15,053,585 km (0.092 R)
• M16: 16,146,846 km (0.071 R)
• M17: 18,490,147 km (0.113 R)
• M18: 19,289,000 km (0.11 R)
• M19: 21,338,191 km (0.096 R)
• M20: 27,312,981 km (0.118 R)
• M21: 28,581,571 km (0.09 R)
• M22: 33,525,332 km (0.112 R)
• M23: 35,788,598 km (0.063 R)
• M24: 42,877,742 km (0.089 R)
• M25: 44,431,016 km (0.088 R)
• M26: 45,221,641 km (0.074 R)
• M27: 45,380,813 km (0.087 R)
• M28: 47,649,315 km (0.06 R)
• M29: 58,418,716 km (0.1 R)
• M30: 59,176,729 km (0.11 R)
• M31: 61,489,811 km (0.086 R)
• M32: 63,263,892 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.6

Radius: 7.6

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.34 AU - 11.72 AU

Year: 21545 Days

Day: 24.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,846,342 km

• M1: 113,694 km (0.109 R)
• M2: 364,420 km (0.104 R)
• M3: 619,784 km (0.072 R)
• M4: 954,285 km (0.067 R)
• M5: 1,348,924 km (0.07 R)
• M6: 2,054,128 km (0.101 R)
• M7: 3,188,828 km (0.091 R)
• M8: 3,656,322 km (0.058 R)
• M9: 4,328,315 km (0.112 R)
• M10: 4,659,824 km (0.081 R)
• M11: 5,079,895 km (0.111 R)
• M12: 6,036,274 km (0.106 R)
• M13: 6,282,662 km (0.055 R)
• M14: 6,972,757 km (0.057 R)
• M15: 7,475,854 km (0.065 R)
• M16: 9,902,182 km (0.049 R)
• M17: 11,323,811 km (0.111 R)
• M18: 11,954,515 km (0.085 R)
• M19: 13,148,456 km (0.098 R)
• M20: 14,274,928 km (0.106 R)
• M21: 16,319,333 km (0.046 R)
• M22: 19,073,878 km (0.094 R)
• M23: 25,805,184 km (0.062 R)
• M24: 27,006,754 km (0.052 R)
• M25: 27,452,855 km (0.119 R)
• M26: 35,941,487 km (0.056 R)
• M27: 36,481,236 km (0.12 R)
• M28: 39,977,637 km (0.097 R)
• M29: 42,779,905 km (0.09 R)
• M30: 44,151,717 km (0.079 R)
• M31: 46,662,717 km (0.089 R)
• M32: 51,283,347 km (0.093 R)
• M33: 53,179,051 km (0.117 R)
• M34: 63,952,192 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 14,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit