🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 14

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.42 AU - 0.68 AU

Year: 272 Days

Day: 9.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,928,807 km

• M1: 174,132 km (0.11 R)
• M2: 642,523 km (0.086 R)
• M3: 1,160,281 km (0.079 R)
• M4: 1,662,481 km (0.044 R)
• M5: 2,311,586 km (0.078 R)
• M6: 2,832,037 km (0.096 R)
• M7: 3,543,974 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.4

Radius: 11.4

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.51 AU - 0.61 AU

Year: 279 Days

Day: 7.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,928,807 km

• M1: 142,268 km (0.12 R)
• M2: 579,393 km (0.077 R)
• M3: 1,014,722 km (0.042 R)
• M4: 1,729,202 km (0.119 R)
• M5: 2,257,731 km (0.027 R)
• M6: 2,763,671 km (0.118 R)
• M7: 3,172,073 km (0.097 R)
• M8: 3,609,797 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.1

Radius: 12.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.65 AU - 0.83 AU

Year: 424 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,928,807 km

• M1: 163,361 km (0.103 R)
• M2: 637,287 km (0.103 R)
• M3: 1,275,322 km (0.069 R)
• M4: 1,723,068 km (0.081 R)
• M5: 2,489,757 km (0.085 R)
• M6: 3,000,036 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.1

Radius: 14.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.21 AU - 3.05 AU

Year: 2844 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,928,807 km

• M1: 184,005 km (0.111 R)
• M2: 714,479 km (0.059 R)
• M3: 1,213,538 km (0.072 R)
• M4: 1,685,669 km (0.039 R)
• M5: 2,712,359 km (0.104 R)
• M6: 3,195,560 km (0.114 R)
• M7: 3,937,566 km (0.076 R)
• M8: 4,676,130 km (0.03 R)
• M9: 5,302,048 km (0.093 R)
• M10: 6,121,246 km (0.059 R)
• M11: 7,177,107 km (0.111 R)
• M12: 8,841,085 km (0.073 R)
• M13: 9,802,251 km (0.076 R)
• M14: 10,427,570 km (0.036 R)
• M15: 10,955,202 km (0.052 R)
• M16: 11,458,000 km (0.101 R)
• M17: 12,555,450 km (0.109 R)
• M18: 13,340,989 km (0.039 R)
• M19: 15,267,061 km (0.08 R)
• M20: 20,409,937 km (0.107 R)
• M21: 21,173,185 km (0.056 R)
• M22: 22,153,799 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.7

Radius: 12.9

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.69 AU - 3.81 AU

Year: 4843 Days

Day: 9.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,928,807 km

• M1: 160,818 km (0.067 R)
• M2: 619,634 km (0.067 R)
• M3: 1,279,511 km (0.093 R)
• M4: 2,481,230 km (0.075 R)
• M5: 3,057,481 km (0.101 R)
• M6: 3,834,343 km (0.12 R)
• M7: 4,818,248 km (0.114 R)
• M8: 6,308,692 km (0.068 R)
• M9: 8,432,982 km (0.102 R)
• M10: 9,403,722 km (0.1 R)
• M11: 10,537,824 km (0.085 R)
• M12: 13,077,247 km (0.072 R)
• M13: 18,066,636 km (0.032 R)
• M14: 21,528,031 km (0.106 R)
• M15: 24,199,251 km (0.115 R)
• M16: 31,120,995 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.2

Radius: 5

Gravity: 20.49 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.28 AU - 6.64 AU

Year: 9703 Days

Day: 22.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,928,807 km

• M1: 64,028 km (0.105 R)
• M2: 253,419 km (0.097 R)
• M3: 473,627 km (0.081 R)
• M4: 986,897 km (0.084 R)
• M5: 1,223,262 km (0.12 R)
• M6: 1,470,547 km (0.089 R)
• M7: 2,015,831 km (0.03 R)
• M8: 2,746,467 km (0.107 R)
• M9: 3,149,634 km (0.119 R)
• M10: 4,510,974 km (0.105 R)
• M11: 5,844,041 km (0.116 R)
• M12: 6,582,157 km (0.088 R)
• M13: 9,030,924 km (0.081 R)
• M14: 10,861,404 km (0.114 R)
• M15: 12,136,875 km (0.108 R)
• M16: 12,639,973 km (0.039 R)
• M17: 13,568,377 km (0.073 R)
• M18: 14,666,276 km (0.119 R)
• M19: 16,087,007 km (0.072 R)
• M20: 18,386,326 km (0.112 R)
• M21: 18,900,644 km (0.107 R)
• M22: 19,576,078 km (0.078 R)
• M23: 22,773,583 km (0.1 R)
• M24: 23,281,468 km (0.095 R)
• M25: 27,523,615 km (0.081 R)
• M26: 30,484,605 km (0.109 R)
• M27: 31,308,740 km (0.034 R)
• M28: 32,041,770 km (0.112 R)
• M29: 32,893,580 km (0.087 R)
• M30: 33,216,861 km (0.095 R)
• M31: 33,542,236 km (0.088 R)
• M32: 35,426,571 km (0.039 R)
• M33: 36,222,432 km (0.089 R)
• M34: 41,000,887 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.4

Radius: 6.2

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.82 AU - 8.1 AU

Year: 12245 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,928,807 km

• M1: 79,287 km (0.036 R)
• M2: 297,849 km (0.094 R)
• M3: 583,880 km (0.098 R)
• M4: 1,194,240 km (0.099 R)
• M5: 1,419,534 km (0.089 R)
• M6: 2,145,981 km (0.094 R)
• M7: 2,501,576 km (0.076 R)
• M8: 3,354,433 km (0.11 R)
• M9: 3,677,864 km (0.088 R)
• M10: 4,835,602 km (0.03 R)
• M11: 5,281,403 km (0.082 R)
• M12: 6,291,787 km (0.086 R)
• M13: 7,020,030 km (0.062 R)
• M14: 8,460,956 km (0.046 R)
• M15: 9,155,539 km (0.087 R)
• M16: 10,500,275 km (0.093 R)
• M17: 12,085,862 km (0.074 R)
• M18: 14,204,019 km (0.118 R)
• M19: 15,183,286 km (0.109 R)
• M20: 18,088,327 km (0.033 R)
• M21: 18,618,801 km (0.115 R)
• M22: 19,315,927 km (0.081 R)
• M23: 19,710,716 km (0.118 R)
• M24: 24,876,480 km (0.082 R)
• M25: 27,668,874 km (0.105 R)
• M26: 27,868,737 km (0.05 R)
• M27: 30,556,562 km (0.096 R)
• M28: 31,853,276 km (0.084 R)
• M29: 38,392,798 km (0.066 R)
• M30: 39,394,505 km (0.094 R)
• M31: 44,118,357 km (0.113 R)
• M32: 48,043,356 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.8

Radius: 7.6

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.92 AU - 7.36 AU

Year: 12723 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,928,807 km

• M1: 116,986 km (0.109 R)
• M2: 439,070 km (0.109 R)
• M3: 731,833 km (0.114 R)
• M4: 1,099,096 km (0.082 R)
• M5: 1,365,230 km (0.118 R)
• M6: 1,659,639 km (0.12 R)
• M7: 2,416,754 km (0.107 R)
• M8: 2,851,186 km (0.097 R)
• M9: 3,716,310 km (0.059 R)
• M10: 4,354,046 km (0.093 R)
• M11: 5,774,478 km (0.057 R)
• M12: 8,356,836 km (0.106 R)
• M13: 9,202,962 km (0.119 R)
• M14: 9,696,934 km (0.074 R)
• M15: 10,418,145 km (0.085 R)
• M16: 11,174,512 km (0.058 R)
• M17: 14,701,880 km (0.088 R)
• M18: 15,308,649 km (0.111 R)
• M19: 16,644,109 km (0.096 R)
• M20: 17,751,882 km (0.047 R)
• M21: 20,945,497 km (0.079 R)
• M22: 22,855,712 km (0.088 R)
• M23: 23,669,674 km (0.077 R)
• M24: 23,945,234 km (0.097 R)
• M25: 26,227,349 km (0.106 R)
• M26: 28,546,714 km (0.062 R)
• M27: 30,454,686 km (0.101 R)
• M28: 33,243,489 km (0.112 R)
• M29: 37,179,260 km (0.056 R)
• M30: 38,430,646 km (0.081 R)
• M31: 40,490,758 km (0.116 R)
• M32: 41,281,981 km (0.107 R)
• M33: 43,442,174 km (0.108 R)
• M34: 45,961,253 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.1

Radius: 4.1

Gravity: 58.78 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.9 AU - 10.61 AU

Year: 17260 Days

Day: 23.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,928,807 km

• M1: 51,013 km (0.09 R)
• M2: 214,374 km (0.094 R)
• M3: 961,914 km (0.083 R)
• M4: 1,100,891 km (0.066 R)
• M5: 1,238,820 km (0.077 R)
• M6: 1,451,548 km (0.117 R)
• M7: 2,196,097 km (0.051 R)
• M8: 2,370,977 km (0.044 R)
• M9: 3,333,041 km (0.074 R)
• M10: 3,564,618 km (0.079 R)
• M11: 3,806,967 km (0.108 R)
• M12: 4,027,773 km (0.117 R)
• M13: 4,392,193 km (0.086 R)
• M14: 5,301,449 km (0.049 R)
• M15: 7,483,933 km (0.083 R)
• M16: 9,269,383 km (0.047 R)
• M17: 11,449,473 km (0.073 R)
• M18: 11,909,636 km (0.055 R)
• M19: 12,245,932 km (0.083 R)
• M20: 24,430,379 km (0.085 R)
• M21: 30,098,493 km (0.032 R)
• M22: 30,721,868 km (0.093 R)
• M23: 31,481,226 km (0.041 R)
• M24: 35,743,419 km (0.094 R)
• M25: 40,828,400 km (0.079 R)
• M26: 42,209,638 km (0.113 R)
• M27: 46,540,047 km (0.08 R)
• M28: 47,877,751 km (0.104 R)
• M29: 50,105,862 km (0.097 R)
• M30: 53,122,503 km (0.065 R)
• M31: 54,767,631 km (0.036 R)
• M32: 58,159,015 km (0.105 R)
• M33: 60,496,033 km (0.046 R)
• M34: 62,692,578 km (0.119 R)
• M35: 65,148,826 km (0.027 R)
• M36: 73,573,579 km (0.104 R)
• M37: 75,844,924 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 12,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit