🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.61 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 8

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.48 AU - 3.94 AU

Year: 3970 Days

Day: 14.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,007,481 km

• M1: 99,483 km (0.075 R)
• M2: 349,161 km (0.119 R)
• M3: 831,465 km (0.082 R)
• M4: 1,080,695 km (0.067 R)
• M5: 1,411,606 km (0.1 R)
• M6: 2,015,831 km (0.087 R)
• M7: 3,130,335 km (0.113 R)
• M8: 3,469,025 km (0.095 R)
• M9: 3,749,072 km (0.104 R)
• M10: 4,087,762 km (0.095 R)
• M11: 5,384,027 km (0.095 R)
• M12: 7,413,771 km (0.053 R)
• M13: 8,225,639 km (0.083 R)
• M14: 9,985,658 km (0.114 R)
• M15: 10,596,616 km (0.066 R)
• M16: 11,362,257 km (0.097 R)
• M17: 14,131,464 km (0.052 R)
• M18: 14,745,264 km (0.055 R)
• M19: 15,323,310 km (0.067 R)
• M20: 17,611,559 km (0.091 R)
• M21: 19,423,937 km (0.098 R)
• M22: 20,054,791 km (0.065 R)
• M23: 21,092,253 km (0.049 R)
• M24: 22,439,082 km (0.098 R)
• M25: 23,913,818 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.7

Radius: 10.2

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.08 AU - 4.84 AU

Year: 5439 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,007,481 km

• M1: 128,654 km (0.12 R)
• M2: 634,744 km (0.063 R)
• M3: 1,290,132 km (0.096 R)
• M4: 2,140,147 km (0.094 R)
• M5: 2,472,254 km (0.112 R)
• M6: 2,897,262 km (0.064 R)
• M7: 5,707,159 km (0.106 R)
• M8: 6,088,933 km (0.081 R)
• M9: 7,046,658 km (0.112 R)
• M10: 7,599,422 km (0.054 R)
• M11: 8,023,083 km (0.043 R)
• M12: 8,959,865 km (0.103 R)
• M13: 10,059,110 km (0.087 R)
• M14: 10,429,216 km (0.067 R)
• M15: 12,844,473 km (0.053 R)
• M16: 14,530,591 km (0.089 R)
• M17: 15,305,209 km (0.099 R)
• M18: 15,672,023 km (0.063 R)
• M19: 16,296,145 km (0.078 R)
• M20: 18,820,459 km (0.107 R)
• M21: 21,215,072 km (0.043 R)
• M22: 21,824,684 km (0.039 R)
• M23: 25,134,686 km (0.114 R)
• M24: 25,474,573 km (0.054 R)
• M25: 26,250,537 km (0.113 R)
• M26: 27,849,439 km (0.075 R)
• M27: 28,396,668 km (0.098 R)
• M28: 29,230,826 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.4

Radius: 9.5

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.9 AU - 6.02 AU

Year: 8806 Days

Day: 6.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,007,481 km

• M1: 126,111 km (0.115 R)
• M2: 555,307 km (0.11 R)
• M3: 1,187,657 km (0.107 R)
• M4: 1,642,585 km (0.069 R)
• M5: 2,281,966 km (0.096 R)
• M6: 3,145,744 km (0.1 R)
• M7: 10,235,786 km (0.112 R)
• M8: 11,921,903 km (0.099 R)
• M9: 13,724,408 km (0.088 R)
• M10: 27,027,548 km (0.055 R)
• M11: 27,413,361 km (0.062 R)
• M12: 27,900,751 km (0.119 R)
• M13: 33,984,896 km (0.067 R)
• M14: 34,434,438 km (0.086 R)
• M15: 37,334,542 km (0.116 R)
• M16: 37,693,128 km (0.109 R)
• M17: 40,771,553 km (0.092 R)
• M18: 41,791,063 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.8

Radius: 7.4

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.28 AU - 8.58 AU

Year: 12592 Days

Day: 22.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,007,481 km

• M1: 92,003 km (0.06 R)
• M2: 544,387 km (0.113 R)
• M3: 871,856 km (0.087 R)
• M4: 1,390,662 km (0.115 R)
• M5: 1,632,711 km (0.113 R)
• M6: 2,439,941 km (0.113 R)
• M7: 2,733,901 km (0.106 R)
• M8: 3,586,160 km (0.115 R)
• M9: 4,347,613 km (0.115 R)
• M10: 5,024,544 km (0.113 R)
• M11: 6,964,678 km (0.096 R)
• M12: 10,480,827 km (0.11 R)
• M13: 10,944,431 km (0.117 R)
• M14: 13,833,764 km (0.046 R)
• M15: 14,580,856 km (0.062 R)
• M16: 15,223,827 km (0.056 R)
• M17: 16,223,440 km (0.069 R)
• M18: 17,266,137 km (0.073 R)
• M19: 18,950,609 km (0.067 R)
• M20: 22,558,013 km (0.119 R)
• M21: 27,654,513 km (0.078 R)
• M22: 29,748,285 km (0.1 R)
• M23: 32,375,971 km (0.099 R)
• M24: 37,131,987 km (0.078 R)
• M25: 38,329,368 km (0.112 R)
• M26: 40,048,547 km (0.098 R)
• M27: 42,075,598 km (0.109 R)
• M28: 44,436,552 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.7

Radius: 5.5

Gravity: 20.98 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.76 AU - 7.72 AU

Year: 13447 Days

Day: 20 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,007,481 km

• M1: 93,349 km (0.111 R)
• M2: 288,425 km (0.056 R)
• M3: 490,083 km (0.09 R)
• M4: 787,633 km (0.095 R)
• M5: 1,238,072 km (0.076 R)
• M6: 1,984,565 km (0.041 R)
• M7: 3,364,157 km (0.093 R)
• M8: 4,073,999 km (0.1 R)
• M9: 4,433,333 km (0.071 R)
• M10: 4,684,508 km (0.117 R)
• M11: 6,239,578 km (0.086 R)
• M12: 7,006,865 km (0.114 R)
• M13: 8,249,425 km (0.115 R)
• M14: 8,438,217 km (0.043 R)
• M15: 11,220,139 km (0.084 R)
• M16: 12,289,166 km (0.065 R)
• M17: 13,166,258 km (0.1 R)
• M18: 14,286,447 km (0.112 R)
• M19: 14,490,499 km (0.064 R)
• M20: 15,468,719 km (0.114 R)
• M21: 19,405,088 km (0.096 R)
• M22: 28,638,867 km (0.1 R)
• M23: 31,880,952 km (0.059 R)
• M24: 32,113,128 km (0.117 R)
• M25: 40,153,864 km (0.033 R)
• M26: 40,424,636 km (0.064 R)
• M27: 41,244,582 km (0.108 R)
• M28: 43,913,857 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500

Radius: 3

Gravity: 55.56 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.32 AU - 11.96 AU

Year: 20660 Days

Day: 23.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,007,481 km

• M1: 37,399 km (0.059 R)
• M2: 3,610,395 km (0.068 R)
• M3: 4,895,142 km (0.085 R)
• M4: 6,244,814 km (0.025 R)
• M5: 6,671,766 km (0.101 R)
• M6: 8,370,450 km (0.04 R)
• M7: 8,995,170 km (0.118 R)
• M8: 10,632,220 km (0.04 R)
• M9: 10,933,061 km (0.043 R)
• M10: 17,449,993 km (0.069 R)
• M11: 19,971,166 km (0.088 R)
• M12: 20,429,085 km (0.101 R)
• M13: 24,140,010 km (0.112 R)
• M14: 24,869,300 km (0.082 R)
• M15: 29,555,902 km (0.099 R)
• M16: 34,273,919 km (0.109 R)
• M17: 38,757,966 km (0.048 R)
• M18: 39,469,753 km (0.035 R)
• M19: 45,637,822 km (0.106 R)
• M20: 56,136,900 km (0.054 R)
• M21: 58,339,130 km (0.067 R)
• M22: 63,306,528 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 14,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit