🌌 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 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.53 AU - 0.57 AU

Year: 268 Days

Day: 28.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.57 AU - 0.77 AU

Year: 360 Days

Day: 24.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,133,306 km

• M1: 163,810 km (0.12 R)
• M2: 283,338 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 13.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.9 AU - 1.34 AU

Year: 778 Days

Day: 8.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 25,133,306 km

• M1: 184,604 km (0.081 R)
• M2: 346,169 km (0.104 R)
• M3: 499,806 km (0.06 R)
• M4: 585,526 km (0.078 R)
• M5: 682,615 km (0.092 R)
• M6: 791,522 km (0.11 R)
• M7: 930,050 km (0.083 R)
• M8: 1,164,021 km (0.067 R)
• M9: 1,265,897 km (0.109 R)
• M10: 1,597,705 km (0.079 R)
• M11: 1,690,606 km (0.119 R)
• M12: 1,792,781 km (0.082 R)
• M13: 2,003,564 km (0.118 R)
• M14: 2,286,903 km (0.097 R)
• M15: 2,483,175 km (0.106 R)
• M16: 2,617,215 km (0.113 R)
• M17: 2,753,798 km (0.052 R)
• M18: 2,945,582 km (0.107 R)
• M19: 3,168,932 km (0.12 R)
• M20: 3,361,015 km (0.064 R)
• M21: 3,538,139 km (0.101 R)
• M22: 3,824,170 km (0.062 R)
• M23: 3,979,902 km (0.053 R)
• M24: 4,108,107 km (0.066 R)
• M25: 4,217,613 km (0.089 R)
• M26: 4,429,443 km (0.113 R)
• M27: 4,603,575 km (0.092 R)
• M28: 4,853,254 km (0.115 R)
• M29: 5,001,057 km (0.054 R)
• M30: 5,096,799 km (0.074 R)
• M31: 5,214,683 km (0.092 R)
• M32: 5,311,921 km (0.117 R)
• M33: 5,519,114 km (0.105 R)
• M34: 5,806,941 km (0.11 R)
• M35: 5,986,608 km (0.099 R)
• M36: 6,077,114 km (0.086 R)
• M37: 6,248,105 km (0.068 R)
• M38: 6,501,823 km (0.112 R)
• M39: 6,630,028 km (0.113 R)
• M40: 6,877,014 km (0.106 R)
• M41: 7,428,731 km (0.094 R)
• M42: 7,575,038 km (0.078 R)
• M43: 7,783,876 km (0.104 R)
• M44: 8,007,226 km (0.094 R)
• M45: 8,094,591 km (0.111 R)
• M46: 8,447,493 km (0.11 R)
• M47: 8,562,085 km (0.113 R)
• M48: 8,651,544 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.5

Radius: 13.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.51 AU - 4.13 AU

Year: 3968 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 25,133,306 km

• M1: 204,201 km (0.106 R)
• M2: 350,657 km (0.078 R)
• M3: 449,542 km (0.058 R)
• M4: 612,603 km (0.077 R)
• M5: 741,856 km (0.055 R)
• M6: 834,158 km (0.037 R)
• M7: 980,764 km (0.037 R)
• M8: 1,445,863 km (0.117 R)
• M9: 1,626,129 km (0.113 R)
• M10: 1,830,180 km (0.027 R)
• M11: 2,161,240 km (0.11 R)
• M12: 2,511,599 km (0.119 R)
• M13: 2,730,760 km (0.071 R)
• M14: 2,956,353 km (0.119 R)
• M15: 3,110,289 km (0.086 R)
• M16: 3,227,574 km (0.117 R)
• M17: 3,346,205 km (0.091 R)
• M18: 3,608,600 km (0.093 R)
• M19: 3,711,374 km (0.108 R)
• M20: 3,919,913 km (0.073 R)
• M21: 4,458,316 km (0.069 R)
• M22: 4,702,759 km (0.038 R)
• M23: 4,792,817 km (0.048 R)
• M24: 4,951,690 km (0.092 R)
• M25: 5,321,495 km (0.088 R)
• M26: 5,990,497 km (0.117 R)
• M27: 6,335,171 km (0.115 R)
• M28: 6,459,786 km (0.11 R)
• M29: 7,043,816 km (0.063 R)
• M30: 7,407,638 km (0.116 R)
• M31: 7,671,379 km (0.106 R)
• M32: 7,938,261 km (0.107 R)
• M33: 8,099,827 km (0.103 R)
• M34: 8,262,440 km (0.084 R)
• M35: 8,563,581 km (0.113 R)
• M36: 8,896,286 km (0.092 R)
• M37: 9,660,283 km (0.114 R)
• M38: 10,006,751 km (0.049 R)
• M39: 10,298,467 km (0.117 R)
• M40: 10,386,580 km (0.094 R)
• M41: 10,920,495 km (0.034 R)
• M42: 11,768,715 km (0.031 R)
• M43: 11,860,867 km (0.114 R)
• M44: 12,169,787 km (0.054 R)
• M45: 12,262,986 km (0.101 R)
• M46: 12,953,680 km (0.11 R)
• M47: 15,134,517 km (0.09 R)
• M48: 15,234,898 km (0.069 R)
• M49: 15,638,363 km (0.11 R)
• M50: 15,875,326 km (0.061 R)
• M51: 15,977,202 km (0.071 R)
• M52: 16,284,327 km (0.094 R)
• M53: 16,904,410 km (0.087 R)
• M54: 17,778,361 km (0.064 R)
• M55: 18,132,160 km (0.042 R)
• M56: 18,631,368 km (0.096 R)
• M57: 19,171,266 km (0.09 R)
• M58: 19,352,280 km (0.106 R)
• M59: 19,606,895 km (0.072 R)
• M60: 20,009,014 km (0.104 R)
• M61: 20,303,273 km (0.108 R)
• M62: 20,524,977 km (0.086 R)
• M63: 21,082,529 km (0.073 R)
• M64: 21,833,660 km (0.101 R)
• M65: 22,022,901 km (0.087 R)
• M66: 22,441,027 km (0.046 R)
• M67: 22,631,914 km (0.077 R)
• M68: 22,938,440 km (0.073 R)
• M69: 23,362,400 km (0.077 R)
• M70: 23,594,576 km (0.119 R)
• M71: 24,374,430 km (0.091 R)
• M72: 24,649,391 km (0.116 R)
• M73: 25,719,464 km (0.105 R)
• M74: 25,839,292 km (0.093 R)
• M75: 26,159,880 km (0.093 R)
• M76: 26,683,473 km (0.083 R)
• M77: 26,804,797 km (0.027 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.6

Radius: 3.7

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.79 AU - 7.05 AU

Year: 9449 Days

Day: 23.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 25,133,306 km

• M1: 92,152 km (0.113 R)
• M2: 127,906 km (0.093 R)
• M3: 163,510 km (0.056 R)
• M4: 318,195 km (0.082 R)
• M5: 734,675 km (0.039 R)
• M6: 1,011,581 km (0.114 R)
• M7: 1,945,969 km (0.066 R)
• M8: 2,323,704 km (0.056 R)
• M9: 2,443,083 km (0.099 R)
• M10: 2,849,391 km (0.09 R)
• M11: 3,125,698 km (0.088 R)
• M12: 3,163,097 km (0.109 R)
• M13: 3,743,088 km (0.099 R)
• M14: 4,168,245 km (0.05 R)
• M15: 4,250,973 km (0.075 R)
• M16: 4,823,484 km (0.098 R)
• M17: 5,992,442 km (0.114 R)
• M18: 7,169,328 km (0.118 R)
• M19: 7,720,297 km (0.12 R)
• M20: 8,155,328 km (0.114 R)
• M21: 8,284,880 km (0.04 R)
• M22: 8,362,820 km (0.118 R)
• M23: 11,098,816 km (0.098 R)
• M24: 11,184,834 km (0.09 R)
• M25: 11,880,913 km (0.087 R)
• M26: 11,968,877 km (0.104 R)
• M27: 12,560,985 km (0.097 R)
• M28: 13,132,299 km (0.062 R)
• M29: 13,344,878 km (0.108 R)
• M30: 13,773,626 km (0.102 R)
• M31: 15,532,747 km (0.11 R)
• M32: 15,661,102 km (0.107 R)
• M33: 15,693,265 km (0.027 R)
• M34: 15,757,593 km (0.099 R)
• M35: 19,567,401 km (0.028 R)
• M36: 20,193,618 km (0.074 R)
• M37: 20,474,114 km (0.118 R)
• M38: 21,394,590 km (0.08 R)
• M39: 22,909,717 km (0.051 R)
• M40: 23,312,135 km (0.107 R)
• M41: 24,384,453 km (0.118 R)
• M42: 24,645,651 km (0.06 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: 505 - 12,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit